http://git-wip-us.apache.org/repos/asf/hadoop/blob/99603e90/hadoop-common-project/hadoop-common/dev-support/jdiff/Apache_Hadoop_Common_2.7.2.xml ---------------------------------------------------------------------- diff --git a/hadoop-common-project/hadoop-common/dev-support/jdiff/Apache_Hadoop_Common_2.7.2.xml b/hadoop-common-project/hadoop-common/dev-support/jdiff/Apache_Hadoop_Common_2.7.2.xml new file mode 100644 index 0000000..5ef99b2 --- /dev/null +++ b/hadoop-common-project/hadoop-common/dev-support/jdiff/Apache_Hadoop_Common_2.7.2.xml @@ -0,0 +1,46648 @@ +<?xml version="1.0" encoding="iso-8859-1" standalone="no"?> +<!-- Generated by the JDiff Javadoc doclet --> +<!-- (http://www.jdiff.org) --> +<!-- on Thu Aug 18 16:00:16 PDT 2016 --> + +<api + xmlns:xsi='http://www.w3.org/2001/XMLSchema-instance' + xsi:noNamespaceSchemaLocation='api.xsd' + name="Apache Hadoop Common 2.7.2" + jdversion="1.0.9"> + +<!-- Command line arguments = -doclet 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ommon/target/hadoop-annotations.jar:/Users/wtan/project/github/hadoop-common-trunk/hadoop-common-project/hadoop-common/target/jdiff.jar -apidir /Users/wtan/project/github/hadoop-common-trunk/hadoop-common-project/hadoop-common/target/site/jdiff/xml -apiname Apache Hadoop Common 2.7.2 --> +<package name="org.apache.hadoop"> + <!-- start class org.apache.hadoop.HadoopIllegalArgumentException --> + <class name="HadoopIllegalArgumentException" extends="java.lang.IllegalArgumentException" + abstract="false" + static="false" final="false" visibility="public" + deprecated="not deprecated"> + <constructor name="HadoopIllegalArgumentException" type="java.lang.String" + static="false" final="false" visibility="public" + deprecated="not deprecated"> + <doc> + <![CDATA[Constructs exception with the specified detail message. + @param message detailed message.]]> + </doc> + </constructor> + <doc> + <![CDATA[Indicates that a method has been passed illegal or invalid argument. This + exception is thrown instead of IllegalArgumentException to differentiate the + exception thrown in Hadoop implementation from the one thrown in JDK.]]> + </doc> + </class> + <!-- end class org.apache.hadoop.HadoopIllegalArgumentException --> +</package> +<package name="org.apache.hadoop.conf"> + <!-- start interface org.apache.hadoop.conf.Configurable --> + <interface name="Configurable" abstract="true" + static="false" final="false" visibility="public" + deprecated="not deprecated"> + <method name="setConf" + abstract="true" native="false" synchronized="false" + static="false" final="false" visibility="public" + deprecated="not deprecated"> + <param name="conf" type="org.apache.hadoop.conf.Configuration"/> + <doc> + <![CDATA[Set the configuration to be used by this object.]]> + </doc> + </method> + <method name="getConf" return="org.apache.hadoop.conf.Configuration" + abstract="true" native="false" synchronized="false" + static="false" final="false" visibility="public" + deprecated="not deprecated"> + <doc> + <![CDATA[Return the configuration used by this object.]]> + </doc> + </method> + <doc> + <![CDATA[Something that may be configured with a {@link Configuration}.]]> + </doc> + </interface> + <!-- end interface org.apache.hadoop.conf.Configurable --> + <!-- start class org.apache.hadoop.conf.Configuration --> + <class name="Configuration" extends="java.lang.Object" + abstract="false" + static="false" final="false" visibility="public" + deprecated="not deprecated"> + <implements name="java.lang.Iterable"/> + <implements name="org.apache.hadoop.io.Writable"/> + <constructor name="Configuration" + static="false" final="false" visibility="public" + deprecated="not deprecated"> + <doc> + <![CDATA[A new configuration.]]> + </doc> + </constructor> + <constructor name="Configuration" type="boolean" + static="false" final="false" visibility="public" + deprecated="not deprecated"> + <doc> + <![CDATA[A new configuration where the behavior of reading from the default + resources can be turned off. + + If the parameter {@code loadDefaults} is false, the new instance + will not load resources from the default files. + @param loadDefaults specifies whether to load from the default files]]> + </doc> + </constructor> + <constructor name="Configuration" type="org.apache.hadoop.conf.Configuration" + static="false" final="false" visibility="public" + deprecated="not deprecated"> + <doc> + <![CDATA[A new configuration with the same settings cloned from another. + + @param other the configuration from which to clone settings.]]> + </doc> + </constructor> + <method name="addDeprecations" + abstract="false" native="false" synchronized="false" + static="true" final="false" visibility="public" + deprecated="not deprecated"> + <param name="deltas" type="org.apache.hadoop.conf.Configuration.DeprecationDelta[]"/> + <doc> + <![CDATA[Adds a set of deprecated keys to the global deprecations. + + This method is lockless. It works by means of creating a new + DeprecationContext based on the old one, and then atomically swapping in + the new context. If someone else updated the context in between us reading + the old context and swapping in the new one, we try again until we win the + race. + + @param deltas The deprecations to add.]]> + </doc> + </method> + <method name="addDeprecation" + abstract="false" native="false" synchronized="false" + static="true" final="false" visibility="public" + deprecated="use {@link #addDeprecation(String key, String newKey, + String customMessage)} instead"> + <param name="key" type="java.lang.String"/> + <param name="newKeys" type="java.lang.String[]"/> + <param name="customMessage" type="java.lang.String"/> + <doc> + <![CDATA[Adds the deprecated key to the global deprecation map. + It does not override any existing entries in the deprecation map. + This is to be used only by the developers in order to add deprecation of + keys, and attempts to call this method after loading resources once, + would lead to <tt>UnsupportedOperationException</tt> + + If a key is deprecated in favor of multiple keys, they are all treated as + aliases of each other, and setting any one of them resets all the others + to the new value. + + If you have multiple deprecation entries to add, it is more efficient to + use #addDeprecations(DeprecationDelta[] deltas) instead. + + @param key + @param newKeys + @param customMessage + @deprecated use {@link #addDeprecation(String key, String newKey, + String customMessage)} instead]]> + </doc> + </method> + <method name="addDeprecation" + abstract="false" native="false" synchronized="false" + static="true" final="false" visibility="public" + deprecated="not deprecated"> + <param name="key" type="java.lang.String"/> + <param name="newKey" type="java.lang.String"/> + <param name="customMessage" type="java.lang.String"/> + <doc> + <![CDATA[Adds the deprecated key to the global deprecation map. + It does not override any existing entries in the deprecation map. + This is to be used only by the developers in order to add deprecation of + keys, and attempts to call this method after loading resources once, + would lead to <tt>UnsupportedOperationException</tt> + + If you have multiple deprecation entries to add, it is more efficient to + use #addDeprecations(DeprecationDelta[] deltas) instead. + + @param key + @param newKey + @param customMessage]]> + </doc> + </method> + <method name="addDeprecation" + abstract="false" native="false" synchronized="false" + static="true" final="false" visibility="public" + deprecated="use {@link #addDeprecation(String key, String newKey)} instead"> + <param name="key" type="java.lang.String"/> + <param name="newKeys" type="java.lang.String[]"/> + <doc> + <![CDATA[Adds the deprecated key to the global deprecation map when no custom + message is provided. + It does not override any existing entries in the deprecation map. + This is to be used only by the developers in order to add deprecation of + keys, and attempts to call this method after loading resources once, + would lead to <tt>UnsupportedOperationException</tt> + + If a key is deprecated in favor of multiple keys, they are all treated as + aliases of each other, and setting any one of them resets all the others + to the new value. + + If you have multiple deprecation entries to add, it is more efficient to + use #addDeprecations(DeprecationDelta[] deltas) instead. + + @param key Key that is to be deprecated + @param newKeys list of keys that take up the values of deprecated key + @deprecated use {@link #addDeprecation(String key, String newKey)} instead]]> + </doc> + </method> + <method name="addDeprecation" + abstract="false" native="false" synchronized="false" + static="true" final="false" visibility="public" + deprecated="not deprecated"> + <param name="key" type="java.lang.String"/> + <param name="newKey" type="java.lang.String"/> + <doc> + <![CDATA[Adds the deprecated key to the global deprecation map when no custom + message is provided. + It does not override any existing entries in the deprecation map. + This is to be used only by the developers in order to add deprecation of + keys, and attempts to call this method after loading resources once, + would lead to <tt>UnsupportedOperationException</tt> + + If you have multiple deprecation entries to add, it is more efficient to + use #addDeprecations(DeprecationDelta[] deltas) instead. + + @param key Key that is to be deprecated + @param newKey key that takes up the value of deprecated key]]> + </doc> + </method> + <method name="isDeprecated" return="boolean" + abstract="false" native="false" synchronized="false" + static="true" final="false" visibility="public" + deprecated="not deprecated"> + <param name="key" type="java.lang.String"/> + <doc> + <![CDATA[checks whether the given <code>key</code> is deprecated. + + @param key the parameter which is to be checked for deprecation + @return <code>true</code> if the key is deprecated and + <code>false</code> otherwise.]]> + </doc> + </method> + <method name="setDeprecatedProperties" + abstract="false" native="false" synchronized="false" + static="false" final="false" visibility="public" + deprecated="not deprecated"> + <doc> + <![CDATA[Sets all deprecated properties that are not currently set but have a + corresponding new property that is set. Useful for iterating the + properties when all deprecated properties for currently set properties + need to be present.]]> + </doc> + </method> + <method name="addDefaultResource" + abstract="false" native="false" synchronized="true" + static="true" final="false" visibility="public" + deprecated="not deprecated"> + <param name="name" type="java.lang.String"/> + <doc> + <![CDATA[Add a default resource. Resources are loaded in the order of the resources + added. + @param name file name. File should be present in the classpath.]]> + </doc> + </method> + <method name="addResource" + abstract="false" native="false" synchronized="false" + static="false" final="false" visibility="public" + deprecated="not deprecated"> + <param name="name" type="java.lang.String"/> + <doc> + <![CDATA[Add a configuration resource. + + The properties of this resource will override properties of previously + added resources, unless they were marked <a href="#Final">final</a>. + + @param name resource to be added, the classpath is examined for a file + with that name.]]> + </doc> + </method> + <method name="addResource" + abstract="false" native="false" synchronized="false" + static="false" final="false" visibility="public" + deprecated="not deprecated"> + <param name="url" type="java.net.URL"/> + <doc> + <![CDATA[Add a configuration resource. + + The properties of this resource will override properties of previously + added resources, unless they were marked <a href="#Final">final</a>. + + @param url url of the resource to be added, the local filesystem is + examined directly to find the resource, without referring to + the classpath.]]> + </doc> + </method> + <method name="addResource" + abstract="false" native="false" synchronized="false" + static="false" final="false" visibility="public" + deprecated="not deprecated"> + <param name="file" type="org.apache.hadoop.fs.Path"/> + <doc> + <![CDATA[Add a configuration resource. + + The properties of this resource will override properties of previously + added resources, unless they were marked <a href="#Final">final</a>. + + @param file file-path of resource to be added, the local filesystem is + examined directly to find the resource, without referring to + the classpath.]]> + </doc> + </method> + <method name="addResource" + abstract="false" native="false" synchronized="false" + static="false" final="false" visibility="public" + deprecated="not deprecated"> + <param name="in" type="java.io.InputStream"/> + <doc> + <![CDATA[Add a configuration resource. + + The properties of this resource will override properties of previously + added resources, unless they were marked <a href="#Final">final</a>. + + WARNING: The contents of the InputStream will be cached, by this method. + So use this sparingly because it does increase the memory consumption. + + @param in InputStream to deserialize the object from. In will be read from + when a get or set is called next. After it is read the stream will be + closed.]]> + </doc> + </method> + <method name="addResource" + abstract="false" native="false" synchronized="false" + static="false" final="false" visibility="public" + deprecated="not deprecated"> + <param name="in" type="java.io.InputStream"/> + <param name="name" type="java.lang.String"/> + <doc> + <![CDATA[Add a configuration resource. + + The properties of this resource will override properties of previously + added resources, unless they were marked <a href="#Final">final</a>. + + @param in InputStream to deserialize the object from. + @param name the name of the resource because InputStream.toString is not + very descriptive some times.]]> + </doc> + </method> + <method name="addResource" + abstract="false" native="false" synchronized="false" + static="false" final="false" visibility="public" + deprecated="not deprecated"> + <param name="conf" type="org.apache.hadoop.conf.Configuration"/> + <doc> + <![CDATA[Add a configuration resource. + + The properties of this resource will override properties of previously + added resources, unless they were marked <a href="#Final">final</a>. + + @param conf Configuration object from which to load properties]]> + </doc> + </method> + <method name="reloadConfiguration" + abstract="false" native="false" synchronized="true" + static="false" final="false" visibility="public" + deprecated="not deprecated"> + <doc> + <![CDATA[Reload configuration from previously added resources. + + This method will clear all the configuration read from the added + resources, and final parameters. This will make the resources to + be read again before accessing the values. Values that are added + via set methods will overlay values read from the resources.]]> + </doc> + </method> + <method name="get" return="java.lang.String" + abstract="false" native="false" synchronized="false" + static="false" final="false" visibility="public" + deprecated="not deprecated"> + <param name="name" type="java.lang.String"/> + <doc> + <![CDATA[Get the value of the <code>name</code> property, <code>null</code> if + no such property exists. If the key is deprecated, it returns the value of + the first key which replaces the deprecated key and is not null. + + Values are processed for <a href="#VariableExpansion">variable expansion</a> + before being returned. + + @param name the property name, will be trimmed before get value. + @return the value of the <code>name</code> or its replacing property, + or null if no such property exists.]]> + </doc> + </method> + <method name="setAllowNullValueProperties" + abstract="false" native="false" synchronized="false" + static="false" final="false" visibility="public" + deprecated="not deprecated"> + <param name="val" type="boolean"/> + <doc> + <![CDATA[Set Configuration to allow keys without values during setup. Intended + for use during testing. + + @param val If true, will allow Configuration to store keys without values]]> + </doc> + </method> + <method name="onlyKeyExists" return="boolean" + abstract="false" native="false" synchronized="false" + static="false" final="false" visibility="public" + deprecated="not deprecated"> + <param name="name" type="java.lang.String"/> + <doc> + <![CDATA[Return existence of the <code>name</code> property, but only for + names which have no valid value, usually non-existent or commented + out in XML. + + @param name the property name + @return true if the property <code>name</code> exists without value]]> + </doc> + </method> + <method name="getTrimmed" return="java.lang.String" + abstract="false" native="false" synchronized="false" + static="false" final="false" visibility="public" + deprecated="not deprecated"> + <param name="name" type="java.lang.String"/> + <doc> + <![CDATA[Get the value of the <code>name</code> property as a trimmed <code>String</code>, + <code>null</code> if no such property exists. + If the key is deprecated, it returns the value of + the first key which replaces the deprecated key and is not null + + Values are processed for <a href="#VariableExpansion">variable expansion</a> + before being returned. + + @param name the property name. + @return the value of the <code>name</code> or its replacing property, + or null if no such property exists.]]> + </doc> + </method> + <method name="getTrimmed" return="java.lang.String" + abstract="false" native="false" synchronized="false" + static="false" final="false" visibility="public" + deprecated="not deprecated"> + <param name="name" type="java.lang.String"/> + <param name="defaultValue" type="java.lang.String"/> + <doc> + <![CDATA[Get the value of the <code>name</code> property as a trimmed <code>String</code>, + <code>defaultValue</code> if no such property exists. + See @{Configuration#getTrimmed} for more details. + + @param name the property name. + @param defaultValue the property default value. + @return the value of the <code>name</code> or defaultValue + if it is not set.]]> + </doc> + </method> + <method name="getRaw" return="java.lang.String" + abstract="false" native="false" synchronized="false" + static="false" final="false" visibility="public" + deprecated="not deprecated"> + <param name="name" type="java.lang.String"/> + <doc> + <![CDATA[Get the value of the <code>name</code> property, without doing + <a href="#VariableExpansion">variable expansion</a>.If the key is + deprecated, it returns the value of the first key which replaces + the deprecated key and is not null. + + @param name the property name. + @return the value of the <code>name</code> property or + its replacing property and null if no such property exists.]]> + </doc> + </method> + <method name="set" + abstract="false" native="false" synchronized="false" + static="false" final="false" visibility="public" + deprecated="not deprecated"> + <param name="name" type="java.lang.String"/> + <param name="value" type="java.lang.String"/> + <doc> + <![CDATA[Set the <code>value</code> of the <code>name</code> property. If + <code>name</code> is deprecated or there is a deprecated name associated to it, + it sets the value to both names. Name will be trimmed before put into + configuration. + + @param name property name. + @param value property value.]]> + </doc> + </method> + <method name="set" + abstract="false" native="false" synchronized="false" + static="false" final="false" visibility="public" + deprecated="not deprecated"> + <param name="name" type="java.lang.String"/> + <param name="value" type="java.lang.String"/> + <param name="source" type="java.lang.String"/> + <doc> + <![CDATA[Set the <code>value</code> of the <code>name</code> property. If + <code>name</code> is deprecated, it also sets the <code>value</code> to + the keys that replace the deprecated key. Name will be trimmed before put + into configuration. + + @param name property name. + @param value property value. + @param source the place that this configuration value came from + (For debugging). + @throws IllegalArgumentException when the value or name is null.]]> + </doc> + </method> + <method name="unset" + abstract="false" native="false" synchronized="true" + static="false" final="false" visibility="public" + deprecated="not deprecated"> + <param name="name" type="java.lang.String"/> + <doc> + <![CDATA[Unset a previously set property.]]> + </doc> + </method> + <method name="setIfUnset" + abstract="false" native="false" synchronized="true" + static="false" final="false" visibility="public" + deprecated="not deprecated"> + <param name="name" type="java.lang.String"/> + <param name="value" type="java.lang.String"/> + <doc> + <![CDATA[Sets a property if it is currently unset. + @param name the property name + @param value the new value]]> + </doc> + </method> + <method name="get" return="java.lang.String" + abstract="false" native="false" synchronized="false" + static="false" final="false" visibility="public" + deprecated="not deprecated"> + <param name="name" type="java.lang.String"/> + <param name="defaultValue" type="java.lang.String"/> + <doc> + <![CDATA[Get the value of the <code>name</code>. If the key is deprecated, + it returns the value of the first key which replaces the deprecated key + and is not null. + If no such property exists, + then <code>defaultValue</code> is returned. + + @param name property name, will be trimmed before get value. + @param defaultValue default value. + @return property value, or <code>defaultValue</code> if the property + doesn't exist.]]> + </doc> + </method> + <method name="getInt" return="int" + abstract="false" native="false" synchronized="false" + static="false" final="false" visibility="public" + deprecated="not deprecated"> + <param name="name" type="java.lang.String"/> + <param name="defaultValue" type="int"/> + <doc> + <![CDATA[Get the value of the <code>name</code> property as an <code>int</code>. + + If no such property exists, the provided default value is returned, + or if the specified value is not a valid <code>int</code>, + then an error is thrown. + + @param name property name. + @param defaultValue default value. + @throws NumberFormatException when the value is invalid + @return property value as an <code>int</code>, + or <code>defaultValue</code>.]]> + </doc> + </method> + <method name="getInts" return="int[]" + abstract="false" native="false" synchronized="false" + static="false" final="false" visibility="public" + deprecated="not deprecated"> + <param name="name" type="java.lang.String"/> + <doc> + <![CDATA[Get the value of the <code>name</code> property as a set of comma-delimited + <code>int</code> values. + + If no such property exists, an empty array is returned. + + @param name property name + @return property value interpreted as an array of comma-delimited + <code>int</code> values]]> + </doc> + </method> + <method name="setInt" + abstract="false" native="false" synchronized="false" + static="false" final="false" visibility="public" + deprecated="not deprecated"> + <param name="name" type="java.lang.String"/> + <param name="value" type="int"/> + <doc> + <![CDATA[Set the value of the <code>name</code> property to an <code>int</code>. + + @param name property name. + @param value <code>int</code> value of the property.]]> + </doc> + </method> + <method name="getLong" return="long" + abstract="false" native="false" synchronized="false" + static="false" final="false" visibility="public" + deprecated="not deprecated"> + <param name="name" type="java.lang.String"/> + <param name="defaultValue" type="long"/> + <doc> + <![CDATA[Get the value of the <code>name</code> property as a <code>long</code>. + If no such property exists, the provided default value is returned, + or if the specified value is not a valid <code>long</code>, + then an error is thrown. + + @param name property name. + @param defaultValue default value. + @throws NumberFormatException when the value is invalid + @return property value as a <code>long</code>, + or <code>defaultValue</code>.]]> + </doc> + </method> + <method name="getLongBytes" return="long" + abstract="false" native="false" synchronized="false" + static="false" final="false" visibility="public" + deprecated="not deprecated"> + <param name="name" type="java.lang.String"/> + <param name="defaultValue" type="long"/> + <doc> + <![CDATA[Get the value of the <code>name</code> property as a <code>long</code> or + human readable format. If no such property exists, the provided default + value is returned, or if the specified value is not a valid + <code>long</code> or human readable format, then an error is thrown. You + can use the following suffix (case insensitive): k(kilo), m(mega), g(giga), + t(tera), p(peta), e(exa) + + @param name property name. + @param defaultValue default value. + @throws NumberFormatException when the value is invalid + @return property value as a <code>long</code>, + or <code>defaultValue</code>.]]> + </doc> + </method> + <method name="setLong" + abstract="false" native="false" synchronized="false" + static="false" final="false" visibility="public" + deprecated="not deprecated"> + <param name="name" type="java.lang.String"/> + <param name="value" type="long"/> + <doc> + <![CDATA[Set the value of the <code>name</code> property to a <code>long</code>. + + @param name property name. + @param value <code>long</code> value of the property.]]> + </doc> + </method> + <method name="getFloat" return="float" + abstract="false" native="false" synchronized="false" + static="false" final="false" visibility="public" + deprecated="not deprecated"> + <param name="name" type="java.lang.String"/> + <param name="defaultValue" type="float"/> + <doc> + <![CDATA[Get the value of the <code>name</code> property as a <code>float</code>. + If no such property exists, the provided default value is returned, + or if the specified value is not a valid <code>float</code>, + then an error is thrown. + + @param name property name. + @param defaultValue default value. + @throws NumberFormatException when the value is invalid + @return property value as a <code>float</code>, + or <code>defaultValue</code>.]]> + </doc> + </method> + <method name="setFloat" + abstract="false" native="false" synchronized="false" + static="false" final="false" visibility="public" + deprecated="not deprecated"> + <param name="name" type="java.lang.String"/> + <param name="value" type="float"/> + <doc> + <![CDATA[Set the value of the <code>name</code> property to a <code>float</code>. + + @param name property name. + @param value property value.]]> + </doc> + </method> + <method name="getDouble" return="double" + abstract="false" native="false" synchronized="false" + static="false" final="false" visibility="public" + deprecated="not deprecated"> + <param name="name" type="java.lang.String"/> + <param name="defaultValue" type="double"/> + <doc> + <![CDATA[Get the value of the <code>name</code> property as a <code>double</code>. + If no such property exists, the provided default value is returned, + or if the specified value is not a valid <code>double</code>, + then an error is thrown. + + @param name property name. + @param defaultValue default value. + @throws NumberFormatException when the value is invalid + @return property value as a <code>double</code>, + or <code>defaultValue</code>.]]> + </doc> + </method> + <method name="setDouble" + abstract="false" native="false" synchronized="false" + static="false" final="false" visibility="public" + deprecated="not deprecated"> + <param name="name" type="java.lang.String"/> + <param name="value" type="double"/> + <doc> + <![CDATA[Set the value of the <code>name</code> property to a <code>double</code>. + + @param name property name. + @param value property value.]]> + </doc> + </method> + <method name="getBoolean" return="boolean" + abstract="false" native="false" synchronized="false" + static="false" final="false" visibility="public" + deprecated="not deprecated"> + <param name="name" type="java.lang.String"/> + <param name="defaultValue" type="boolean"/> + <doc> + <![CDATA[Get the value of the <code>name</code> property as a <code>boolean</code>. + If no such property is specified, or if the specified value is not a valid + <code>boolean</code>, then <code>defaultValue</code> is returned. + + @param name property name. + @param defaultValue default value. + @return property value as a <code>boolean</code>, + or <code>defaultValue</code>.]]> + </doc> + </method> + <method name="setBoolean" + abstract="false" native="false" synchronized="false" + static="false" final="false" visibility="public" + deprecated="not deprecated"> + <param name="name" type="java.lang.String"/> + <param name="value" type="boolean"/> + <doc> + <![CDATA[Set the value of the <code>name</code> property to a <code>boolean</code>. + + @param name property name. + @param value <code>boolean</code> value of the property.]]> + </doc> + </method> + <method name="setBooleanIfUnset" + abstract="false" native="false" synchronized="false" + static="false" final="false" visibility="public" + deprecated="not deprecated"> + <param name="name" type="java.lang.String"/> + <param name="value" type="boolean"/> + <doc> + <![CDATA[Set the given property, if it is currently unset. + @param name property name + @param value new value]]> + </doc> + </method> + <method name="setEnum" + abstract="false" native="false" synchronized="false" + static="false" final="false" visibility="public" + deprecated="not deprecated"> + <param name="name" type="java.lang.String"/> + <param name="value" type="T"/> + <doc> + <![CDATA[Set the value of the <code>name</code> property to the given type. This + is equivalent to <code>set(<name>, value.toString())</code>. + @param name property name + @param value new value]]> + </doc> + </method> + <method name="getEnum" return="T" + abstract="false" native="false" synchronized="false" + static="false" final="false" visibility="public" + deprecated="not deprecated"> + <param name="name" type="java.lang.String"/> + <param name="defaultValue" type="T"/> + <doc> + <![CDATA[Return value matching this enumerated type. + Note that the returned value is trimmed by this method. + @param name Property name + @param defaultValue Value returned if no mapping exists + @throws IllegalArgumentException If mapping is illegal for the type + provided]]> + </doc> + </method> + <method name="setTimeDuration" + abstract="false" native="false" synchronized="false" + static="false" final="false" visibility="public" + deprecated="not deprecated"> + <param name="name" type="java.lang.String"/> + <param name="value" type="long"/> + <param name="unit" type="java.util.concurrent.TimeUnit"/> + <doc> + <![CDATA[Set the value of <code>name</code> to the given time duration. This + is equivalent to <code>set(<name>, value + <time suffix>)</code>. + @param name Property name + @param value Time duration + @param unit Unit of time]]> + </doc> + </method> + <method name="getTimeDuration" return="long" + abstract="false" native="false" synchronized="false" + static="false" final="false" visibility="public" + deprecated="not deprecated"> + <param name="name" type="java.lang.String"/> + <param name="defaultValue" type="long"/> + <param name="unit" type="java.util.concurrent.TimeUnit"/> + <doc> + <![CDATA[Return time duration in the given time unit. Valid units are encoded in + properties as suffixes: nanoseconds (ns), microseconds (us), milliseconds + (ms), seconds (s), minutes (m), hours (h), and days (d). + @param name Property name + @param defaultValue Value returned if no mapping exists. + @param unit Unit to convert the stored property, if it exists. + @throws NumberFormatException If the property stripped of its unit is not + a number]]> + </doc> + </method> + <method name="getPattern" return="java.util.regex.Pattern" + abstract="false" native="false" synchronized="false" + static="false" final="false" visibility="public" + deprecated="not deprecated"> + <param name="name" type="java.lang.String"/> + <param name="defaultValue" type="java.util.regex.Pattern"/> + <doc> + <![CDATA[Get the value of the <code>name</code> property as a <code>Pattern</code>. + If no such property is specified, or if the specified value is not a valid + <code>Pattern</code>, then <code>DefaultValue</code> is returned. + Note that the returned value is NOT trimmed by this method. + + @param name property name + @param defaultValue default value + @return property value as a compiled Pattern, or defaultValue]]> + </doc> + </method> + <method name="setPattern" + abstract="false" native="false" synchronized="false" + static="false" final="false" visibility="public" + deprecated="not deprecated"> + <param name="name" type="java.lang.String"/> + <param name="pattern" type="java.util.regex.Pattern"/> + <doc> + <![CDATA[Set the given property to <code>Pattern</code>. + If the pattern is passed as null, sets the empty pattern which results in + further calls to getPattern(...) returning the default value. + + @param name property name + @param pattern new value]]> + </doc> + </method> + <method name="getPropertySources" return="java.lang.String[]" + abstract="false" native="false" synchronized="true" + static="false" final="false" visibility="public" + deprecated="not deprecated"> + <param name="name" type="java.lang.String"/> + <doc> + <![CDATA[Gets information about why a property was set. Typically this is the + path to the resource objects (file, URL, etc.) the property came from, but + it can also indicate that it was set programatically, or because of the + command line. + + @param name - The property name to get the source of. + @return null - If the property or its source wasn't found. Otherwise, + returns a list of the sources of the resource. The older sources are + the first ones in the list. So for example if a configuration is set from + the command line, and then written out to a file that is read back in the + first entry would indicate that it was set from the command line, while + the second one would indicate the file that the new configuration was read + in from.]]> + </doc> + </method> + <method name="getRange" return="org.apache.hadoop.conf.Configuration.IntegerRanges" + abstract="false" native="false" synchronized="false" + static="false" final="false" visibility="public" + deprecated="not deprecated"> + <param name="name" type="java.lang.String"/> + <param name="defaultValue" type="java.lang.String"/> + <doc> + <![CDATA[Parse the given attribute as a set of integer ranges + @param name the attribute name + @param defaultValue the default value if it is not set + @return a new set of ranges from the configured value]]> + </doc> + </method> + <method name="getStringCollection" return="java.util.Collection" + abstract="false" native="false" synchronized="false" + static="false" final="false" visibility="public" + deprecated="not deprecated"> + <param name="name" type="java.lang.String"/> + <doc> + <![CDATA[Get the comma delimited values of the <code>name</code> property as + a collection of <code>String</code>s. + If no such property is specified then empty collection is returned. + <p> + This is an optimized version of {@link #getStrings(String)} + + @param name property name. + @return property value as a collection of <code>String</code>s.]]> + </doc> + </method> + <method name="getStrings" return="java.lang.String[]" + abstract="false" native="false" synchronized="false" + static="false" final="false" visibility="public" + deprecated="not deprecated"> + <param name="name" type="java.lang.String"/> + <doc> + <![CDATA[Get the comma delimited values of the <code>name</code> property as + an array of <code>String</code>s. + If no such property is specified then <code>null</code> is returned. + + @param name property name. + @return property value as an array of <code>String</code>s, + or <code>null</code>.]]> + </doc> + </method> + <method name="getStrings" return="java.lang.String[]" + abstract="false" native="false" synchronized="false" + static="false" final="false" visibility="public" + deprecated="not deprecated"> + <param name="name" type="java.lang.String"/> + <param name="defaultValue" type="java.lang.String[]"/> + <doc> + <![CDATA[Get the comma delimited values of the <code>name</code> property as + an array of <code>String</code>s. + If no such property is specified then default value is returned. + + @param name property name. + @param defaultValue The default value + @return property value as an array of <code>String</code>s, + or default value.]]> + </doc> + </method> + <method name="getTrimmedStringCollection" return="java.util.Collection" + abstract="false" native="false" synchronized="false" + static="false" final="false" visibility="public" + deprecated="not deprecated"> + <param name="name" type="java.lang.String"/> + <doc> + <![CDATA[Get the comma delimited values of the <code>name</code> property as + a collection of <code>String</code>s, trimmed of the leading and trailing whitespace. + If no such property is specified then empty <code>Collection</code> is returned. + + @param name property name. + @return property value as a collection of <code>String</code>s, or empty <code>Collection</code>]]> + </doc> + </method> + <method name="getTrimmedStrings" return="java.lang.String[]" + abstract="false" native="false" synchronized="false" + static="false" final="false" visibility="public" + deprecated="not deprecated"> + <param name="name" type="java.lang.String"/> + <doc> + <![CDATA[Get the comma delimited values of the <code>name</code> property as + an array of <code>String</code>s, trimmed of the leading and trailing whitespace. + If no such property is specified then an empty array is returned. + + @param name property name. + @return property value as an array of trimmed <code>String</code>s, + or empty array.]]> + </doc> + </method> + <method name="getTrimmedStrings" return="java.lang.String[]" + abstract="false" native="false" synchronized="false" + static="false" final="false" visibility="public" + deprecated="not deprecated"> + <param name="name" type="java.lang.String"/> + <param name="defaultValue" type="java.lang.String[]"/> + <doc> + <![CDATA[Get the comma delimited values of the <code>name</code> property as + an array of <code>String</code>s, trimmed of the leading and trailing whitespace. + If no such property is specified then default value is returned. + + @param name property name. + @param defaultValue The default value + @return property value as an array of trimmed <code>String</code>s, + or default value.]]> + </doc> + </method> + <method name="setStrings" + abstract="false" native="false" synchronized="false" + static="false" final="false" visibility="public" + deprecated="not deprecated"> + <param name="name" type="java.lang.String"/> + <param name="values" type="java.lang.String[]"/> + <doc> + <![CDATA[Set the array of string values for the <code>name</code> property as + as comma delimited values. + + @param name property name. + @param values The values]]> + </doc> + </method> + <method name="getPassword" return="char[]" + abstract="false" native="false" synchronized="false" + static="false" final="false" visibility="public" + deprecated="not deprecated"> + <param name="name" type="java.lang.String"/> + <exception name="IOException" type="java.io.IOException"/> + <doc> + <![CDATA[Get the value for a known password configuration element. + In order to enable the elimination of clear text passwords in config, + this method attempts to resolve the property name as an alias through + the CredentialProvider API and conditionally fallsback to config. + @param name property name + @return password]]> + </doc> + </method> + <method name="getPasswordFromCredentialProviders" return="char[]" + abstract="false" native="false" synchronized="false" + static="false" final="false" visibility="protected" + deprecated="not deprecated"> + <param name="name" type="java.lang.String"/> + <exception name="IOException" type="java.io.IOException"/> + <doc> + <![CDATA[Try and resolve the provided element name as a credential provider + alias. + @param name alias of the provisioned credential + @return password or null if not found + @throws IOException]]> + </doc> + </method> + <method name="getPasswordFromConfig" return="char[]" + abstract="false" native="false" synchronized="false" + static="false" final="false" visibility="protected" + deprecated="not deprecated"> + <param name="name" type="java.lang.String"/> + <doc> + <![CDATA[Fallback to clear text passwords in configuration. + @param name + @return clear text password or null]]> + </doc> + </method> + <method name="getSocketAddr" return="java.net.InetSocketAddress" + abstract="false" native="false" synchronized="false" + static="false" final="false" visibility="public" + deprecated="not deprecated"> + <param name="hostProperty" type="java.lang.String"/> + <param name="addressProperty" type="java.lang.String"/> + <param name="defaultAddressValue" type="java.lang.String"/> + <param name="defaultPort" type="int"/> + <doc> + <![CDATA[Get the socket address for <code>hostProperty</code> as a + <code>InetSocketAddress</code>. If <code>hostProperty</code> is + <code>null</code>, <code>addressProperty</code> will be used. This + is useful for cases where we want to differentiate between host + bind address and address clients should use to establish connection. + + @param hostProperty bind host property name. + @param addressProperty address property name. + @param defaultAddressValue the default value + @param defaultPort the default port + @return InetSocketAddress]]> + </doc> + </method> + <method name="getSocketAddr" return="java.net.InetSocketAddress" + abstract="false" native="false" synchronized="false" + static="false" final="false" visibility="public" + deprecated="not deprecated"> + <param name="name" type="java.lang.String"/> + <param name="defaultAddress" type="java.lang.String"/> + <param name="defaultPort" type="int"/> + <doc> + <![CDATA[Get the socket address for <code>name</code> property as a + <code>InetSocketAddress</code>. + @param name property name. + @param defaultAddress the default value + @param defaultPort the default port + @return InetSocketAddress]]> + </doc> + </method> + <method name="setSocketAddr" + abstract="false" native="false" synchronized="false" + static="false" final="false" visibility="public" + deprecated="not deprecated"> + <param name="name" type="java.lang.String"/> + <param name="addr" type="java.net.InetSocketAddress"/> + <doc> + <![CDATA[Set the socket address for the <code>name</code> property as + a <code>host:port</code>.]]> + </doc> + </method> + <method name="updateConnectAddr" return="java.net.InetSocketAddress" + abstract="false" native="false" synchronized="false" + static="false" final="false" visibility="public" + deprecated="not deprecated"> + <param name="hostProperty" type="java.lang.String"/> + <param name="addressProperty" type="java.lang.String"/> + <param name="defaultAddressValue" type="java.lang.String"/> + <param name="addr" type="java.net.InetSocketAddress"/> + <doc> + <![CDATA[Set the socket address a client can use to connect for the + <code>name</code> property as a <code>host:port</code>. The wildcard + address is replaced with the local host's address. If the host and address + properties are configured the host component of the address will be combined + with the port component of the addr to generate the address. This is to allow + optional control over which host name is used in multi-home bind-host + cases where a host can have multiple names + @param hostProperty the bind-host configuration name + @param addressProperty the service address configuration name + @param defaultAddressValue the service default address configuration value + @param addr InetSocketAddress of the service listener + @return InetSocketAddress for clients to connect]]> + </doc> + </method> + <method name="updateConnectAddr" return="java.net.InetSocketAddress" + abstract="false" native="false" synchronized="false" + static="false" final="false" visibility="public" + deprecated="not deprecated"> + <param name="name" type="java.lang.String"/> + <param name="addr" type="java.net.InetSocketAddress"/> + <doc> + <![CDATA[Set the socket address a client can use to connect for the + <code>name</code> property as a <code>host:port</code>. The wildcard + address is replaced with the local host's address. + @param name property name. + @param addr InetSocketAddress of a listener to store in the given property + @return InetSocketAddress for clients to connect]]> + </doc> + </method> + <method name="getClassByName" return="java.lang.Class" + abstract="false" native="false" synchronized="false" + static="false" final="false" visibility="public" + deprecated="not deprecated"> + <param name="name" type="java.lang.String"/> + <exception name="ClassNotFoundException" type="java.lang.ClassNotFoundException"/> + <doc> + <![CDATA[Load a class by name. + + @param name the class name. + @return the class object. + @throws ClassNotFoundException if the class is not found.]]> + </doc> + </method> + <method name="getClassByNameOrNull" return="java.lang.Class" + abstract="false" native="false" synchronized="false" + static="false" final="false" visibility="public" + deprecated="not deprecated"> + <param name="name" type="java.lang.String"/> + <doc> + <![CDATA[Load a class by name, returning null rather than throwing an exception + if it couldn't be loaded. This is to avoid the overhead of creating + an exception. + + @param name the class name + @return the class object, or null if it could not be found.]]> + </doc> + </method> + <method name="getClasses" return="java.lang.Class[]" + abstract="false" native="false" synchronized="false" + static="false" final="false" visibility="public" + deprecated="not deprecated"> + <param name="name" type="java.lang.String"/> + <param name="defaultValue" type="java.lang.Class[]"/> + <doc> + <![CDATA[Get the value of the <code>name</code> property + as an array of <code>Class</code>. + The value of the property specifies a list of comma separated class names. + If no such property is specified, then <code>defaultValue</code> is + returned. + + @param name the property name. + @param defaultValue default value. + @return property value as a <code>Class[]</code>, + or <code>defaultValue</code>.]]> + </doc> + </method> + <method name="getClass" return="java.lang.Class" + abstract="false" native="false" synchronized="false" + static="false" final="false" visibility="public" + deprecated="not deprecated"> + <param name="name" type="java.lang.String"/> + <param name="defaultValue" type="java.lang.Class"/> + <doc> + <![CDATA[Get the value of the <code>name</code> property as a <code>Class</code>. + If no such property is specified, then <code>defaultValue</code> is + returned. + + @param name the class name. + @param defaultValue default value. + @return property value as a <code>Class</code>, + or <code>defaultValue</code>.]]> + </doc> + </method> + <method name="getClass" return="java.lang.Class" + abstract="false" native="false" synchronized="false" + static="false" final="false" visibility="public" + deprecated="not deprecated"> + <param name="name" type="java.lang.String"/> + <param name="defaultValue" type="java.lang.Class"/> + <param name="xface" type="java.lang.Class"/> + <doc> + <![CDATA[Get the value of the <code>name</code> property as a <code>Class</code> + implementing the interface specified by <code>xface</code>. + + If no such property is specified, then <code>defaultValue</code> is + returned. + + An exception is thrown if the returned class does not implement the named + interface. + + @param name the class name. + @param defaultValue default value. + @param xface the interface implemented by the named class. + @return property value as a <code>Class</code>, + or <code>defaultValue</code>.]]> + </doc> + </method> + <method name="getInstances" return="java.util.List" + abstract="false" native="false" synchronized="false" + static="false" final="false" visibility="public" + deprecated="not deprecated"> + <param name="name" type="java.lang.String"/> + <param name="xface" type="java.lang.Class"/> + <doc> + <![CDATA[Get the value of the <code>name</code> property as a <code>List</code> + of objects implementing the interface specified by <code>xface</code>. + + An exception is thrown if any of the classes does not exist, or if it does + not implement the named interface. + + @param name the property name. + @param xface the interface implemented by the classes named by + <code>name</code>. + @return a <code>List</code> of objects implementing <code>xface</code>.]]> + </doc> + </method> + <method name="setClass" + abstract="false" native="false" synchronized="false" + static="false" final="false" visibility="public" + deprecated="not deprecated"> + <param name="name" type="java.lang.String"/> + <param name="theClass" type="java.lang.Class"/> + <param name="xface" type="java.lang.Class"/> + <doc> + <![CDATA[Set the value of the <code>name</code> property to the name of a + <code>theClass</code> implementing the given interface <code>xface</code>. + + An exception is thrown if <code>theClass</code> does not implement the + interface <code>xface</code>. + + @param name property name. + @param theClass property value. + @param xface the interface implemented by the named class.]]> + </doc> + </method> + <method name="getLocalPath" return="org.apache.hadoop.fs.Path" + abstract="false" native="false" synchronized="false" + static="false" final="false" visibility="public" + deprecated="not deprecated"> + <param name="dirsProp" type="java.lang.String"/> + <param name="path" type="java.lang.String"/> + <exception name="IOException" type="java.io.IOException"/> + <doc> + <![CDATA[Get a local file under a directory named by <i>dirsProp</i> with + the given <i>path</i>. If <i>dirsProp</i> contains multiple directories, + then one is chosen based on <i>path</i>'s hash code. If the selected + directory does not exist, an attempt is made to create it. + + @param dirsProp directory in which to locate the file. + @param path file-path. + @return local file under the directory with the given path.]]> + </doc> + </method> + <method name="getFile" return="java.io.File" + abstract="false" native="false" synchronized="false" + static="false" final="false" visibility="public" + deprecated="not deprecated"> + <param name="dirsProp" type="java.lang.String"/> + <param name="path" type="java.lang.String"/> + <exception name="IOException" type="java.io.IOException"/> + <doc> + <![CDATA[Get a local file name under a directory named in <i>dirsProp</i> with + the given <i>path</i>. If <i>dirsProp</i> contains multiple directories, + then one is chosen based on <i>path</i>'s hash code. If the selected + directory does not exist, an attempt is made to create it. + + @param dirsProp directory in which to locate the file. + @param path file-path. + @return local file under the directory with the given path.]]> + </doc> + </method> + <method name="getResource" return="java.net.URL" + abstract="false" native="false" synchronized="false" + static="false" final="false" visibility="public" + deprecated="not deprecated"> + <param name="name" type="java.lang.String"/> + <doc> + <![CDATA[Get the {@link URL} for the named resource. + + @param name resource name. + @return the url for the named resource.]]> + </doc> + </method> + <method name="getConfResourceAsInputStream" return="java.io.InputStream" + abstract="false" native="false" synchronized="false" + static="false" final="false" visibility="public" + deprecated="not deprecated"> + <param name="name" type="java.lang.String"/> + <doc> + <![CDATA[Get an input stream attached to the configuration resource with the + given <code>name</code>. + + @param name configuration resource name. + @return an input stream attached to the resource.]]> + </doc> + </method> + <method name="getConfResourceAsReader" return="java.io.Reader" + abstract="false" native="false" synchronized="false" + static="false" final="false" visibility="public" + deprecated="not deprecated"> + <param name="name" type="java.lang.String"/> + <doc> + <![CDATA[Get a {@link Reader} attached to the configuration resource with the + given <code>name</code>. + + @param name configuration resource name. + @return a reader attached to the resource.]]> + </doc> + </method> + <method name="getFinalParameters" return="java.util.Set" + abstract="false" native="false" synchronized="false" + static="false" final="false" visibility="public" + deprecated="not deprecated"> + <doc> + <![CDATA[Get the set of parameters marked final. + + @return final parameter set.]]> + </doc> + </method> + <method name="getProps" return="java.util.Properties" + abstract="false" native="false" synchronized="true" + static="false" final="false" visibility="protected" + deprecated="not deprecated"> + </method> + <method name="size" return="int" + abstract="false" native="false" synchronized="false" + static="false" final="false" visibility="public" + deprecated="not deprecated"> + <doc> + <![CDATA[Return the number of keys in the configuration. + + @return number of keys in the configuration.]]> + </doc> + </method> + <method name="clear" + abstract="false" native="false" synchronized="false" + static="false" final="false" visibility="public" + deprecated="not deprecated"> + <doc> + <![CDATA[Clears all keys from the configuration.]]> + </doc> + </method> + <method name="iterator" return="java.util.Iterator" + abstract="false" native="false" synchronized="false" + static="false" final="false" visibility="public" + deprecated="not deprecated"> + <doc> + <![CDATA[Get an {@link Iterator} to go through the list of <code>String</code> + key-value pairs in the configuration. + + @return an iterator over the entries.]]> + </doc> + </method> + <method name="writeXml" + abstract="false" native="false" synchronized="false" + static="false" final="false" visibility="public" + deprecated="not deprecated"> + <param name="out" type="java.io.OutputStream"/> + <exception name="IOException" type="java.io.IOException"/> + <doc> + <![CDATA[Write out the non-default properties in this configuration to the given + {@link OutputStream} using UTF-8 encoding. + + @param out the output stream to write to.]]> + </doc> + </method> + <method name="writeXml" + abstract="false" native="false" synchronized="false" + static="false" final="false" visibility="public" + deprecated="not deprecated"> + <param name="out" type="java.io.Writer"/> + <exception name="IOException" type="java.io.IOException"/> + <doc> + <![CDATA[Write out the non-default properties in this configuration to the given + {@link Writer}. + + @param out the writer to write to.]]> + </doc> + </method> + <method name="dumpConfiguration" + abstract="false" native="false" synchronized="false" + static="true" final="false" visibility="public" + deprecated="not deprecated"> + <param name="config" type="org.apache.hadoop.conf.Configuration"/> + <param name="out" type="java.io.Writer"/> + <exception name="IOException" type="java.io.IOException"/> + <doc> + <![CDATA[Writes out all the parameters and their properties (final and resource) to + the given {@link Writer} + The format of the output would be + { "properties" : [ {key1,value1,key1.isFinal,key1.resource}, {key2,value2, + key2.isFinal,key2.resource}... ] } + It does not output the parameters of the configuration object which is + loaded from an input stream. + @param out the Writer to write to + @throws IOException]]> + </doc> + </method> + <method name="getClassLoader" return="java.lang.ClassLoader" + abstract="false" native="false" synchronized="false" + static="false" final="false" visibility="public" + deprecated="not deprecated"> + <doc> + <![CDATA[Get the {@link ClassLoader} for this job. + + @return the correct class loader.]]> + </doc> + </method> + <method name="setClassLoader" + abstract="false" native="false" synchronized="false" + static="false" final="false" visibility="public" + deprecated="not deprecated"> + <param name="classLoader" type="java.lang.ClassLoader"/> + <doc> + <![CDATA[Set the class loader that will be used to load the various objects. + + @param classLoader the new class loader.]]> + </doc> + </method> + <method name="toString" return="java.lang.String" + abstract="false" native="false" synchronized="false" + static="false" final="false" visibility="public" + deprecated="not deprecated"> + </method> + <method name="setQuietMode" + abstract="false" native="false" synchronized="true" + static="false" final="false" visibility="public" + deprecated="not deprecated"> + <param name="quietmode" type="boolean"/> + <doc> + <![CDATA[Set the quietness-mode. + + In the quiet-mode, error and informational messages might not be logged. + + @param quietmode <code>true</code> to set quiet-mode on, <code>false</code> + to turn it off.]]> + </doc> + </method> + <method name="main" + abstract="false" native="false" synchronized="false" + static="true" final="false" visibility="public" + deprecated="not deprecated"> + <param name="args" type="java.lang.String[]"/> + <exception name="Exception" type="java.lang.Exception"/> + <doc> + <![CDATA[For debugging. List non-default properties to the terminal and exit.]]> + </doc> + </method> + <method name="readFields" + abstract="false" native="false" synchronized="false" + static="false" final="false" visibility="public" + deprecated="not deprecated"> + <param name="in" type="java.io.DataInput"/> + <exception name="IOException" type="java.io.IOException"/> + </method> + <method name="write" + abstract="false" native="false" synchronized="false" + static="false" final="false" visibility="public" + deprecated="not deprecated"> + <param name="out" type="java.io.DataOutput"/> + <exception name="IOException" type="java.io.IOException"/> + </method> + <method name="getValByRegex" return="java.util.Map" + abstract="false" native="false" synchronized="false" + static="false" final="false" visibility="public" + deprecated="not deprecated"> + <param name="regex" type="java.lang.String"/> + <doc> + <![CDATA[get keys matching the the regex + @param regex + @return Map<String,String> with matching keys]]> + </doc> + </method> + <method name="dumpDeprecatedKeys" + abstract="false" native="false" synchronized="false" + static="true" final="false" visibility="public" + deprecated="not deprecated"> + </method> + <method name="hasWarnedDeprecation" return="boolean" + abstract="false" native="false" synchronized="false" + static="true" final="false" visibility="public" + deprecated="not deprecated"> + <param name="name" type="java.lang.String"/> + <doc> + <![CDATA[Returns whether or not a deprecated name has been warned. If the name is not + deprecated then always return false]]> + </doc> + </method> + <doc> + <![CDATA[Provides access to configuration parameters. + + <h4 id="Resources">Resources</h4> + + <p>Configurations are specified by resources. A resource contains a set of + name/value pairs as XML data. Each resource is named by either a + <code>String</code> or by a {@link Path}. If named by a <code>String</code>, + then the classpath is examined for a file with that name. If named by a + <code>Path</code>, then the local filesystem is examined directly, without + referring to the classpath. + + <p>Unless explicitly turned off, Hadoop by default specifies two + resources, loaded in-order from the classpath: <ol> + <li><tt> + <a href="{@docRoot}/../hadoop-project-dist/hadoop-common/core-default.xml"> + core-default.xml</a></tt>: Read-only defaults for hadoop.</li> + <li><tt>core-site.xml</tt>: Site-specific configuration for a given hadoop + installation.</li> + </ol> + Applications may add additional resources, which are loaded + subsequent to these resources in the order they are added. + + <h4 id="FinalParams">Final Parameters</h4> + + <p>Configuration parameters may be declared <i>final</i>. + Once a resource declares a value final, no subsequently-loaded + resource can alter that value. + For example, one might define a final parameter with: + <tt><pre> + <property> + <name>dfs.hosts.include</name> + <value>/etc/hadoop/conf/hosts.include</value> + <b><final>true</final></b> + </property></pre></tt> + + Administrators typically define parameters as final in + <tt>core-site.xml</tt> for values that user applications may not alter. + + <h4 id="VariableExpansion">Variable Expansion</h4> + + <p>Value strings are first processed for <i>variable expansion</i>. The + available properties are:<ol> + <li>Other properties defined in this Configuration; and, if a name is + undefined here,</li> + <li>Properties in {@link System#getProperties()}.</li> + </ol> + + <p>For example, if a configuration resource contains the following property + definitions: + <tt><pre> + <property> + <name>basedir</name> + <value>/user/${<i>user.name</i>}</value> + </property> + + <property> + <name>tempdir</name> + <value>${<i>basedir</i>}/tmp</value> + </property></pre></tt> + + When <tt>conf.get("tempdir")</tt> is called, then <tt>${<i>basedir</i>}</tt> + will be resolved to another property in this Configuration, while + <tt>${<i>user.name</i>}</tt> would then ordinarily be resolved to the value + of the System property with that name. + By default, warnings will be given to any deprecated configuration + parameters and these are suppressible by configuring + <tt>log4j.logger.org.apache.hadoop.conf.Configuration.deprecation</tt> in + log4j.properties file.]]> + </doc> + </class> + <!-- end class org.apache.hadoop.conf.Configuration --> + <!-- start class org.apache.hadoop.conf.Configuration.DeprecationDelta --> + <class name="Configuration.DeprecationDelta" extends="java.lang.Object" + abstract="false" + static="true" final="false" visibility="public" + deprecated="not deprecated"> + <constructor name="DeprecationDelta" type="java.lang.String, java.lang.String, java.lang.String" + static="false" final="false" visibility="public" + deprecated="not deprecated"> + </constructor> + <constructor name="DeprecationDelta" type="java.lang.String, java.lang.String" + static="false" final="false" visibility="public" + deprecated="not deprecated"> + </constructor> + <method name="getKey" return="java.lang.String" + abstract="false" native="false" synchronized="false" + static="false" final="false" visibility="public" + deprecated="not deprecated"> + </method> + <method name="getNewKeys" return="java.lang.String[]" + abstract="false" native="false" synchronized="false" + static="false" final="false" visibility="public" + deprecated="not deprecated"> + </method> + <method name="getCustomMessage" return="java.lang.String" + abstract="false" native="false" synchronized="false" + static="false" final="false" visibility="public" + deprecated="not deprecated"> + </method> + <doc> + <![CDATA[A pending addition to the global set of deprecated keys.]]> + </doc> + </class> + <!-- end class org.apache.hadoop.conf.Configuration.DeprecationDelta --> + <!-- start class org.apache.hadoop.conf.Configuration.IntegerRanges --> + <class name="Configuration.IntegerRanges" extends="java.lang.Object" + abstract="false" + static="true" final="false" visibility="public" + deprecated="not deprecated"> + <implements name="java.lang.Iterable"/> + <constructor name="IntegerRanges" + static="false" final="false" visibility="public" + deprecated="not deprecated"> + </constructor> + <constructor name="IntegerRanges" type="java.lang.String" + static="false" final="false" visibility="public" + deprecated="not deprecated"> + </constructor> + <method name="isIncluded" return="boolean" + abstract="false" native="false" synchronized="false" + static="false" final="false" visibility="public" + deprecated="not deprecated"> + <param name="value" type="int"/> + <doc> + <![CDATA[Is the given value in the set of ranges + @param value the value to check + @return is the value in the ranges?]]> + </doc> + </method> + <method name="isEmpty" return="boolean" + abstract="false" native="false" synchronized="false" + static="false" final="false" visibility="public" + deprecated="not deprecated"> + <doc> + <![CDATA[@return true if there are no values in this range, else false.]]> + </doc> + </method> + <method name="toString" return="java.lang.String" + abstract="false" native="false" synchronized="false" + static="false" final="false" visibility="public" + deprecated="not deprecated"> + </method> + <method name="iterator" return="java.util.Iterator" + abstract="false" native="false" synchronized="false" + static="false" final="false" visibility="public" + deprecated="not deprecated"> + </method> + <doc> + <![CDATA[A class that represents a set of positive integer ranges. It parses + strings of the form: "2-3,5,7-" where ranges are separated by comma and + the lower/upper bounds are separated by dash. Either the lower or upper + bound may be omitted meaning all values up to or over. So the string + above means 2, 3, 5, and 7, 8, 9, ...]]> + </doc> + </class> + <!-- end class org.apache.hadoop.conf.Configuration.IntegerRanges --> + <!-- start class org.apache.hadoop.conf.Configured --> + <class name="Configured" extends="java.lang.Object" + abstract="false" + static="false" final="false" visibility="public" + deprecated="not deprecated"> + <implements name="org.apache.hadoop.conf.Configurable"/> + <constructor name="Configured" + static="false" final="false" visibility="public" + deprecated="not deprecated"> + <doc> + <![CDATA[Construct a Configured.]]> + </doc> + </constructor> + <constructor name="Configured" type="org.apache.hadoop.conf.Configuration" + static="false" final="false" visibility="public" + deprecated="not deprecated"> + <doc> + <![CDATA[Construct a Configured.]]> + </doc> + </constructor> + <method name="setConf" + abstract="false" native="false" synchronized="false" + static="false" final="false" visibility="public" + deprecated="not deprecated"> + <param name="conf" type="org.apache.hadoop.conf.Configuration"/> + </method> + <method name="getConf" return="org.apache.hadoop.conf.Configuration" + abstract="false" native="false" synchronized="false" + static="false" final="false" visibility="public" + deprecated="not deprecated"> + </method> + <doc> + <![CDATA[Base class for things that may be configured with a {@link Configuration}.]]> + </doc> + </class> + <!-- end class org.apache.hadoop.conf.Configured --> + <!-- start class org.apache.hadoop.conf.ConfServlet.BadFormatException --> + <class name="ConfServlet.BadFormatException" extends="java.lang.Exception" + abstract="false" + static="true" final="false" visibility="public" + deprecated="not deprecated"> + <constructor name="BadFormatException" type="java.lang.String" + static="false" final="false" visibility="public" + deprecated="not deprecated"> + </constructor> + </class> + <!-- end class org.apache.hadoop.conf.ConfServlet.BadFormatException --> + <!-- start interface org.apache.hadoop.conf.Reconfigurable --> + <interface name="Reconfigurable" abstract="true" + static="false" final="false" visibility="public" + deprecated="not deprecated"> + <implements name="org.apache.hadoop.conf.Configurable"/> + <method name="reconfigureProperty" return="java.lang.String" + abstract="true" native="false" synchronized="false" + static="false" final="false" visibility="public" + deprecated="not deprecated"> + <param name="property" type="java.lang.String"/> + <param name="newVal" type="java.lang.String"/> + <exception name="ReconfigurationException" type="org.apache.hadoop.conf.ReconfigurationException"/> + <doc> + <![CDATA[Change a configuration property on this object to the value specified. + + Change a configuration property on this object to the value specified + and return the previous value that the configuration property was set to + (or null if it was not previously set). If newVal is null, set the property + to its default value; + + If the property cannot be changed, throw a + {@link ReconfigurationException}.]]> + </doc> + </method> + <method name="isPropertyReconfigurable" return="boolean" + abstract="true" native="false" synchronized="false" + static="false" final="false" visibility="public" + deprecated="not deprecated"> + <param name="property" type="java.lang.String"/> + <doc> + <![CDATA[Return whether a given property is changeable at run time. + + If isPropertyReconfigurable returns true for a property, + then changeConf should not throw an exception when changing + this property.]]> + </doc> + </method> + <method name="getReconfigurableProperties" return="java.util.Collection" + abstract="true" native="false" synchronized="false" + static="false" final="false" visibility="public" + deprecated="not deprecated"> + <doc> + <![CDATA[Return all the properties that can be changed at run time.]]> + </doc> + </method> + <doc> + <![CDATA[Something whose {@link Configuration} can be changed at run time.]]> + </doc> + </interface> + <!-- end interface org.apache.hadoop.conf.Reconfigurable --> + <!-- start class org.apache.hadoop.conf.ReconfigurableBase --> + <class name="ReconfigurableBase" extends="org.apache.hadoop.conf.Configured" + abstract="true" + static="false" final="false" visibility="public" + deprecated="not deprecated"> + <implements name="org.apache.hadoop.conf.Reconfigurable"/> + <constructor name="ReconfigurableBase" + static="false" final="false" visibility="public" + deprecated="not deprecated"> + <doc> + <![CDATA[Construct a ReconfigurableBase.]]> + </doc> + </constructor> + <constructor name="ReconfigurableBase" type="org.apache.hadoop.conf.Configuration" + static="false" final="false" visibility="public" + deprecated="not deprecated"> + <doc> + <![CDATA[Construct a ReconfigurableBase with the {@link Configuration} + conf.]]> + </doc> + </constructor> + <method name="setReconfigurationUtil" + abstract="false" native="false" synchronized="false" + static="false" final="false" visibility="public" + deprecated="not deprecated"> + <param name="ru" type="org.apache.hadoop.conf.ReconfigurationUtil"/> + </method> + <method name="getChangedProperties" return="java.util.Collection" + abstract="false" native="false" synchronized="false" + static="false" final="false" visibility="public" + deprecated="not deprecated"> + <param name="newConf" type="org.apache.hadoop.conf.Configuration"/> + <param name="oldConf" type="org.apache.hadoop.conf.Configuration"/> + </method> + <method name="startReconfigurationTask" + abstract="false" native="false" synchronized="false" + static="false" final="false" visibility="public" + deprecated="not deprecated"> + <exception name="IOException" type="java.io.IOException"/> + <doc> + <![CDATA[Start a reconfiguration task to reload configuration in background.]]> + </doc> + </method> + <method name="getReconfigurationTaskStatus" return="org.apache.hadoop.conf.ReconfigurationTaskStatus" + abstract="false" native="false" synchronized="false" + static="false" final="false" visibility="public" + deprecated="not deprecated"> + </method> + <method name="shutdownReconfigurationTask" + abstract="false" native="false" synchronized="false" + static="false" final="false" visibility="public" + deprecated="not deprecated"> + </method> + <method name="reconfigureProperty" return="java.lang.String" + abstract="false" native="false" synchronized="false" + static="false" final="true" visibility="public" + deprecated="not deprecated"> + <param name="property" type="java.lang.String"/> + <param name="newVal" type="java.lang.String"/> + <exception name="ReconfigurationException" type="org.apache.hadoop.conf.ReconfigurationException"/> + <doc> + <![CDATA[{@inheritDoc} + + This method makes the change to this objects {@link Configuration} + and calls reconfigurePropertyImpl to update internal data structures. + This method cannot be overridden, subclasses should instead override + reconfigureProperty.]]> + </doc> + </method> + <method name="getReconfigurableProperties" return="java.util.Collection" + abstract="true" native="false" synchronized="false" + static="false" final="false" visibility="public" + deprecated="not deprecated"> + <doc> + <![CDATA[{@inheritDoc} + + Subclasses must override this.]]> + </doc> + </method> + <method name="isPropertyReconfigurable" return="boolean" + abstract="false" native="false" synchronized="false" + static="false" final="false" visibility="public" + deprecated="not deprecated"> + <param name="property" type="java.lang.String"/> + <doc> + <![CDATA[{@inheritDoc} + + Subclasses may wish to override this with a more efficient implementation.]]> + </doc> + </method> + <method name="reconfigurePropertyImpl" + abstract="true" native="false" synchronized="false" + static="false" final="false" visibility="protected" + deprecated="not deprecated"> + <param name="property" type="java.lang.String"/> + <param name="newVal" type="java.lang.String"/> + <exception name="ReconfigurationException" type="org.apache.hadoop.conf.ReconfigurationException"/> + <doc> + <![CDATA[Change a configuration property. + + Subclasses must override this. This method applies the change to + all internal data structures derived from the configuration property + that is being changed. If this object owns other Reconfigurable objects + reconfigureProperty should be called recursively to make sure that + to make sure that the configuration of these objects is updated.]]> + </doc> + </method> + <doc> + <![CDATA[Utility base class for implementing the Reconfigurable interface. + + Subclasses should override reconfigurePropertyImpl to change individual + properties and getReconfigurableProperties to get all properties that + can be changed at run time.]]> + </doc> + </class> + <!-- end class org.apache.hadoop.conf.ReconfigurableBase --> + <!-- start class org.apache.hadoop.conf.ReconfigurationException --> + <class name="ReconfigurationException" extends="java.lang.Exception" + abstract="false" + static="false" final="false" visibility="public" + deprecated="not deprecated"> + <constructor name="ReconfigurationException" + static="false" final="false" visibility="public" + deprecated="not deprecated"> + <doc> + <![CDATA[Create a new instance of {@link ReconfigurationException}.]]> + </doc> + </constructor> + <constructor name="ReconfigurationException" type="java.lang.String, java.lang.String, java.lang.String, java.lang.Throwable" + static="false" final="false" visibility="public" + deprecated="not deprecated"> + <doc> + <![CDATA[Create a new instance of {@link ReconfigurationException}.]]> + </doc> + </constructor> + <constructor name="ReconfigurationException" type="java.lang.String, java.lang.String, java.lang.String" + static="false" final="false" visibility="public" + deprecated="not deprecated"> + <doc> + <![CDATA[Create a new instance of {@link ReconfigurationException}.]]> + </doc> + </constructor> + <method name="getProperty" return="java.lang.String" + abstract="false" native="false" synchronized="false" + static="false" final="false" visibility="public" + deprecated="not deprecated"> + <doc> + <![CDATA[Get property that cannot be changed.]]> + </doc> + </method> + <method name="getNewValue" return="java.lang.String" + abstract="false" native="false" synchronized="false" + static="false" final="false" visibility="public" + deprecated="not deprecated"> + <doc> + <![CDATA[Get value to which property was supposed to be changed.]]> + </doc> + </method> + <method name="getOldValue" return="java.lang.String" + abstract="false" native="false" synchronized="false" + static="false" final="false" visibility="public" + deprecated="not deprecated"> + <doc> + <![CDATA[Get old value of property that cannot be changed.]]> + </doc> + </method> + <doc> + <![CDATA[Exception indicating that configuration property cannot be changed + at run time.]]> + </doc> + </class> + <!-- end class org.apache.hadoop.conf.ReconfigurationException --> + <!-- start class org.apache.hadoop.conf.ReconfigurationServlet --> + <class name="ReconfigurationServlet" extends="javax.servlet.http.HttpServlet" + abstract="false" + static="false" final="false" visibility="public" + deprecated="not deprecated"> + <constructor name="ReconfigurationServlet" + static="false" final="false" visibility="public" + deprecated="not deprecated"> + </constructor> + <method name="init" + abstract="false" native="false" synchronized="false" + static="false" final="false" visibility="public" + deprecated="not deprecated"> + <exception name="ServletException" type="javax.servlet.ServletException"/> + </method> + <method name="doGet" + abstract="false" native="false" synchronized="false" + static="false" final="false" visibility="protected" + deprecated="not deprecated"> + <param name="req" type="javax.servlet.http.HttpServletRequest"/> + <param name="resp" type="javax.servlet.http.HttpServletResponse"/> + <exception name="ServletException" type="javax.servlet.ServletException"/> + <exception name="IOException" type="java.io.IOException"/> + </method> + <method name="doPost" + abstract="false" native="false" synchronized="false" + static="false" final="false" visibility="protected" + deprecated="not deprecated"> + <param name="req" type="javax.servlet.http.HttpServletRequest"/> + <param name="resp" type="javax.servlet.http.HttpSer
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