http://git-wip-us.apache.org/repos/asf/hbase-site/blob/d2b28a1a/devapidocs/src-html/org/apache/hadoop/hbase/KeyValue.Type.html ---------------------------------------------------------------------- diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/KeyValue.Type.html b/devapidocs/src-html/org/apache/hadoop/hbase/KeyValue.Type.html index f8eace7..66b6656 100644 --- a/devapidocs/src-html/org/apache/hadoop/hbase/KeyValue.Type.html +++ b/devapidocs/src-html/org/apache/hadoop/hbase/KeyValue.Type.html @@ -27,2569 +27,2540 @@ <span class="sourceLineNo">019</span> */<a name="line.19"></a> <span class="sourceLineNo">020</span>package org.apache.hadoop.hbase;<a name="line.20"></a> <span class="sourceLineNo">021</span><a name="line.21"></a> -<span class="sourceLineNo">022</span>import static org.apache.hadoop.hbase.Tag.TAG_LENGTH_SIZE;<a name="line.22"></a> -<span class="sourceLineNo">023</span>import static org.apache.hadoop.hbase.util.Bytes.len;<a name="line.23"></a> -<span class="sourceLineNo">024</span><a name="line.24"></a> -<span class="sourceLineNo">025</span>import java.io.DataInput;<a name="line.25"></a> -<span class="sourceLineNo">026</span>import java.io.DataOutput;<a name="line.26"></a> -<span class="sourceLineNo">027</span>import java.io.IOException;<a name="line.27"></a> -<span class="sourceLineNo">028</span>import java.io.OutputStream;<a name="line.28"></a> -<span class="sourceLineNo">029</span>import java.nio.ByteBuffer;<a name="line.29"></a> -<span class="sourceLineNo">030</span>import java.util.ArrayList;<a name="line.30"></a> -<span class="sourceLineNo">031</span>import java.util.Arrays;<a name="line.31"></a> -<span class="sourceLineNo">032</span>import java.util.HashMap;<a name="line.32"></a> -<span class="sourceLineNo">033</span>import java.util.Iterator;<a name="line.33"></a> -<span class="sourceLineNo">034</span>import java.util.List;<a name="line.34"></a> -<span class="sourceLineNo">035</span>import java.util.Map;<a name="line.35"></a> -<span class="sourceLineNo">036</span>import java.util.Optional;<a name="line.36"></a> -<span class="sourceLineNo">037</span><a name="line.37"></a> -<span class="sourceLineNo">038</span>import org.apache.hadoop.hbase.util.ByteBufferUtils;<a name="line.38"></a> -<span class="sourceLineNo">039</span>import org.apache.hadoop.hbase.util.Bytes;<a name="line.39"></a> -<span class="sourceLineNo">040</span>import org.apache.hadoop.hbase.util.ClassSize;<a name="line.40"></a> -<span class="sourceLineNo">041</span>import org.apache.hadoop.io.RawComparator;<a name="line.41"></a> -<span class="sourceLineNo">042</span>import org.apache.yetus.audience.InterfaceAudience;<a name="line.42"></a> -<span class="sourceLineNo">043</span>import org.slf4j.Logger;<a name="line.43"></a> -<span class="sourceLineNo">044</span>import org.slf4j.LoggerFactory;<a name="line.44"></a> -<span class="sourceLineNo">045</span><a name="line.45"></a> -<span class="sourceLineNo">046</span>import org.apache.hadoop.hbase.shaded.com.google.common.annotations.VisibleForTesting;<a name="line.46"></a> -<span class="sourceLineNo">047</span><a name="line.47"></a> -<span class="sourceLineNo">048</span>/**<a name="line.48"></a> -<span class="sourceLineNo">049</span> * An HBase Key/Value. This is the fundamental HBase Type.<a name="line.49"></a> +<span class="sourceLineNo">022</span>import static org.apache.hadoop.hbase.util.Bytes.len;<a name="line.22"></a> +<span class="sourceLineNo">023</span><a name="line.23"></a> +<span class="sourceLineNo">024</span>import java.io.DataInput;<a name="line.24"></a> +<span class="sourceLineNo">025</span>import java.io.DataOutput;<a name="line.25"></a> +<span class="sourceLineNo">026</span>import java.io.IOException;<a name="line.26"></a> +<span class="sourceLineNo">027</span>import java.io.OutputStream;<a name="line.27"></a> +<span class="sourceLineNo">028</span>import java.nio.ByteBuffer;<a name="line.28"></a> +<span class="sourceLineNo">029</span>import java.util.ArrayList;<a name="line.29"></a> +<span class="sourceLineNo">030</span>import java.util.Arrays;<a name="line.30"></a> +<span class="sourceLineNo">031</span>import java.util.HashMap;<a name="line.31"></a> +<span class="sourceLineNo">032</span>import java.util.Iterator;<a name="line.32"></a> +<span class="sourceLineNo">033</span>import java.util.List;<a name="line.33"></a> +<span class="sourceLineNo">034</span>import java.util.Map;<a name="line.34"></a> +<span class="sourceLineNo">035</span>import org.apache.hadoop.hbase.util.ByteBufferUtils;<a name="line.35"></a> +<span class="sourceLineNo">036</span>import org.apache.hadoop.hbase.util.Bytes;<a name="line.36"></a> +<span class="sourceLineNo">037</span>import org.apache.hadoop.hbase.util.ClassSize;<a name="line.37"></a> +<span class="sourceLineNo">038</span>import org.apache.hadoop.io.RawComparator;<a name="line.38"></a> +<span class="sourceLineNo">039</span>import org.apache.yetus.audience.InterfaceAudience;<a name="line.39"></a> +<span class="sourceLineNo">040</span>import org.slf4j.Logger;<a name="line.40"></a> +<span class="sourceLineNo">041</span>import org.slf4j.LoggerFactory;<a name="line.41"></a> +<span class="sourceLineNo">042</span><a name="line.42"></a> +<span class="sourceLineNo">043</span>import org.apache.hadoop.hbase.shaded.com.google.common.annotations.VisibleForTesting;<a name="line.43"></a> +<span class="sourceLineNo">044</span><a name="line.44"></a> +<span class="sourceLineNo">045</span>/**<a name="line.45"></a> +<span class="sourceLineNo">046</span> * An HBase Key/Value. This is the fundamental HBase Type.<a name="line.46"></a> +<span class="sourceLineNo">047</span> * <p><a name="line.47"></a> +<span class="sourceLineNo">048</span> * HBase applications and users should use the Cell interface and avoid directly using KeyValue and<a name="line.48"></a> +<span class="sourceLineNo">049</span> * member functions not defined in Cell.<a name="line.49"></a> <span class="sourceLineNo">050</span> * <p><a name="line.50"></a> -<span class="sourceLineNo">051</span> * HBase applications and users should use the Cell interface and avoid directly using KeyValue and<a name="line.51"></a> -<span class="sourceLineNo">052</span> * member functions not defined in Cell.<a name="line.52"></a> -<span class="sourceLineNo">053</span> * <p><a name="line.53"></a> -<span class="sourceLineNo">054</span> * If being used client-side, the primary methods to access individual fields are<a name="line.54"></a> -<span class="sourceLineNo">055</span> * {@link #getRowArray()}, {@link #getFamilyArray()}, {@link #getQualifierArray()},<a name="line.55"></a> -<span class="sourceLineNo">056</span> * {@link #getTimestamp()}, and {@link #getValueArray()}. These methods allocate new byte arrays<a name="line.56"></a> -<span class="sourceLineNo">057</span> * and return copies. Avoid their use server-side.<a name="line.57"></a> -<span class="sourceLineNo">058</span> * <p><a name="line.58"></a> -<span class="sourceLineNo">059</span> * Instances of this class are immutable. They do not implement Comparable but Comparators are<a name="line.59"></a> -<span class="sourceLineNo">060</span> * provided. Comparators change with context, whether user table or a catalog table comparison. Its<a name="line.60"></a> -<span class="sourceLineNo">061</span> * critical you use the appropriate comparator. There are Comparators for normal HFiles, Meta's<a name="line.61"></a> -<span class="sourceLineNo">062</span> * Hfiles, and bloom filter keys.<a name="line.62"></a> -<span class="sourceLineNo">063</span> * <p><a name="line.63"></a> -<span class="sourceLineNo">064</span> * KeyValue wraps a byte array and takes offsets and lengths into passed array at where to start<a name="line.64"></a> -<span class="sourceLineNo">065</span> * interpreting the content as KeyValue. The KeyValue format inside a byte array is:<a name="line.65"></a> -<span class="sourceLineNo">066</span> * <code>&lt;keylength&gt; &lt;valuelength&gt; &lt;key&gt; &lt;value&gt;</code> Key is further<a name="line.66"></a> -<span class="sourceLineNo">067</span> * decomposed as: <code>&lt;rowlength&gt; &lt;row&gt; &lt;columnfamilylength&gt;<a name="line.67"></a> -<span class="sourceLineNo">068</span> * &lt;columnfamily&gt; &lt;columnqualifier&gt;<a name="line.68"></a> -<span class="sourceLineNo">069</span> * &lt;timestamp&gt; &lt;keytype&gt;</code> The <code>rowlength</code> maximum is<a name="line.69"></a> -<span class="sourceLineNo">070</span> * <code>Short.MAX_SIZE</code>, column family length maximum is <code>Byte.MAX_SIZE</code>, and<a name="line.70"></a> -<span class="sourceLineNo">071</span> * column qualifier + key length must be &lt; <code>Integer.MAX_SIZE</code>. The column does not<a name="line.71"></a> -<span class="sourceLineNo">072</span> * contain the family/qualifier delimiter, {@link #COLUMN_FAMILY_DELIMITER}<br><a name="line.72"></a> -<span class="sourceLineNo">073</span> * KeyValue can optionally contain Tags. When it contains tags, it is added in the byte array after<a name="line.73"></a> -<span class="sourceLineNo">074</span> * the value part. The format for this part is: <code>&lt;tagslength&gt;&lt;tagsbytes&gt;</code>.<a name="line.74"></a> -<span class="sourceLineNo">075</span> * <code>tagslength</code> maximum is <code>Short.MAX_SIZE</code>. The <code>tagsbytes</code><a name="line.75"></a> -<span class="sourceLineNo">076</span> * contain one or more tags where as each tag is of the form<a name="line.76"></a> -<span class="sourceLineNo">077</span> * <code>&lt;taglength&gt;&lt;tagtype&gt;&lt;tagbytes&gt;</code>. <code>tagtype</code> is one byte<a name="line.77"></a> -<span class="sourceLineNo">078</span> * and <code>taglength</code> maximum is <code>Short.MAX_SIZE</code> and it includes 1 byte type<a name="line.78"></a> -<span class="sourceLineNo">079</span> * length and actual tag bytes length.<a name="line.79"></a> -<span class="sourceLineNo">080</span> */<a name="line.80"></a> -<span class="sourceLineNo">081</span>@InterfaceAudience.Private<a name="line.81"></a> -<span class="sourceLineNo">082</span>public class KeyValue implements ExtendedCell {<a name="line.82"></a> -<span class="sourceLineNo">083</span> private static final ArrayList<Tag> EMPTY_ARRAY_LIST = new ArrayList<>();<a name="line.83"></a> -<span class="sourceLineNo">084</span><a name="line.84"></a> -<span class="sourceLineNo">085</span> private static final Logger LOG = LoggerFactory.getLogger(KeyValue.class);<a name="line.85"></a> -<span class="sourceLineNo">086</span><a name="line.86"></a> -<span class="sourceLineNo">087</span> public static final int FIXED_OVERHEAD = ClassSize.OBJECT + // the KeyValue object itself<a name="line.87"></a> -<span class="sourceLineNo">088</span> ClassSize.REFERENCE + // pointer to "bytes"<a name="line.88"></a> -<span class="sourceLineNo">089</span> 2 * Bytes.SIZEOF_INT + // offset, length<a name="line.89"></a> -<span class="sourceLineNo">090</span> Bytes.SIZEOF_LONG;// memstoreTS<a name="line.90"></a> -<span class="sourceLineNo">091</span><a name="line.91"></a> -<span class="sourceLineNo">092</span> /**<a name="line.92"></a> -<span class="sourceLineNo">093</span> * Colon character in UTF-8<a name="line.93"></a> -<span class="sourceLineNo">094</span> */<a name="line.94"></a> -<span class="sourceLineNo">095</span> public static final char COLUMN_FAMILY_DELIMITER = ':';<a name="line.95"></a> +<span class="sourceLineNo">051</span> * If being used client-side, the primary methods to access individual fields are<a name="line.51"></a> +<span class="sourceLineNo">052</span> * {@link #getRowArray()}, {@link #getFamilyArray()}, {@link #getQualifierArray()},<a name="line.52"></a> +<span class="sourceLineNo">053</span> * {@link #getTimestamp()}, and {@link #getValueArray()}. These methods allocate new byte arrays<a name="line.53"></a> +<span class="sourceLineNo">054</span> * and return copies. Avoid their use server-side.<a name="line.54"></a> +<span class="sourceLineNo">055</span> * <p><a name="line.55"></a> +<span class="sourceLineNo">056</span> * Instances of this class are immutable. They do not implement Comparable but Comparators are<a name="line.56"></a> +<span class="sourceLineNo">057</span> * provided. Comparators change with context, whether user table or a catalog table comparison. Its<a name="line.57"></a> +<span class="sourceLineNo">058</span> * critical you use the appropriate comparator. There are Comparators for normal HFiles, Meta's<a name="line.58"></a> +<span class="sourceLineNo">059</span> * Hfiles, and bloom filter keys.<a name="line.59"></a> +<span class="sourceLineNo">060</span> * <p><a name="line.60"></a> +<span class="sourceLineNo">061</span> * KeyValue wraps a byte array and takes offsets and lengths into passed array at where to start<a name="line.61"></a> +<span class="sourceLineNo">062</span> * interpreting the content as KeyValue. The KeyValue format inside a byte array is:<a name="line.62"></a> +<span class="sourceLineNo">063</span> * <code>&lt;keylength&gt; &lt;valuelength&gt; &lt;key&gt; &lt;value&gt;</code> Key is further<a name="line.63"></a> +<span class="sourceLineNo">064</span> * decomposed as: <code>&lt;rowlength&gt; &lt;row&gt; &lt;columnfamilylength&gt;<a name="line.64"></a> +<span class="sourceLineNo">065</span> * &lt;columnfamily&gt; &lt;columnqualifier&gt;<a name="line.65"></a> +<span class="sourceLineNo">066</span> * &lt;timestamp&gt; &lt;keytype&gt;</code> The <code>rowlength</code> maximum is<a name="line.66"></a> +<span class="sourceLineNo">067</span> * <code>Short.MAX_SIZE</code>, column family length maximum is <code>Byte.MAX_SIZE</code>, and<a name="line.67"></a> +<span class="sourceLineNo">068</span> * column qualifier + key length must be &lt; <code>Integer.MAX_SIZE</code>. The column does not<a name="line.68"></a> +<span class="sourceLineNo">069</span> * contain the family/qualifier delimiter, {@link #COLUMN_FAMILY_DELIMITER}<br><a name="line.69"></a> +<span class="sourceLineNo">070</span> * KeyValue can optionally contain Tags. When it contains tags, it is added in the byte array after<a name="line.70"></a> +<span class="sourceLineNo">071</span> * the value part. The format for this part is: <code>&lt;tagslength&gt;&lt;tagsbytes&gt;</code>.<a name="line.71"></a> +<span class="sourceLineNo">072</span> * <code>tagslength</code> maximum is <code>Short.MAX_SIZE</code>. The <code>tagsbytes</code><a name="line.72"></a> +<span class="sourceLineNo">073</span> * contain one or more tags where as each tag is of the form<a name="line.73"></a> +<span class="sourceLineNo">074</span> * <code>&lt;taglength&gt;&lt;tagtype&gt;&lt;tagbytes&gt;</code>. <code>tagtype</code> is one byte<a name="line.74"></a> +<span class="sourceLineNo">075</span> * and <code>taglength</code> maximum is <code>Short.MAX_SIZE</code> and it includes 1 byte type<a name="line.75"></a> +<span class="sourceLineNo">076</span> * length and actual tag bytes length.<a name="line.76"></a> +<span class="sourceLineNo">077</span> */<a name="line.77"></a> +<span class="sourceLineNo">078</span>@InterfaceAudience.Private<a name="line.78"></a> +<span class="sourceLineNo">079</span>public class KeyValue implements ExtendedCell {<a name="line.79"></a> +<span class="sourceLineNo">080</span> private static final ArrayList<Tag> EMPTY_ARRAY_LIST = new ArrayList<>();<a name="line.80"></a> +<span class="sourceLineNo">081</span><a name="line.81"></a> +<span class="sourceLineNo">082</span> private static final Logger LOG = LoggerFactory.getLogger(KeyValue.class);<a name="line.82"></a> +<span class="sourceLineNo">083</span><a name="line.83"></a> +<span class="sourceLineNo">084</span> public static final int FIXED_OVERHEAD = ClassSize.OBJECT + // the KeyValue object itself<a name="line.84"></a> +<span class="sourceLineNo">085</span> ClassSize.REFERENCE + // pointer to "bytes"<a name="line.85"></a> +<span class="sourceLineNo">086</span> 2 * Bytes.SIZEOF_INT + // offset, length<a name="line.86"></a> +<span class="sourceLineNo">087</span> Bytes.SIZEOF_LONG;// memstoreTS<a name="line.87"></a> +<span class="sourceLineNo">088</span><a name="line.88"></a> +<span class="sourceLineNo">089</span> /**<a name="line.89"></a> +<span class="sourceLineNo">090</span> * Colon character in UTF-8<a name="line.90"></a> +<span class="sourceLineNo">091</span> */<a name="line.91"></a> +<span class="sourceLineNo">092</span> public static final char COLUMN_FAMILY_DELIMITER = ':';<a name="line.92"></a> +<span class="sourceLineNo">093</span><a name="line.93"></a> +<span class="sourceLineNo">094</span> public static final byte[] COLUMN_FAMILY_DELIM_ARRAY =<a name="line.94"></a> +<span class="sourceLineNo">095</span> new byte[]{COLUMN_FAMILY_DELIMITER};<a name="line.95"></a> <span class="sourceLineNo">096</span><a name="line.96"></a> -<span class="sourceLineNo">097</span> public static final byte[] COLUMN_FAMILY_DELIM_ARRAY =<a name="line.97"></a> -<span class="sourceLineNo">098</span> new byte[]{COLUMN_FAMILY_DELIMITER};<a name="line.98"></a> -<span class="sourceLineNo">099</span><a name="line.99"></a> -<span class="sourceLineNo">100</span> /**<a name="line.100"></a> -<span class="sourceLineNo">101</span> * Comparator for plain key/values; i.e. non-catalog table key/values. Works on Key portion<a name="line.101"></a> -<span class="sourceLineNo">102</span> * of KeyValue only.<a name="line.102"></a> -<span class="sourceLineNo">103</span> * @deprecated Use {@link CellComparator#getInstance()} instead. Deprecated for hbase 2.0, remove for hbase 3.0.<a name="line.103"></a> -<span class="sourceLineNo">104</span> */<a name="line.104"></a> -<span class="sourceLineNo">105</span> @Deprecated<a name="line.105"></a> -<span class="sourceLineNo">106</span> public static final KVComparator COMPARATOR = new KVComparator();<a name="line.106"></a> -<span class="sourceLineNo">107</span> /**<a name="line.107"></a> -<span class="sourceLineNo">108</span> * A {@link KVComparator} for <code>hbase:meta</code> catalog table<a name="line.108"></a> -<span class="sourceLineNo">109</span> * {@link KeyValue}s.<a name="line.109"></a> -<span class="sourceLineNo">110</span> * @deprecated Use {@link CellComparatorImpl#META_COMPARATOR} instead. Deprecated for hbase 2.0, remove for hbase 3.0.<a name="line.110"></a> -<span class="sourceLineNo">111</span> */<a name="line.111"></a> -<span class="sourceLineNo">112</span> @Deprecated<a name="line.112"></a> -<span class="sourceLineNo">113</span> public static final KVComparator META_COMPARATOR = new MetaComparator();<a name="line.113"></a> +<span class="sourceLineNo">097</span> /**<a name="line.97"></a> +<span class="sourceLineNo">098</span> * Comparator for plain key/values; i.e. non-catalog table key/values. Works on Key portion<a name="line.98"></a> +<span class="sourceLineNo">099</span> * of KeyValue only.<a name="line.99"></a> +<span class="sourceLineNo">100</span> * @deprecated Use {@link CellComparator#getInstance()} instead. Deprecated for hbase 2.0, remove for hbase 3.0.<a name="line.100"></a> +<span class="sourceLineNo">101</span> */<a name="line.101"></a> +<span class="sourceLineNo">102</span> @Deprecated<a name="line.102"></a> +<span class="sourceLineNo">103</span> public static final KVComparator COMPARATOR = new KVComparator();<a name="line.103"></a> +<span class="sourceLineNo">104</span> /**<a name="line.104"></a> +<span class="sourceLineNo">105</span> * A {@link KVComparator} for <code>hbase:meta</code> catalog table<a name="line.105"></a> +<span class="sourceLineNo">106</span> * {@link KeyValue}s.<a name="line.106"></a> +<span class="sourceLineNo">107</span> * @deprecated Use {@link CellComparatorImpl#META_COMPARATOR} instead. Deprecated for hbase 2.0, remove for hbase 3.0.<a name="line.107"></a> +<span class="sourceLineNo">108</span> */<a name="line.108"></a> +<span class="sourceLineNo">109</span> @Deprecated<a name="line.109"></a> +<span class="sourceLineNo">110</span> public static final KVComparator META_COMPARATOR = new MetaComparator();<a name="line.110"></a> +<span class="sourceLineNo">111</span><a name="line.111"></a> +<span class="sourceLineNo">112</span> /** Size of the key length field in bytes*/<a name="line.112"></a> +<span class="sourceLineNo">113</span> public static final int KEY_LENGTH_SIZE = Bytes.SIZEOF_INT;<a name="line.113"></a> <span class="sourceLineNo">114</span><a name="line.114"></a> -<span class="sourceLineNo">115</span> /** Size of the key length field in bytes*/<a name="line.115"></a> -<span class="sourceLineNo">116</span> public static final int KEY_LENGTH_SIZE = Bytes.SIZEOF_INT;<a name="line.116"></a> +<span class="sourceLineNo">115</span> /** Size of the key type field in bytes */<a name="line.115"></a> +<span class="sourceLineNo">116</span> public static final int TYPE_SIZE = Bytes.SIZEOF_BYTE;<a name="line.116"></a> <span class="sourceLineNo">117</span><a name="line.117"></a> -<span class="sourceLineNo">118</span> /** Size of the key type field in bytes */<a name="line.118"></a> -<span class="sourceLineNo">119</span> public static final int TYPE_SIZE = Bytes.SIZEOF_BYTE;<a name="line.119"></a> +<span class="sourceLineNo">118</span> /** Size of the row length field in bytes */<a name="line.118"></a> +<span class="sourceLineNo">119</span> public static final int ROW_LENGTH_SIZE = Bytes.SIZEOF_SHORT;<a name="line.119"></a> <span class="sourceLineNo">120</span><a name="line.120"></a> -<span class="sourceLineNo">121</span> /** Size of the row length field in bytes */<a name="line.121"></a> -<span class="sourceLineNo">122</span> public static final int ROW_LENGTH_SIZE = Bytes.SIZEOF_SHORT;<a name="line.122"></a> +<span class="sourceLineNo">121</span> /** Size of the family length field in bytes */<a name="line.121"></a> +<span class="sourceLineNo">122</span> public static final int FAMILY_LENGTH_SIZE = Bytes.SIZEOF_BYTE;<a name="line.122"></a> <span class="sourceLineNo">123</span><a name="line.123"></a> -<span class="sourceLineNo">124</span> /** Size of the family length field in bytes */<a name="line.124"></a> -<span class="sourceLineNo">125</span> public static final int FAMILY_LENGTH_SIZE = Bytes.SIZEOF_BYTE;<a name="line.125"></a> +<span class="sourceLineNo">124</span> /** Size of the timestamp field in bytes */<a name="line.124"></a> +<span class="sourceLineNo">125</span> public static final int TIMESTAMP_SIZE = Bytes.SIZEOF_LONG;<a name="line.125"></a> <span class="sourceLineNo">126</span><a name="line.126"></a> -<span class="sourceLineNo">127</span> /** Size of the timestamp field in bytes */<a name="line.127"></a> -<span class="sourceLineNo">128</span> public static final int TIMESTAMP_SIZE = Bytes.SIZEOF_LONG;<a name="line.128"></a> +<span class="sourceLineNo">127</span> // Size of the timestamp and type byte on end of a key -- a long + a byte.<a name="line.127"></a> +<span class="sourceLineNo">128</span> public static final int TIMESTAMP_TYPE_SIZE = TIMESTAMP_SIZE + TYPE_SIZE;<a name="line.128"></a> <span class="sourceLineNo">129</span><a name="line.129"></a> -<span class="sourceLineNo">130</span> // Size of the timestamp and type byte on end of a key -- a long + a byte.<a name="line.130"></a> -<span class="sourceLineNo">131</span> public static final int TIMESTAMP_TYPE_SIZE = TIMESTAMP_SIZE + TYPE_SIZE;<a name="line.131"></a> -<span class="sourceLineNo">132</span><a name="line.132"></a> -<span class="sourceLineNo">133</span> // Size of the length shorts and bytes in key.<a name="line.133"></a> -<span class="sourceLineNo">134</span> public static final int KEY_INFRASTRUCTURE_SIZE = ROW_LENGTH_SIZE<a name="line.134"></a> -<span class="sourceLineNo">135</span> + FAMILY_LENGTH_SIZE + TIMESTAMP_TYPE_SIZE;<a name="line.135"></a> -<span class="sourceLineNo">136</span><a name="line.136"></a> -<span class="sourceLineNo">137</span> // How far into the key the row starts at. First thing to read is the short<a name="line.137"></a> -<span class="sourceLineNo">138</span> // that says how long the row is.<a name="line.138"></a> -<span class="sourceLineNo">139</span> public static final int ROW_OFFSET =<a name="line.139"></a> -<span class="sourceLineNo">140</span> Bytes.SIZEOF_INT /*keylength*/ +<a name="line.140"></a> -<span class="sourceLineNo">141</span> Bytes.SIZEOF_INT /*valuelength*/;<a name="line.141"></a> -<span class="sourceLineNo">142</span><a name="line.142"></a> -<span class="sourceLineNo">143</span> public static final int ROW_KEY_OFFSET = ROW_OFFSET + ROW_LENGTH_SIZE;<a name="line.143"></a> +<span class="sourceLineNo">130</span> // Size of the length shorts and bytes in key.<a name="line.130"></a> +<span class="sourceLineNo">131</span> public static final int KEY_INFRASTRUCTURE_SIZE = ROW_LENGTH_SIZE<a name="line.131"></a> +<span class="sourceLineNo">132</span> + FAMILY_LENGTH_SIZE + TIMESTAMP_TYPE_SIZE;<a name="line.132"></a> +<span class="sourceLineNo">133</span><a name="line.133"></a> +<span class="sourceLineNo">134</span> // How far into the key the row starts at. First thing to read is the short<a name="line.134"></a> +<span class="sourceLineNo">135</span> // that says how long the row is.<a name="line.135"></a> +<span class="sourceLineNo">136</span> public static final int ROW_OFFSET =<a name="line.136"></a> +<span class="sourceLineNo">137</span> Bytes.SIZEOF_INT /*keylength*/ +<a name="line.137"></a> +<span class="sourceLineNo">138</span> Bytes.SIZEOF_INT /*valuelength*/;<a name="line.138"></a> +<span class="sourceLineNo">139</span><a name="line.139"></a> +<span class="sourceLineNo">140</span> public static final int ROW_KEY_OFFSET = ROW_OFFSET + ROW_LENGTH_SIZE;<a name="line.140"></a> +<span class="sourceLineNo">141</span><a name="line.141"></a> +<span class="sourceLineNo">142</span> // Size of the length ints in a KeyValue datastructure.<a name="line.142"></a> +<span class="sourceLineNo">143</span> public static final int KEYVALUE_INFRASTRUCTURE_SIZE = ROW_OFFSET;<a name="line.143"></a> <span class="sourceLineNo">144</span><a name="line.144"></a> -<span class="sourceLineNo">145</span> // Size of the length ints in a KeyValue datastructure.<a name="line.145"></a> -<span class="sourceLineNo">146</span> public static final int KEYVALUE_INFRASTRUCTURE_SIZE = ROW_OFFSET;<a name="line.146"></a> +<span class="sourceLineNo">145</span> /** Size of the tags length field in bytes */<a name="line.145"></a> +<span class="sourceLineNo">146</span> public static final int TAGS_LENGTH_SIZE = Bytes.SIZEOF_SHORT;<a name="line.146"></a> <span class="sourceLineNo">147</span><a name="line.147"></a> -<span class="sourceLineNo">148</span> /** Size of the tags length field in bytes */<a name="line.148"></a> -<span class="sourceLineNo">149</span> public static final int TAGS_LENGTH_SIZE = Bytes.SIZEOF_SHORT;<a name="line.149"></a> -<span class="sourceLineNo">150</span><a name="line.150"></a> -<span class="sourceLineNo">151</span> public static final int KEYVALUE_WITH_TAGS_INFRASTRUCTURE_SIZE = ROW_OFFSET + TAGS_LENGTH_SIZE;<a name="line.151"></a> -<span class="sourceLineNo">152</span><a name="line.152"></a> -<span class="sourceLineNo">153</span> /**<a name="line.153"></a> -<span class="sourceLineNo">154</span> * Computes the number of bytes that a <code>KeyValue</code> instance with the provided<a name="line.154"></a> -<span class="sourceLineNo">155</span> * characteristics would take up for its underlying data structure.<a name="line.155"></a> -<span class="sourceLineNo">156</span> *<a name="line.156"></a> -<span class="sourceLineNo">157</span> * @param rlength row length<a name="line.157"></a> -<span class="sourceLineNo">158</span> * @param flength family length<a name="line.158"></a> -<span class="sourceLineNo">159</span> * @param qlength qualifier length<a name="line.159"></a> -<span class="sourceLineNo">160</span> * @param vlength value length<a name="line.160"></a> -<span class="sourceLineNo">161</span> *<a name="line.161"></a> -<span class="sourceLineNo">162</span> * @return the <code>KeyValue</code> data structure length<a name="line.162"></a> -<span class="sourceLineNo">163</span> */<a name="line.163"></a> -<span class="sourceLineNo">164</span> public static long getKeyValueDataStructureSize(int rlength,<a name="line.164"></a> -<span class="sourceLineNo">165</span> int flength, int qlength, int vlength) {<a name="line.165"></a> -<span class="sourceLineNo">166</span> return KeyValue.KEYVALUE_INFRASTRUCTURE_SIZE<a name="line.166"></a> -<span class="sourceLineNo">167</span> + getKeyDataStructureSize(rlength, flength, qlength) + vlength;<a name="line.167"></a> -<span class="sourceLineNo">168</span> }<a name="line.168"></a> -<span class="sourceLineNo">169</span><a name="line.169"></a> -<span class="sourceLineNo">170</span> /**<a name="line.170"></a> -<span class="sourceLineNo">171</span> * Computes the number of bytes that a <code>KeyValue</code> instance with the provided<a name="line.171"></a> -<span class="sourceLineNo">172</span> * characteristics would take up for its underlying data structure.<a name="line.172"></a> -<span class="sourceLineNo">173</span> *<a name="line.173"></a> -<span class="sourceLineNo">174</span> * @param rlength row length<a name="line.174"></a> -<span class="sourceLineNo">175</span> * @param flength family length<a name="line.175"></a> -<span class="sourceLineNo">176</span> * @param qlength qualifier length<a name="line.176"></a> -<span class="sourceLineNo">177</span> * @param vlength value length<a name="line.177"></a> -<span class="sourceLineNo">178</span> * @param tagsLength total length of the tags<a name="line.178"></a> -<span class="sourceLineNo">179</span> *<a name="line.179"></a> -<span class="sourceLineNo">180</span> * @return the <code>KeyValue</code> data structure length<a name="line.180"></a> -<span class="sourceLineNo">181</span> */<a name="line.181"></a> -<span class="sourceLineNo">182</span> public static long getKeyValueDataStructureSize(int rlength, int flength, int qlength,<a name="line.182"></a> -<span class="sourceLineNo">183</span> int vlength, int tagsLength) {<a name="line.183"></a> -<span class="sourceLineNo">184</span> if (tagsLength == 0) {<a name="line.184"></a> -<span class="sourceLineNo">185</span> return getKeyValueDataStructureSize(rlength, flength, qlength, vlength);<a name="line.185"></a> -<span class="sourceLineNo">186</span> }<a name="line.186"></a> -<span class="sourceLineNo">187</span> return KeyValue.KEYVALUE_WITH_TAGS_INFRASTRUCTURE_SIZE<a name="line.187"></a> -<span class="sourceLineNo">188</span> + getKeyDataStructureSize(rlength, flength, qlength) + vlength + tagsLength;<a name="line.188"></a> -<span class="sourceLineNo">189</span> }<a name="line.189"></a> -<span class="sourceLineNo">190</span><a name="line.190"></a> -<span class="sourceLineNo">191</span> /**<a name="line.191"></a> -<span class="sourceLineNo">192</span> * Computes the number of bytes that a <code>KeyValue</code> instance with the provided<a name="line.192"></a> -<span class="sourceLineNo">193</span> * characteristics would take up for its underlying data structure.<a name="line.193"></a> -<span class="sourceLineNo">194</span> *<a name="line.194"></a> -<span class="sourceLineNo">195</span> * @param klength key length<a name="line.195"></a> -<span class="sourceLineNo">196</span> * @param vlength value length<a name="line.196"></a> -<span class="sourceLineNo">197</span> * @param tagsLength total length of the tags<a name="line.197"></a> -<span class="sourceLineNo">198</span> *<a name="line.198"></a> -<span class="sourceLineNo">199</span> * @return the <code>KeyValue</code> data structure length<a name="line.199"></a> -<span class="sourceLineNo">200</span> */<a name="line.200"></a> -<span class="sourceLineNo">201</span> public static long getKeyValueDataStructureSize(int klength, int vlength, int tagsLength) {<a name="line.201"></a> -<span class="sourceLineNo">202</span> if (tagsLength == 0) {<a name="line.202"></a> -<span class="sourceLineNo">203</span> return (long) KeyValue.KEYVALUE_INFRASTRUCTURE_SIZE + klength + vlength;<a name="line.203"></a> -<span class="sourceLineNo">204</span> }<a name="line.204"></a> -<span class="sourceLineNo">205</span> return (long) KeyValue.KEYVALUE_WITH_TAGS_INFRASTRUCTURE_SIZE + klength + vlength + tagsLength;<a name="line.205"></a> -<span class="sourceLineNo">206</span> }<a name="line.206"></a> -<span class="sourceLineNo">207</span><a name="line.207"></a> -<span class="sourceLineNo">208</span> /**<a name="line.208"></a> -<span class="sourceLineNo">209</span> * Computes the number of bytes that a <code>KeyValue</code> instance with the provided<a name="line.209"></a> -<span class="sourceLineNo">210</span> * characteristics would take up in its underlying data structure for the key.<a name="line.210"></a> -<span class="sourceLineNo">211</span> *<a name="line.211"></a> -<span class="sourceLineNo">212</span> * @param rlength row length<a name="line.212"></a> -<span class="sourceLineNo">213</span> * @param flength family length<a name="line.213"></a> -<span class="sourceLineNo">214</span> * @param qlength qualifier length<a name="line.214"></a> -<span class="sourceLineNo">215</span> *<a name="line.215"></a> -<span class="sourceLineNo">216</span> * @return the key data structure length<a name="line.216"></a> -<span class="sourceLineNo">217</span> */<a name="line.217"></a> -<span class="sourceLineNo">218</span> public static long getKeyDataStructureSize(int rlength, int flength, int qlength) {<a name="line.218"></a> -<span class="sourceLineNo">219</span> return (long) KeyValue.KEY_INFRASTRUCTURE_SIZE + rlength + flength + qlength;<a name="line.219"></a> -<span class="sourceLineNo">220</span> }<a name="line.220"></a> -<span class="sourceLineNo">221</span><a name="line.221"></a> -<span class="sourceLineNo">222</span> /**<a name="line.222"></a> -<span class="sourceLineNo">223</span> * Key type.<a name="line.223"></a> -<span class="sourceLineNo">224</span> * Has space for other key types to be added later. Cannot rely on<a name="line.224"></a> -<span class="sourceLineNo">225</span> * enum ordinals . They change if item is removed or moved. Do our own codes.<a name="line.225"></a> -<span class="sourceLineNo">226</span> */<a name="line.226"></a> -<span class="sourceLineNo">227</span> public static enum Type {<a name="line.227"></a> -<span class="sourceLineNo">228</span> Minimum((byte)0),<a name="line.228"></a> -<span class="sourceLineNo">229</span> Put((byte)4),<a name="line.229"></a> -<span class="sourceLineNo">230</span><a name="line.230"></a> -<span class="sourceLineNo">231</span> Delete((byte)8),<a name="line.231"></a> -<span class="sourceLineNo">232</span> DeleteFamilyVersion((byte)10),<a name="line.232"></a> -<span class="sourceLineNo">233</span> DeleteColumn((byte)12),<a name="line.233"></a> -<span class="sourceLineNo">234</span> DeleteFamily((byte)14),<a name="line.234"></a> +<span class="sourceLineNo">148</span> public static final int KEYVALUE_WITH_TAGS_INFRASTRUCTURE_SIZE = ROW_OFFSET + TAGS_LENGTH_SIZE;<a name="line.148"></a> +<span class="sourceLineNo">149</span><a name="line.149"></a> +<span class="sourceLineNo">150</span> /**<a name="line.150"></a> +<span class="sourceLineNo">151</span> * Computes the number of bytes that a <code>KeyValue</code> instance with the provided<a name="line.151"></a> +<span class="sourceLineNo">152</span> * characteristics would take up for its underlying data structure.<a name="line.152"></a> +<span class="sourceLineNo">153</span> *<a name="line.153"></a> +<span class="sourceLineNo">154</span> * @param rlength row length<a name="line.154"></a> +<span class="sourceLineNo">155</span> * @param flength family length<a name="line.155"></a> +<span class="sourceLineNo">156</span> * @param qlength qualifier length<a name="line.156"></a> +<span class="sourceLineNo">157</span> * @param vlength value length<a name="line.157"></a> +<span class="sourceLineNo">158</span> *<a name="line.158"></a> +<span class="sourceLineNo">159</span> * @return the <code>KeyValue</code> data structure length<a name="line.159"></a> +<span class="sourceLineNo">160</span> */<a name="line.160"></a> +<span class="sourceLineNo">161</span> public static long getKeyValueDataStructureSize(int rlength,<a name="line.161"></a> +<span class="sourceLineNo">162</span> int flength, int qlength, int vlength) {<a name="line.162"></a> +<span class="sourceLineNo">163</span> return KeyValue.KEYVALUE_INFRASTRUCTURE_SIZE<a name="line.163"></a> +<span class="sourceLineNo">164</span> + getKeyDataStructureSize(rlength, flength, qlength) + vlength;<a name="line.164"></a> +<span class="sourceLineNo">165</span> }<a name="line.165"></a> +<span class="sourceLineNo">166</span><a name="line.166"></a> +<span class="sourceLineNo">167</span> /**<a name="line.167"></a> +<span class="sourceLineNo">168</span> * Computes the number of bytes that a <code>KeyValue</code> instance with the provided<a name="line.168"></a> +<span class="sourceLineNo">169</span> * characteristics would take up for its underlying data structure.<a name="line.169"></a> +<span class="sourceLineNo">170</span> *<a name="line.170"></a> +<span class="sourceLineNo">171</span> * @param rlength row length<a name="line.171"></a> +<span class="sourceLineNo">172</span> * @param flength family length<a name="line.172"></a> +<span class="sourceLineNo">173</span> * @param qlength qualifier length<a name="line.173"></a> +<span class="sourceLineNo">174</span> * @param vlength value length<a name="line.174"></a> +<span class="sourceLineNo">175</span> * @param tagsLength total length of the tags<a name="line.175"></a> +<span class="sourceLineNo">176</span> *<a name="line.176"></a> +<span class="sourceLineNo">177</span> * @return the <code>KeyValue</code> data structure length<a name="line.177"></a> +<span class="sourceLineNo">178</span> */<a name="line.178"></a> +<span class="sourceLineNo">179</span> public static long getKeyValueDataStructureSize(int rlength, int flength, int qlength,<a name="line.179"></a> +<span class="sourceLineNo">180</span> int vlength, int tagsLength) {<a name="line.180"></a> +<span class="sourceLineNo">181</span> if (tagsLength == 0) {<a name="line.181"></a> +<span class="sourceLineNo">182</span> return getKeyValueDataStructureSize(rlength, flength, qlength, vlength);<a name="line.182"></a> +<span class="sourceLineNo">183</span> }<a name="line.183"></a> +<span class="sourceLineNo">184</span> return KeyValue.KEYVALUE_WITH_TAGS_INFRASTRUCTURE_SIZE<a name="line.184"></a> +<span class="sourceLineNo">185</span> + getKeyDataStructureSize(rlength, flength, qlength) + vlength + tagsLength;<a name="line.185"></a> +<span class="sourceLineNo">186</span> }<a name="line.186"></a> +<span class="sourceLineNo">187</span><a name="line.187"></a> +<span class="sourceLineNo">188</span> /**<a name="line.188"></a> +<span class="sourceLineNo">189</span> * Computes the number of bytes that a <code>KeyValue</code> instance with the provided<a name="line.189"></a> +<span class="sourceLineNo">190</span> * characteristics would take up for its underlying data structure.<a name="line.190"></a> +<span class="sourceLineNo">191</span> *<a name="line.191"></a> +<span class="sourceLineNo">192</span> * @param klength key length<a name="line.192"></a> +<span class="sourceLineNo">193</span> * @param vlength value length<a name="line.193"></a> +<span class="sourceLineNo">194</span> * @param tagsLength total length of the tags<a name="line.194"></a> +<span class="sourceLineNo">195</span> *<a name="line.195"></a> +<span class="sourceLineNo">196</span> * @return the <code>KeyValue</code> data structure length<a name="line.196"></a> +<span class="sourceLineNo">197</span> */<a name="line.197"></a> +<span class="sourceLineNo">198</span> public static long getKeyValueDataStructureSize(int klength, int vlength, int tagsLength) {<a name="line.198"></a> +<span class="sourceLineNo">199</span> if (tagsLength == 0) {<a name="line.199"></a> +<span class="sourceLineNo">200</span> return (long) KeyValue.KEYVALUE_INFRASTRUCTURE_SIZE + klength + vlength;<a name="line.200"></a> +<span class="sourceLineNo">201</span> }<a name="line.201"></a> +<span class="sourceLineNo">202</span> return (long) KeyValue.KEYVALUE_WITH_TAGS_INFRASTRUCTURE_SIZE + klength + vlength + tagsLength;<a name="line.202"></a> +<span class="sourceLineNo">203</span> }<a name="line.203"></a> +<span class="sourceLineNo">204</span><a name="line.204"></a> +<span class="sourceLineNo">205</span> /**<a name="line.205"></a> +<span class="sourceLineNo">206</span> * Computes the number of bytes that a <code>KeyValue</code> instance with the provided<a name="line.206"></a> +<span class="sourceLineNo">207</span> * characteristics would take up in its underlying data structure for the key.<a name="line.207"></a> +<span class="sourceLineNo">208</span> *<a name="line.208"></a> +<span class="sourceLineNo">209</span> * @param rlength row length<a name="line.209"></a> +<span class="sourceLineNo">210</span> * @param flength family length<a name="line.210"></a> +<span class="sourceLineNo">211</span> * @param qlength qualifier length<a name="line.211"></a> +<span class="sourceLineNo">212</span> *<a name="line.212"></a> +<span class="sourceLineNo">213</span> * @return the key data structure length<a name="line.213"></a> +<span class="sourceLineNo">214</span> */<a name="line.214"></a> +<span class="sourceLineNo">215</span> public static long getKeyDataStructureSize(int rlength, int flength, int qlength) {<a name="line.215"></a> +<span class="sourceLineNo">216</span> return (long) KeyValue.KEY_INFRASTRUCTURE_SIZE + rlength + flength + qlength;<a name="line.216"></a> +<span class="sourceLineNo">217</span> }<a name="line.217"></a> +<span class="sourceLineNo">218</span><a name="line.218"></a> +<span class="sourceLineNo">219</span> /**<a name="line.219"></a> +<span class="sourceLineNo">220</span> * Key type.<a name="line.220"></a> +<span class="sourceLineNo">221</span> * Has space for other key types to be added later. Cannot rely on<a name="line.221"></a> +<span class="sourceLineNo">222</span> * enum ordinals . They change if item is removed or moved. Do our own codes.<a name="line.222"></a> +<span class="sourceLineNo">223</span> */<a name="line.223"></a> +<span class="sourceLineNo">224</span> public static enum Type {<a name="line.224"></a> +<span class="sourceLineNo">225</span> Minimum((byte)0),<a name="line.225"></a> +<span class="sourceLineNo">226</span> Put((byte)4),<a name="line.226"></a> +<span class="sourceLineNo">227</span><a name="line.227"></a> +<span class="sourceLineNo">228</span> Delete((byte)8),<a name="line.228"></a> +<span class="sourceLineNo">229</span> DeleteFamilyVersion((byte)10),<a name="line.229"></a> +<span class="sourceLineNo">230</span> DeleteColumn((byte)12),<a name="line.230"></a> +<span class="sourceLineNo">231</span> DeleteFamily((byte)14),<a name="line.231"></a> +<span class="sourceLineNo">232</span><a name="line.232"></a> +<span class="sourceLineNo">233</span> // Maximum is used when searching; you look from maximum on down.<a name="line.233"></a> +<span class="sourceLineNo">234</span> Maximum((byte)255);<a name="line.234"></a> <span class="sourceLineNo">235</span><a name="line.235"></a> -<span class="sourceLineNo">236</span> // Maximum is used when searching; you look from maximum on down.<a name="line.236"></a> -<span class="sourceLineNo">237</span> Maximum((byte)255);<a name="line.237"></a> -<span class="sourceLineNo">238</span><a name="line.238"></a> -<span class="sourceLineNo">239</span> private final byte code;<a name="line.239"></a> -<span class="sourceLineNo">240</span><a name="line.240"></a> -<span class="sourceLineNo">241</span> Type(final byte c) {<a name="line.241"></a> -<span class="sourceLineNo">242</span> this.code = c;<a name="line.242"></a> -<span class="sourceLineNo">243</span> }<a name="line.243"></a> -<span class="sourceLineNo">244</span><a name="line.244"></a> -<span class="sourceLineNo">245</span> public byte getCode() {<a name="line.245"></a> -<span class="sourceLineNo">246</span> return this.code;<a name="line.246"></a> -<span class="sourceLineNo">247</span> }<a name="line.247"></a> -<span class="sourceLineNo">248</span><a name="line.248"></a> -<span class="sourceLineNo">249</span> private static Type[] codeArray = new Type[256];<a name="line.249"></a> -<span class="sourceLineNo">250</span><a name="line.250"></a> -<span class="sourceLineNo">251</span> static {<a name="line.251"></a> -<span class="sourceLineNo">252</span> for (Type t : Type.values()) {<a name="line.252"></a> -<span class="sourceLineNo">253</span> codeArray[t.code & 0xff] = t;<a name="line.253"></a> -<span class="sourceLineNo">254</span> }<a name="line.254"></a> -<span class="sourceLineNo">255</span> }<a name="line.255"></a> -<span class="sourceLineNo">256</span><a name="line.256"></a> -<span class="sourceLineNo">257</span> /**<a name="line.257"></a> -<span class="sourceLineNo">258</span> * Cannot rely on enum ordinals . They change if item is removed or moved.<a name="line.258"></a> -<span class="sourceLineNo">259</span> * Do our own codes.<a name="line.259"></a> -<span class="sourceLineNo">260</span> * @param b<a name="line.260"></a> -<span class="sourceLineNo">261</span> * @return Type associated with passed code.<a name="line.261"></a> -<span class="sourceLineNo">262</span> */<a name="line.262"></a> -<span class="sourceLineNo">263</span> public static Type codeToType(final byte b) {<a name="line.263"></a> -<span class="sourceLineNo">264</span> Type t = codeArray[b & 0xff];<a name="line.264"></a> -<span class="sourceLineNo">265</span> if (t != null) {<a name="line.265"></a> -<span class="sourceLineNo">266</span> return t;<a name="line.266"></a> -<span class="sourceLineNo">267</span> }<a name="line.267"></a> -<span class="sourceLineNo">268</span> throw new RuntimeException("Unknown code " + b);<a name="line.268"></a> -<span class="sourceLineNo">269</span> }<a name="line.269"></a> -<span class="sourceLineNo">270</span> }<a name="line.270"></a> -<span class="sourceLineNo">271</span><a name="line.271"></a> -<span class="sourceLineNo">272</span> /**<a name="line.272"></a> -<span class="sourceLineNo">273</span> * Lowest possible key.<a name="line.273"></a> -<span class="sourceLineNo">274</span> * Makes a Key with highest possible Timestamp, empty row and column. No<a name="line.274"></a> -<span class="sourceLineNo">275</span> * key can be equal or lower than this one in memstore or in store file.<a name="line.275"></a> -<span class="sourceLineNo">276</span> */<a name="line.276"></a> -<span class="sourceLineNo">277</span> public static final KeyValue LOWESTKEY =<a name="line.277"></a> -<span class="sourceLineNo">278</span> new KeyValue(HConstants.EMPTY_BYTE_ARRAY, HConstants.LATEST_TIMESTAMP);<a name="line.278"></a> -<span class="sourceLineNo">279</span><a name="line.279"></a> -<span class="sourceLineNo">280</span> ////<a name="line.280"></a> -<span class="sourceLineNo">281</span> // KeyValue core instance fields.<a name="line.281"></a> -<span class="sourceLineNo">282</span> protected byte [] bytes = null; // an immutable byte array that contains the KV<a name="line.282"></a> -<span class="sourceLineNo">283</span> protected int offset = 0; // offset into bytes buffer KV starts at<a name="line.283"></a> -<span class="sourceLineNo">284</span> protected int length = 0; // length of the KV starting from offset.<a name="line.284"></a> -<span class="sourceLineNo">285</span><a name="line.285"></a> -<span class="sourceLineNo">286</span> /** Here be dragons **/<a name="line.286"></a> -<span class="sourceLineNo">287</span><a name="line.287"></a> -<span class="sourceLineNo">288</span> /**<a name="line.288"></a> -<span class="sourceLineNo">289</span> * used to achieve atomic operations in the memstore.<a name="line.289"></a> -<span class="sourceLineNo">290</span> */<a name="line.290"></a> -<span class="sourceLineNo">291</span> @Override<a name="line.291"></a> -<span class="sourceLineNo">292</span> public long getSequenceId() {<a name="line.292"></a> -<span class="sourceLineNo">293</span> return seqId;<a name="line.293"></a> -<span class="sourceLineNo">294</span> }<a name="line.294"></a> -<span class="sourceLineNo">295</span><a name="line.295"></a> -<span class="sourceLineNo">296</span> @Override<a name="line.296"></a> -<span class="sourceLineNo">297</span> public void setSequenceId(long seqId) {<a name="line.297"></a> -<span class="sourceLineNo">298</span> this.seqId = seqId;<a name="line.298"></a> -<span class="sourceLineNo">299</span> }<a name="line.299"></a> +<span class="sourceLineNo">236</span> private final byte code;<a name="line.236"></a> +<span class="sourceLineNo">237</span><a name="line.237"></a> +<span class="sourceLineNo">238</span> Type(final byte c) {<a name="line.238"></a> +<span class="sourceLineNo">239</span> this.code = c;<a name="line.239"></a> +<span class="sourceLineNo">240</span> }<a name="line.240"></a> +<span class="sourceLineNo">241</span><a name="line.241"></a> +<span class="sourceLineNo">242</span> public byte getCode() {<a name="line.242"></a> +<span class="sourceLineNo">243</span> return this.code;<a name="line.243"></a> +<span class="sourceLineNo">244</span> }<a name="line.244"></a> +<span class="sourceLineNo">245</span><a name="line.245"></a> +<span class="sourceLineNo">246</span> private static Type[] codeArray = new Type[256];<a name="line.246"></a> +<span class="sourceLineNo">247</span><a name="line.247"></a> +<span class="sourceLineNo">248</span> static {<a name="line.248"></a> +<span class="sourceLineNo">249</span> for (Type t : Type.values()) {<a name="line.249"></a> +<span class="sourceLineNo">250</span> codeArray[t.code & 0xff] = t;<a name="line.250"></a> +<span class="sourceLineNo">251</span> }<a name="line.251"></a> +<span class="sourceLineNo">252</span> }<a name="line.252"></a> +<span class="sourceLineNo">253</span><a name="line.253"></a> +<span class="sourceLineNo">254</span> /**<a name="line.254"></a> +<span class="sourceLineNo">255</span> * Cannot rely on enum ordinals . They change if item is removed or moved.<a name="line.255"></a> +<span class="sourceLineNo">256</span> * Do our own codes.<a name="line.256"></a> +<span class="sourceLineNo">257</span> * @param b<a name="line.257"></a> +<span class="sourceLineNo">258</span> * @return Type associated with passed code.<a name="line.258"></a> +<span class="sourceLineNo">259</span> */<a name="line.259"></a> +<span class="sourceLineNo">260</span> public static Type codeToType(final byte b) {<a name="line.260"></a> +<span class="sourceLineNo">261</span> Type t = codeArray[b & 0xff];<a name="line.261"></a> +<span class="sourceLineNo">262</span> if (t != null) {<a name="line.262"></a> +<span class="sourceLineNo">263</span> return t;<a name="line.263"></a> +<span class="sourceLineNo">264</span> }<a name="line.264"></a> +<span class="sourceLineNo">265</span> throw new RuntimeException("Unknown code " + b);<a name="line.265"></a> +<span class="sourceLineNo">266</span> }<a name="line.266"></a> +<span class="sourceLineNo">267</span> }<a name="line.267"></a> +<span class="sourceLineNo">268</span><a name="line.268"></a> +<span class="sourceLineNo">269</span> /**<a name="line.269"></a> +<span class="sourceLineNo">270</span> * Lowest possible key.<a name="line.270"></a> +<span class="sourceLineNo">271</span> * Makes a Key with highest possible Timestamp, empty row and column. No<a name="line.271"></a> +<span class="sourceLineNo">272</span> * key can be equal or lower than this one in memstore or in store file.<a name="line.272"></a> +<span class="sourceLineNo">273</span> */<a name="line.273"></a> +<span class="sourceLineNo">274</span> public static final KeyValue LOWESTKEY =<a name="line.274"></a> +<span class="sourceLineNo">275</span> new KeyValue(HConstants.EMPTY_BYTE_ARRAY, HConstants.LATEST_TIMESTAMP);<a name="line.275"></a> +<span class="sourceLineNo">276</span><a name="line.276"></a> +<span class="sourceLineNo">277</span> ////<a name="line.277"></a> +<span class="sourceLineNo">278</span> // KeyValue core instance fields.<a name="line.278"></a> +<span class="sourceLineNo">279</span> protected byte [] bytes = null; // an immutable byte array that contains the KV<a name="line.279"></a> +<span class="sourceLineNo">280</span> protected int offset = 0; // offset into bytes buffer KV starts at<a name="line.280"></a> +<span class="sourceLineNo">281</span> 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class="sourceLineNo">388</span><a name="line.388"></a> -<span class="sourceLineNo">389</span> /**<a name="line.389"></a> -<span class="sourceLineNo">390</span> * Constructs KeyValue structure as a put filled with specified values and<a name="line.390"></a> -<span class="sourceLineNo">391</span> * LATEST_TIMESTAMP.<a name="line.391"></a> -<span class="sourceLineNo">392</span> * @param row - row key (arbitrary byte array)<a name="line.392"></a> -<span class="sourceLineNo">393</span> * @param family family name<a name="line.393"></a> -<span class="sourceLineNo">394</span> * @param qualifier column qualifier<a name="line.394"></a> -<span class="sourceLineNo">395</span> */<a name="line.395"></a> -<span class="sourceLineNo">396</span> public KeyValue(final byte [] row, final byte [] family,<a name="line.396"></a> -<span class="sourceLineNo">397</span> final byte [] qualifier, final byte [] value) {<a name="line.397"></a> -<span class="sourceLineNo">398</span> this(row, family, qualifier, 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name="line.610"></a> -<span class="sourceLineNo">611</span> final Tag[] tags) {<a name="line.611"></a> -<span class="sourceLineNo">612</span> this.bytes = buffer;<a name="line.612"></a> -<span class="sourceLineNo">613</span> this.length = writeByteArray(buffer, boffset,<a name="line.613"></a> -<span class="sourceLineNo">614</span> row, roffset, rlength,<a name="line.614"></a> -<span class="sourceLineNo">615</span> family, foffset, flength, qualifier, qoffset, qlength,<a name="line.615"></a> -<span class="sourceLineNo">616</span> timestamp, type, value, voffset, vlength, tags);<a name="line.616"></a> -<span class="sourceLineNo">617</span> this.offset = boffset;<a name="line.617"></a> -<span class="sourceLineNo">618</span> }<a name="line.618"></a> -<span class="sourceLineNo">619</span><a name="line.619"></a> -<span class="sourceLineNo">620</span> /**<a name="line.620"></a> -<span class="sourceLineNo">621</span> * Constructs KeyValue structure filled with specified values.<a 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<TRUNCATED>