http://git-wip-us.apache.org/repos/asf/hbase-site/blob/67a6e2ec/apidocs/src-html/org/apache/hadoop/hbase/client/AsyncTable.html
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diff --git a/apidocs/src-html/org/apache/hadoop/hbase/client/AsyncTable.html 
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index b125ade..c2c122a 100644
--- a/apidocs/src-html/org/apache/hadoop/hbase/client/AsyncTable.html
+++ b/apidocs/src-html/org/apache/hadoop/hbase/client/AsyncTable.html
@@ -25,58 +25,602 @@
 <span class="sourceLineNo">017</span> */<a name="line.17"></a>
 <span class="sourceLineNo">018</span>package org.apache.hadoop.hbase.client;<a 
name="line.18"></a>
 <span class="sourceLineNo">019</span><a name="line.19"></a>
-<span class="sourceLineNo">020</span>import 
org.apache.yetus.audience.InterfaceAudience;<a name="line.20"></a>
-<span class="sourceLineNo">021</span><a name="line.21"></a>
-<span class="sourceLineNo">022</span>/**<a name="line.22"></a>
-<span class="sourceLineNo">023</span> * The asynchronous table for normal 
users.<a name="line.23"></a>
-<span class="sourceLineNo">024</span> * &lt;p&gt;<a name="line.24"></a>
-<span class="sourceLineNo">025</span> * The implementation is required to be 
thread safe.<a name="line.25"></a>
-<span class="sourceLineNo">026</span> * &lt;p&gt;<a name="line.26"></a>
-<span class="sourceLineNo">027</span> * The implementation should make sure 
that user can do everything they want to the returned<a name="line.27"></a>
-<span class="sourceLineNo">028</span> * {@code CompletableFuture} without 
breaking anything. Usually the implementation will require user<a 
name="line.28"></a>
-<span class="sourceLineNo">029</span> * to provide a {@code 
ExecutorService}.<a name="line.29"></a>
-<span class="sourceLineNo">030</span> * @since 2.0.0<a name="line.30"></a>
-<span class="sourceLineNo">031</span> */<a name="line.31"></a>
-<span class="sourceLineNo">032</span>@InterfaceAudience.Public<a 
name="line.32"></a>
-<span class="sourceLineNo">033</span>public interface AsyncTable extends 
AsyncTableBase {<a name="line.33"></a>
-<span class="sourceLineNo">034</span><a name="line.34"></a>
-<span class="sourceLineNo">035</span>  /**<a name="line.35"></a>
-<span class="sourceLineNo">036</span>   * Gets a scanner on the current table 
for the given family.<a name="line.36"></a>
-<span class="sourceLineNo">037</span>   * @param family The column family to 
scan.<a name="line.37"></a>
-<span class="sourceLineNo">038</span>   * @return A scanner.<a 
name="line.38"></a>
-<span class="sourceLineNo">039</span>   */<a name="line.39"></a>
-<span class="sourceLineNo">040</span>  default ResultScanner getScanner(byte[] 
family) {<a name="line.40"></a>
-<span class="sourceLineNo">041</span>    return getScanner(new 
Scan().addFamily(family));<a name="line.41"></a>
-<span class="sourceLineNo">042</span>  }<a name="line.42"></a>
-<span class="sourceLineNo">043</span><a name="line.43"></a>
-<span class="sourceLineNo">044</span>  /**<a name="line.44"></a>
-<span class="sourceLineNo">045</span>   * Gets a scanner on the current table 
for the given family and qualifier.<a name="line.45"></a>
-<span class="sourceLineNo">046</span>   * @param family The column family to 
scan.<a name="line.46"></a>
-<span class="sourceLineNo">047</span>   * @param qualifier The column 
qualifier to scan.<a name="line.47"></a>
-<span class="sourceLineNo">048</span>   * @return A scanner.<a 
name="line.48"></a>
-<span class="sourceLineNo">049</span>   */<a name="line.49"></a>
-<span class="sourceLineNo">050</span>  default ResultScanner getScanner(byte[] 
family, byte[] qualifier) {<a name="line.50"></a>
-<span class="sourceLineNo">051</span>    return getScanner(new 
Scan().addColumn(family, qualifier));<a name="line.51"></a>
-<span class="sourceLineNo">052</span>  }<a name="line.52"></a>
-<span class="sourceLineNo">053</span><a name="line.53"></a>
-<span class="sourceLineNo">054</span>  /**<a name="line.54"></a>
-<span class="sourceLineNo">055</span>   * Returns a scanner on the current 
table as specified by the {@link Scan} object.<a name="line.55"></a>
-<span class="sourceLineNo">056</span>   * @param scan A configured {@link 
Scan} object.<a name="line.56"></a>
-<span class="sourceLineNo">057</span>   * @return A scanner.<a 
name="line.57"></a>
-<span class="sourceLineNo">058</span>   */<a name="line.58"></a>
-<span class="sourceLineNo">059</span>  ResultScanner getScanner(Scan scan);<a 
name="line.59"></a>
-<span class="sourceLineNo">060</span><a name="line.60"></a>
-<span class="sourceLineNo">061</span>  /**<a name="line.61"></a>
-<span class="sourceLineNo">062</span>   * The scan API uses the observer 
pattern. All results that match the given scan object will be<a 
name="line.62"></a>
-<span class="sourceLineNo">063</span>   * passed to the given {@code consumer} 
by calling {@link ScanResultConsumer#onNext(Result)}.<a name="line.63"></a>
-<span class="sourceLineNo">064</span>   * {@link 
ScanResultConsumer#onComplete()} means the scan is finished, and<a 
name="line.64"></a>
-<span class="sourceLineNo">065</span>   * {@link 
ScanResultConsumer#onError(Throwable)} means we hit an unrecoverable error and 
the scan<a name="line.65"></a>
-<span class="sourceLineNo">066</span>   * is terminated.<a name="line.66"></a>
-<span class="sourceLineNo">067</span>   * @param scan A configured {@link 
Scan} object.<a name="line.67"></a>
-<span class="sourceLineNo">068</span>   * @param consumer the consumer used to 
receive results.<a name="line.68"></a>
-<span class="sourceLineNo">069</span>   */<a name="line.69"></a>
-<span class="sourceLineNo">070</span>  void scan(Scan scan, ScanResultConsumer 
consumer);<a name="line.70"></a>
-<span class="sourceLineNo">071</span>}<a name="line.71"></a>
+<span class="sourceLineNo">020</span>import static 
java.util.stream.Collectors.toList;<a name="line.20"></a>
+<span class="sourceLineNo">021</span>import static 
org.apache.hadoop.hbase.client.ConnectionUtils.allOf;<a name="line.21"></a>
+<span class="sourceLineNo">022</span>import static 
org.apache.hadoop.hbase.client.ConnectionUtils.toCheckExistenceOnly;<a 
name="line.22"></a>
+<span class="sourceLineNo">023</span><a name="line.23"></a>
+<span class="sourceLineNo">024</span>import com.google.protobuf.RpcChannel;<a 
name="line.24"></a>
+<span class="sourceLineNo">025</span><a name="line.25"></a>
+<span class="sourceLineNo">026</span>import java.util.List;<a 
name="line.26"></a>
+<span class="sourceLineNo">027</span>import 
java.util.concurrent.CompletableFuture;<a name="line.27"></a>
+<span class="sourceLineNo">028</span>import java.util.concurrent.TimeUnit;<a 
name="line.28"></a>
+<span class="sourceLineNo">029</span>import java.util.function.Function;<a 
name="line.29"></a>
+<span class="sourceLineNo">030</span><a name="line.30"></a>
+<span class="sourceLineNo">031</span>import 
org.apache.hadoop.conf.Configuration;<a name="line.31"></a>
+<span class="sourceLineNo">032</span>import 
org.apache.hadoop.hbase.CompareOperator;<a name="line.32"></a>
+<span class="sourceLineNo">033</span>import 
org.apache.hadoop.hbase.TableName;<a name="line.33"></a>
+<span class="sourceLineNo">034</span>import 
org.apache.hadoop.hbase.util.Bytes;<a name="line.34"></a>
+<span class="sourceLineNo">035</span>import 
org.apache.yetus.audience.InterfaceAudience;<a name="line.35"></a>
+<span class="sourceLineNo">036</span><a name="line.36"></a>
+<span class="sourceLineNo">037</span>import 
org.apache.hadoop.hbase.shaded.com.google.common.base.Preconditions;<a 
name="line.37"></a>
+<span class="sourceLineNo">038</span><a name="line.38"></a>
+<span class="sourceLineNo">039</span>/**<a name="line.39"></a>
+<span class="sourceLineNo">040</span> * The interface for asynchronous version 
of Table. Obtain an instance from a<a name="line.40"></a>
+<span class="sourceLineNo">041</span> * {@link AsyncConnection}.<a 
name="line.41"></a>
+<span class="sourceLineNo">042</span> * &lt;p&gt;<a name="line.42"></a>
+<span class="sourceLineNo">043</span> * The implementation is required to be 
thread safe.<a name="line.43"></a>
+<span class="sourceLineNo">044</span> * &lt;p&gt;<a name="line.44"></a>
+<span class="sourceLineNo">045</span> * Usually the implementation will not 
throw any exception directly. You need to get the exception<a 
name="line.45"></a>
+<span class="sourceLineNo">046</span> * from the returned {@link 
CompletableFuture}.<a name="line.46"></a>
+<span class="sourceLineNo">047</span> * @since 2.0.0<a name="line.47"></a>
+<span class="sourceLineNo">048</span> */<a name="line.48"></a>
+<span class="sourceLineNo">049</span>@InterfaceAudience.Public<a 
name="line.49"></a>
+<span class="sourceLineNo">050</span>public interface AsyncTable&lt;C extends 
ScanResultConsumerBase&gt; {<a name="line.50"></a>
+<span class="sourceLineNo">051</span><a name="line.51"></a>
+<span class="sourceLineNo">052</span>  /**<a name="line.52"></a>
+<span class="sourceLineNo">053</span>   * Gets the fully qualified table name 
instance of this table.<a name="line.53"></a>
+<span class="sourceLineNo">054</span>   */<a name="line.54"></a>
+<span class="sourceLineNo">055</span>  TableName getName();<a 
name="line.55"></a>
+<span class="sourceLineNo">056</span><a name="line.56"></a>
+<span class="sourceLineNo">057</span>  /**<a name="line.57"></a>
+<span class="sourceLineNo">058</span>   * Returns the {@link 
org.apache.hadoop.conf.Configuration} object used by this instance.<a 
name="line.58"></a>
+<span class="sourceLineNo">059</span>   * &lt;p&gt;<a name="line.59"></a>
+<span class="sourceLineNo">060</span>   * The reference returned is not a 
copy, so any change made to it will affect this instance.<a name="line.60"></a>
+<span class="sourceLineNo">061</span>   */<a name="line.61"></a>
+<span class="sourceLineNo">062</span>  Configuration getConfiguration();<a 
name="line.62"></a>
+<span class="sourceLineNo">063</span><a name="line.63"></a>
+<span class="sourceLineNo">064</span>  /**<a name="line.64"></a>
+<span class="sourceLineNo">065</span>   * Get timeout of each rpc request in 
this Table instance. It will be overridden by a more<a name="line.65"></a>
+<span class="sourceLineNo">066</span>   * specific rpc timeout config such as 
readRpcTimeout or writeRpcTimeout.<a name="line.66"></a>
+<span class="sourceLineNo">067</span>   * @see #getReadRpcTimeout(TimeUnit)<a 
name="line.67"></a>
+<span class="sourceLineNo">068</span>   * @see #getWriteRpcTimeout(TimeUnit)<a 
name="line.68"></a>
+<span class="sourceLineNo">069</span>   * @param unit the unit of time the 
timeout to be represented in<a name="line.69"></a>
+<span class="sourceLineNo">070</span>   * @return rpc timeout in the specified 
time unit<a name="line.70"></a>
+<span class="sourceLineNo">071</span>   */<a name="line.71"></a>
+<span class="sourceLineNo">072</span>  long getRpcTimeout(TimeUnit unit);<a 
name="line.72"></a>
+<span class="sourceLineNo">073</span><a name="line.73"></a>
+<span class="sourceLineNo">074</span>  /**<a name="line.74"></a>
+<span class="sourceLineNo">075</span>   * Get timeout of each rpc read request 
in this Table instance.<a name="line.75"></a>
+<span class="sourceLineNo">076</span>   * @param unit the unit of time the 
timeout to be represented in<a name="line.76"></a>
+<span class="sourceLineNo">077</span>   * @return read rpc timeout in the 
specified time unit<a name="line.77"></a>
+<span class="sourceLineNo">078</span>   */<a name="line.78"></a>
+<span class="sourceLineNo">079</span>  long getReadRpcTimeout(TimeUnit 
unit);<a name="line.79"></a>
+<span class="sourceLineNo">080</span><a name="line.80"></a>
+<span class="sourceLineNo">081</span>  /**<a name="line.81"></a>
+<span class="sourceLineNo">082</span>   * Get timeout of each rpc write 
request in this Table instance.<a name="line.82"></a>
+<span class="sourceLineNo">083</span>   * @param unit the unit of time the 
timeout to be represented in<a name="line.83"></a>
+<span class="sourceLineNo">084</span>   * @return write rpc timeout in the 
specified time unit<a name="line.84"></a>
+<span class="sourceLineNo">085</span>   */<a name="line.85"></a>
+<span class="sourceLineNo">086</span>  long getWriteRpcTimeout(TimeUnit 
unit);<a name="line.86"></a>
+<span class="sourceLineNo">087</span><a name="line.87"></a>
+<span class="sourceLineNo">088</span>  /**<a name="line.88"></a>
+<span class="sourceLineNo">089</span>   * Get timeout of each operation in 
Table instance.<a name="line.89"></a>
+<span class="sourceLineNo">090</span>   * @param unit the unit of time the 
timeout to be represented in<a name="line.90"></a>
+<span class="sourceLineNo">091</span>   * @return operation rpc timeout in the 
specified time unit<a name="line.91"></a>
+<span class="sourceLineNo">092</span>   */<a name="line.92"></a>
+<span class="sourceLineNo">093</span>  long getOperationTimeout(TimeUnit 
unit);<a name="line.93"></a>
+<span class="sourceLineNo">094</span><a name="line.94"></a>
+<span class="sourceLineNo">095</span>  /**<a name="line.95"></a>
+<span class="sourceLineNo">096</span>   * Get the timeout of a single 
operation in a scan. It works like operation timeout for other<a 
name="line.96"></a>
+<span class="sourceLineNo">097</span>   * operations.<a name="line.97"></a>
+<span class="sourceLineNo">098</span>   * @param unit the unit of time the 
timeout to be represented in<a name="line.98"></a>
+<span class="sourceLineNo">099</span>   * @return scan rpc timeout in the 
specified time unit<a name="line.99"></a>
+<span class="sourceLineNo">100</span>   */<a name="line.100"></a>
+<span class="sourceLineNo">101</span>  long getScanTimeout(TimeUnit unit);<a 
name="line.101"></a>
+<span class="sourceLineNo">102</span><a name="line.102"></a>
+<span class="sourceLineNo">103</span>  /**<a name="line.103"></a>
+<span class="sourceLineNo">104</span>   * Test for the existence of columns in 
the table, as specified by the Get.<a name="line.104"></a>
+<span class="sourceLineNo">105</span>   * &lt;p&gt;<a name="line.105"></a>
+<span class="sourceLineNo">106</span>   * This will return true if the Get 
matches one or more keys, false if not.<a name="line.106"></a>
+<span class="sourceLineNo">107</span>   * &lt;p&gt;<a name="line.107"></a>
+<span class="sourceLineNo">108</span>   * This is a server-side call so it 
prevents any data from being transfered to the client.<a name="line.108"></a>
+<span class="sourceLineNo">109</span>   * @return true if the specified Get 
matches one or more keys, false if not. The return value will<a 
name="line.109"></a>
+<span class="sourceLineNo">110</span>   *         be wrapped by a {@link 
CompletableFuture}.<a name="line.110"></a>
+<span class="sourceLineNo">111</span>   */<a name="line.111"></a>
+<span class="sourceLineNo">112</span>  default 
CompletableFuture&lt;Boolean&gt; exists(Get get) {<a name="line.112"></a>
+<span class="sourceLineNo">113</span>    return 
get(toCheckExistenceOnly(get)).thenApply(r -&gt; r.getExists());<a 
name="line.113"></a>
+<span class="sourceLineNo">114</span>  }<a name="line.114"></a>
+<span class="sourceLineNo">115</span><a name="line.115"></a>
+<span class="sourceLineNo">116</span>  /**<a name="line.116"></a>
+<span class="sourceLineNo">117</span>   * Extracts certain cells from a given 
row.<a name="line.117"></a>
+<span class="sourceLineNo">118</span>   * @param get The object that specifies 
what data to fetch and from which row.<a name="line.118"></a>
+<span class="sourceLineNo">119</span>   * @return The data coming from the 
specified row, if it exists. If the row specified doesn't<a name="line.119"></a>
+<span class="sourceLineNo">120</span>   *         exist, the {@link Result} 
instance returned won't contain any<a name="line.120"></a>
+<span class="sourceLineNo">121</span>   *         {@link 
org.apache.hadoop.hbase.KeyValue}, as indicated by {@link Result#isEmpty()}. 
The<a name="line.121"></a>
+<span class="sourceLineNo">122</span>   *         return value will be wrapped 
by a {@link CompletableFuture}.<a name="line.122"></a>
+<span class="sourceLineNo">123</span>   */<a name="line.123"></a>
+<span class="sourceLineNo">124</span>  CompletableFuture&lt;Result&gt; get(Get 
get);<a name="line.124"></a>
+<span class="sourceLineNo">125</span><a name="line.125"></a>
+<span class="sourceLineNo">126</span>  /**<a name="line.126"></a>
+<span class="sourceLineNo">127</span>   * Puts some data to the table.<a 
name="line.127"></a>
+<span class="sourceLineNo">128</span>   * @param put The data to put.<a 
name="line.128"></a>
+<span class="sourceLineNo">129</span>   * @return A {@link CompletableFuture} 
that always returns null when complete normally.<a name="line.129"></a>
+<span class="sourceLineNo">130</span>   */<a name="line.130"></a>
+<span class="sourceLineNo">131</span>  CompletableFuture&lt;Void&gt; put(Put 
put);<a name="line.131"></a>
+<span class="sourceLineNo">132</span><a name="line.132"></a>
+<span class="sourceLineNo">133</span>  /**<a name="line.133"></a>
+<span class="sourceLineNo">134</span>   * Deletes the specified cells/row.<a 
name="line.134"></a>
+<span class="sourceLineNo">135</span>   * @param delete The object that 
specifies what to delete.<a name="line.135"></a>
+<span class="sourceLineNo">136</span>   * @return A {@link CompletableFuture} 
that always returns null when complete normally.<a name="line.136"></a>
+<span class="sourceLineNo">137</span>   */<a name="line.137"></a>
+<span class="sourceLineNo">138</span>  CompletableFuture&lt;Void&gt; 
delete(Delete delete);<a name="line.138"></a>
+<span class="sourceLineNo">139</span><a name="line.139"></a>
+<span class="sourceLineNo">140</span>  /**<a name="line.140"></a>
+<span class="sourceLineNo">141</span>   * Appends values to one or more 
columns within a single row.<a name="line.141"></a>
+<span class="sourceLineNo">142</span>   * &lt;p&gt;<a name="line.142"></a>
+<span class="sourceLineNo">143</span>   * This operation does not appear 
atomic to readers. Appends are done under a single row lock, so<a 
name="line.143"></a>
+<span class="sourceLineNo">144</span>   * write operations to a row are 
synchronized, but readers do not take row locks so get and scan<a 
name="line.144"></a>
+<span class="sourceLineNo">145</span>   * operations can see this operation 
partially completed.<a name="line.145"></a>
+<span class="sourceLineNo">146</span>   * @param append object that specifies 
the columns and amounts to be used for the increment<a name="line.146"></a>
+<span class="sourceLineNo">147</span>   *          operations<a 
name="line.147"></a>
+<span class="sourceLineNo">148</span>   * @return values of columns after the 
append operation (maybe null). The return value will be<a name="line.148"></a>
+<span class="sourceLineNo">149</span>   *         wrapped by a {@link 
CompletableFuture}.<a name="line.149"></a>
+<span class="sourceLineNo">150</span>   */<a name="line.150"></a>
+<span class="sourceLineNo">151</span>  CompletableFuture&lt;Result&gt; 
append(Append append);<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>   * Increments one or more columns 
within a single row.<a name="line.154"></a>
+<span class="sourceLineNo">155</span>   * &lt;p&gt;<a name="line.155"></a>
+<span class="sourceLineNo">156</span>   * This operation does not appear 
atomic to readers. Increments are done under a single row lock,<a 
name="line.156"></a>
+<span class="sourceLineNo">157</span>   * so write operations to a row are 
synchronized, but readers do not take row locks so get and<a 
name="line.157"></a>
+<span class="sourceLineNo">158</span>   * scan operations can see this 
operation partially completed.<a name="line.158"></a>
+<span class="sourceLineNo">159</span>   * @param increment object that 
specifies the columns and amounts to be used for the increment<a 
name="line.159"></a>
+<span class="sourceLineNo">160</span>   *          operations<a 
name="line.160"></a>
+<span class="sourceLineNo">161</span>   * @return values of columns after the 
increment. The return value will be wrapped by a<a name="line.161"></a>
+<span class="sourceLineNo">162</span>   *         {@link CompletableFuture}.<a 
name="line.162"></a>
+<span class="sourceLineNo">163</span>   */<a name="line.163"></a>
+<span class="sourceLineNo">164</span>  CompletableFuture&lt;Result&gt; 
increment(Increment increment);<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>   * See {@link 
#incrementColumnValue(byte[], byte[], byte[], long, Durability)}<a 
name="line.167"></a>
+<span class="sourceLineNo">168</span>   * &lt;p&gt;<a name="line.168"></a>
+<span class="sourceLineNo">169</span>   * The {@link Durability} is defaulted 
to {@link Durability#SYNC_WAL}.<a name="line.169"></a>
+<span class="sourceLineNo">170</span>   * @param row The row that contains the 
cell to increment.<a name="line.170"></a>
+<span class="sourceLineNo">171</span>   * @param family The column family of 
the cell to increment.<a name="line.171"></a>
+<span class="sourceLineNo">172</span>   * @param qualifier The column 
qualifier of the cell to increment.<a name="line.172"></a>
+<span class="sourceLineNo">173</span>   * @param amount The amount to 
increment the cell with (or decrement, if the amount is negative).<a 
name="line.173"></a>
+<span class="sourceLineNo">174</span>   * @return The new value, post 
increment. The return value will be wrapped by a<a name="line.174"></a>
+<span class="sourceLineNo">175</span>   *         {@link CompletableFuture}.<a 
name="line.175"></a>
+<span class="sourceLineNo">176</span>   */<a name="line.176"></a>
+<span class="sourceLineNo">177</span>  default CompletableFuture&lt;Long&gt; 
incrementColumnValue(byte[] row, byte[] family, byte[] qualifier,<a 
name="line.177"></a>
+<span class="sourceLineNo">178</span>      long amount) {<a 
name="line.178"></a>
+<span class="sourceLineNo">179</span>    return incrementColumnValue(row, 
family, qualifier, amount, Durability.SYNC_WAL);<a name="line.179"></a>
+<span class="sourceLineNo">180</span>  }<a name="line.180"></a>
+<span class="sourceLineNo">181</span><a name="line.181"></a>
+<span class="sourceLineNo">182</span>  /**<a name="line.182"></a>
+<span class="sourceLineNo">183</span>   * Atomically increments a column 
value. If the column value already exists and is not a<a name="line.183"></a>
+<span class="sourceLineNo">184</span>   * big-endian long, this could throw an 
exception. If the column value does not yet exist it is<a name="line.184"></a>
+<span class="sourceLineNo">185</span>   * initialized to 
&lt;code&gt;amount&lt;/code&gt; and written to the specified column.<a 
name="line.185"></a>
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+<span class="sourceLineNo">187</span>   * Setting durability to {@link 
Durability#SKIP_WAL} means that in a fail scenario you will lose<a 
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flushed.<a name="line.188"></a>
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cell to increment.<a name="line.189"></a>
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the cell to increment.<a name="line.190"></a>
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qualifier of the cell to increment.<a name="line.191"></a>
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increment the cell with (or decrement, if the amount is negative).<a 
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guarantee for this increment.<a name="line.193"></a>
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increment. The return value will be wrapped by a<a name="line.194"></a>
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name="line.195"></a>
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incrementColumnValue(byte[] row, byte[] family, byte[] qualifier,<a 
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+<span class="sourceLineNo">198</span>      long amount, Durability durability) 
{<a name="line.198"></a>
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"family is null");<a name="line.200"></a>
+<span class="sourceLineNo">201</span>    return increment(<a 
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Increment(row).addColumn(family, qualifier, 
amount).setDurability(durability))<a name="line.202"></a>
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Bytes.toLong(r.getValue(family, qualifier)));<a name="line.203"></a>
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+<span class="sourceLineNo">205</span><a name="line.205"></a>
+<span class="sourceLineNo">206</span>  /**<a name="line.206"></a>
+<span class="sourceLineNo">207</span>   * Atomically checks if a 
row/family/qualifier value matches the expected value. If it does, it<a 
name="line.207"></a>
+<span class="sourceLineNo">208</span>   * adds the Put/Delete/RowMutations.<a 
name="line.208"></a>
+<span class="sourceLineNo">209</span>   * &lt;p&gt;<a name="line.209"></a>
+<span class="sourceLineNo">210</span>   * Use the returned {@link 
CheckAndMutateBuilder} to construct your request and then execute it.<a 
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+<span class="sourceLineNo">211</span>   * This is a fluent style API, the code 
is like:<a name="line.211"></a>
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+<span class="sourceLineNo">213</span>   * &lt;pre&gt;<a name="line.213"></a>
+<span class="sourceLineNo">214</span>   * &lt;code&gt;<a name="line.214"></a>
+<span class="sourceLineNo">215</span>   * table.checkAndMutate(row, 
family).qualifier(qualifier).ifNotExists().thenPut(put)<a name="line.215"></a>
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+<span class="sourceLineNo">217</span>   *       if (succ) {<a 
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+<span class="sourceLineNo">219</span>   *       } else {<a name="line.219"></a>
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and put failed");<a name="line.220"></a>
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+<span class="sourceLineNo">222</span>   *     });<a name="line.222"></a>
+<span class="sourceLineNo">223</span>   * &lt;/code&gt;<a name="line.223"></a>
+<span class="sourceLineNo">224</span>   * &lt;/pre&gt;<a name="line.224"></a>
+<span class="sourceLineNo">225</span>   */<a name="line.225"></a>
+<span class="sourceLineNo">226</span>  CheckAndMutateBuilder 
checkAndMutate(byte[] row, byte[] family);<a name="line.226"></a>
+<span class="sourceLineNo">227</span><a name="line.227"></a>
+<span class="sourceLineNo">228</span>  /**<a name="line.228"></a>
+<span class="sourceLineNo">229</span>   * A helper class for sending 
checkAndMutate request.<a name="line.229"></a>
+<span class="sourceLineNo">230</span>   */<a name="line.230"></a>
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qualifier(byte[] qualifier);<a name="line.236"></a>
+<span class="sourceLineNo">237</span><a name="line.237"></a>
+<span class="sourceLineNo">238</span>    /**<a name="line.238"></a>
+<span class="sourceLineNo">239</span>     * Check for lack of column.<a 
name="line.239"></a>
+<span class="sourceLineNo">240</span>     */<a name="line.240"></a>
+<span class="sourceLineNo">241</span>    CheckAndMutateBuilder 
ifNotExists();<a name="line.241"></a>
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ifEquals(byte[] value) {<a name="line.243"></a>
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ifMatches(CompareOperator.EQUAL, value);<a name="line.244"></a>
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+<span class="sourceLineNo">246</span><a name="line.246"></a>
+<span class="sourceLineNo">247</span>    /**<a name="line.247"></a>
+<span class="sourceLineNo">248</span>     * @param compareOp comparison 
operator to use<a name="line.248"></a>
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name="line.249"></a>
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ifMatches(CompareOperator compareOp, byte[] value);<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>     * @param put data to put if check 
succeeds<a name="line.254"></a>
+<span class="sourceLineNo">255</span>     * @return {@code true} if the new 
put was executed, {@code false} otherwise. The return value<a 
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{@link CompletableFuture}.<a name="line.256"></a>
+<span class="sourceLineNo">257</span>     */<a name="line.257"></a>
+<span class="sourceLineNo">258</span>    CompletableFuture&lt;Boolean&gt; 
thenPut(Put put);<a name="line.258"></a>
+<span class="sourceLineNo">259</span><a name="line.259"></a>
+<span class="sourceLineNo">260</span>    /**<a name="line.260"></a>
+<span class="sourceLineNo">261</span>     * @param delete data to delete if 
check succeeds<a name="line.261"></a>
+<span class="sourceLineNo">262</span>     * @return {@code true} if the new 
delete was executed, {@code false} otherwise. The return<a name="line.262"></a>
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{@link CompletableFuture}.<a name="line.263"></a>
+<span class="sourceLineNo">264</span>     */<a name="line.264"></a>
+<span class="sourceLineNo">265</span>    CompletableFuture&lt;Boolean&gt; 
thenDelete(Delete delete);<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>     * @param mutation mutations to 
perform if check succeeds<a name="line.268"></a>
+<span class="sourceLineNo">269</span>     * @return true if the new mutation 
was executed, false otherwise. The return value will be<a name="line.269"></a>
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+<span class="sourceLineNo">271</span>     */<a name="line.271"></a>
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thenMutate(RowMutations mutation);<a name="line.272"></a>
+<span class="sourceLineNo">273</span>  }<a name="line.273"></a>
+<span class="sourceLineNo">274</span><a name="line.274"></a>
+<span class="sourceLineNo">275</span>  /**<a name="line.275"></a>
+<span class="sourceLineNo">276</span>   * Performs multiple mutations 
atomically on a single row. Currently {@link Put} and<a name="line.276"></a>
+<span class="sourceLineNo">277</span>   * {@link Delete} are supported.<a 
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specifies the set of mutations to perform atomically<a name="line.278"></a>
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that always returns null when complete normally.<a name="line.279"></a>
+<span class="sourceLineNo">280</span>   */<a name="line.280"></a>
+<span class="sourceLineNo">281</span>  CompletableFuture&lt;Void&gt; 
mutateRow(RowMutations mutation);<a name="line.281"></a>
+<span class="sourceLineNo">282</span><a name="line.282"></a>
+<span class="sourceLineNo">283</span>  /**<a name="line.283"></a>
+<span class="sourceLineNo">284</span>   * The scan API uses the observer 
pattern.<a name="line.284"></a>
+<span class="sourceLineNo">285</span>   * @param scan A configured {@link 
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+<span class="sourceLineNo">286</span>   * @param consumer the consumer used to 
receive results.<a name="line.286"></a>
+<span class="sourceLineNo">287</span>   * @see ScanResultConsumer<a 
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+<span class="sourceLineNo">288</span>   * @see AdvancedScanResultConsumer<a 
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+<span class="sourceLineNo">289</span>   */<a name="line.289"></a>
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+<span class="sourceLineNo">291</span><a name="line.291"></a>
+<span class="sourceLineNo">292</span>  /**<a name="line.292"></a>
+<span class="sourceLineNo">293</span>   * Gets a scanner on the current table 
for the given family.<a name="line.293"></a>
+<span class="sourceLineNo">294</span>   * @param family The column family to 
scan.<a name="line.294"></a>
+<span class="sourceLineNo">295</span>   * @return A scanner.<a 
name="line.295"></a>
+<span class="sourceLineNo">296</span>   */<a name="line.296"></a>
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family) {<a name="line.297"></a>
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Scan().addFamily(family));<a name="line.298"></a>
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+<span class="sourceLineNo">300</span><a name="line.300"></a>
+<span class="sourceLineNo">301</span>  /**<a name="line.301"></a>
+<span class="sourceLineNo">302</span>   * Gets a scanner on the current table 
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+<span class="sourceLineNo">304</span>   * @param qualifier The column 
qualifier to scan.<a name="line.304"></a>
+<span class="sourceLineNo">305</span>   * @return A scanner.<a 
name="line.305"></a>
+<span class="sourceLineNo">306</span>   */<a name="line.306"></a>
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family, byte[] qualifier) {<a name="line.307"></a>
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Scan().addColumn(family, qualifier));<a name="line.308"></a>
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+<span class="sourceLineNo">310</span><a name="line.310"></a>
+<span class="sourceLineNo">311</span>  /**<a name="line.311"></a>
+<span class="sourceLineNo">312</span>   * Returns a scanner on the current 
table as specified by the {@link Scan} object.<a name="line.312"></a>
+<span class="sourceLineNo">313</span>   * @param scan A configured {@link 
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+<span class="sourceLineNo">314</span>   * @return A scanner.<a 
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+<span class="sourceLineNo">315</span>   */<a name="line.315"></a>
+<span class="sourceLineNo">316</span>  ResultScanner getScanner(Scan scan);<a 
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+<span class="sourceLineNo">317</span><a name="line.317"></a>
+<span class="sourceLineNo">318</span>  /**<a name="line.318"></a>
+<span class="sourceLineNo">319</span>   * Return all the results that match 
the given scan object.<a name="line.319"></a>
+<span class="sourceLineNo">320</span>   * &lt;p&gt;<a name="line.320"></a>
+<span class="sourceLineNo">321</span>   * Notice that usually you should use 
this method with a {@link Scan} object that has limit set.<a 
name="line.321"></a>
+<span class="sourceLineNo">322</span>   * For example, if you want to get the 
closest row after a given row, you could do this:<a name="line.322"></a>
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+<span class="sourceLineNo">325</span>   * &lt;pre&gt;<a name="line.325"></a>
+<span class="sourceLineNo">326</span>   * &lt;code&gt;<a name="line.326"></a>
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+<span class="sourceLineNo">330</span>   *   } else {<a name="line.330"></a>
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+<span class="sourceLineNo">332</span>   *         + 
Bytes.toStringBinary(results.stream().findFirst().get().getRow()));<a 
name="line.332"></a>
+<span class="sourceLineNo">333</span>   *   }<a name="line.333"></a>
+<span class="sourceLineNo">334</span>   * });<a name="line.334"></a>
+<span class="sourceLineNo">335</span>   * &lt;/code&gt;<a name="line.335"></a>
+<span class="sourceLineNo">336</span>   * &lt;/pre&gt;<a name="line.336"></a>
+<span class="sourceLineNo">337</span>   * &lt;p&gt;<a name="line.337"></a>
+<span class="sourceLineNo">338</span>   * If your result set is very large, 
you should use other scan method to get a scanner or use<a name="line.338"></a>
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They will do chunking to prevent OOM. The scanAll method will<a 
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in a List and then return the list to you.<a name="line.340"></a>
+<span class="sourceLineNo">341</span>   * &lt;p&gt;<a name="line.341"></a>
+<span class="sourceLineNo">342</span>   * The scan metrics will be collected 
background if you enable it but you have no way to get it.<a 
name="line.342"></a>
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from {@code ResultScanner}, or through<a name="line.343"></a>
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ScanResultConsumer.onScanMetricsCreated} but this method only returns a list of 
results.<a name="line.344"></a>
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metrics then you'd better use other scan methods which return<a 
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pass in a {@code ScanResultConsumer}. There is no<a name="line.346"></a>
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scan methods so do not worry.<a name="line.347"></a>
+<span class="sourceLineNo">348</span>   * @param scan A configured {@link 
Scan} object. So if you use this method to fetch a really large<a 
name="line.348"></a>
+<span class="sourceLineNo">349</span>   *          result set, it is likely to 
cause OOM.<a name="line.349"></a>
+<span class="sourceLineNo">350</span>   * @return The results of this small 
scan operation. The return value will be wrapped by a<a name="line.350"></a>
+<span class="sourceLineNo">351</span>   *         {@link CompletableFuture}.<a 
name="line.351"></a>
+<span class="sourceLineNo">352</span>   */<a name="line.352"></a>
+<span class="sourceLineNo">353</span>  
CompletableFuture&lt;List&lt;Result&gt;&gt; scanAll(Scan scan);<a 
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+<span class="sourceLineNo">355</span>  /**<a name="line.355"></a>
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the table, as specified by the Gets.<a name="line.356"></a>
+<span class="sourceLineNo">357</span>   * &lt;p&gt;<a name="line.357"></a>
+<span class="sourceLineNo">358</span>   * This will return a list of booleans. 
Each value will be true if the related Get matches one or<a name="line.358"></a>
+<span class="sourceLineNo">359</span>   * more keys, false if not.<a 
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+<span class="sourceLineNo">360</span>   * &lt;p&gt;<a name="line.360"></a>
+<span class="sourceLineNo">361</span>   * This is a server-side call so it 
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name="line.362"></a>
+<span class="sourceLineNo">363</span>   * @return A list of {@link 
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+<span class="sourceLineNo">364</span>   */<a name="line.364"></a>
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List&lt;CompletableFuture&lt;Boolean&gt;&gt; exists(List&lt;Get&gt; gets) {<a 
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get(toCheckExistenceOnly(gets)).stream()<a name="line.366"></a>
+<span class="sourceLineNo">367</span>        
.&lt;CompletableFuture&lt;Boolean&gt;&gt; map(f -&gt; f.thenApply(r -&gt; 
r.getExists())).collect(toList());<a name="line.367"></a>
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+<span class="sourceLineNo">369</span><a name="line.369"></a>
+<span class="sourceLineNo">370</span>  /**<a name="line.370"></a>
+<span class="sourceLineNo">371</span>   * A simple version for batch exists. 
It will fail if there are any failures and you will get the<a 
name="line.371"></a>
+<span class="sourceLineNo">372</span>   * whole result boolean list at once if 
the operation is succeeded.<a name="line.372"></a>
+<span class="sourceLineNo">373</span>   * @param gets the Gets<a 
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+<span class="sourceLineNo">374</span>   * @return A {@link CompletableFuture} 
that wrapper the result boolean list.<a name="line.374"></a>
+<span class="sourceLineNo">375</span>   */<a name="line.375"></a>
+<span class="sourceLineNo">376</span>  default 
CompletableFuture&lt;List&lt;Boolean&gt;&gt; existsAll(List&lt;Get&gt; gets) 
{<a name="line.376"></a>
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+<span class="sourceLineNo">378</span>  }<a name="line.378"></a>
+<span class="sourceLineNo">379</span><a name="line.379"></a>
+<span class="sourceLineNo">380</span>  /**<a name="line.380"></a>
+<span class="sourceLineNo">381</span>   * Extracts certain cells from the 
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+<span class="sourceLineNo">382</span>   * &lt;p&gt;<a name="line.382"></a>
+<span class="sourceLineNo">383</span>   * Notice that you may not get all the 
results with this function, which means some of the<a name="line.383"></a>
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may succeed while some of the other returned<a name="line.384"></a>
+<span class="sourceLineNo">385</span>   * {@link CompletableFuture}s may 
fail.<a name="line.385"></a>
+<span class="sourceLineNo">386</span>   * @param gets The objects that specify 
what data to fetch and from which rows.<a name="line.386"></a>
+<span class="sourceLineNo">387</span>   * @return A list of {@link 
CompletableFuture}s that represent the result for each get.<a 
name="line.387"></a>
+<span class="sourceLineNo">388</span>   */<a name="line.388"></a>
+<span class="sourceLineNo">389</span>  
List&lt;CompletableFuture&lt;Result&gt;&gt; get(List&lt;Get&gt; gets);<a 
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+<span class="sourceLineNo">390</span><a name="line.390"></a>
+<span class="sourceLineNo">391</span>  /**<a name="line.391"></a>
+<span class="sourceLineNo">392</span>   * A simple version for batch get. It 
will fail if there are any failures and you will get the<a name="line.392"></a>
+<span class="sourceLineNo">393</span>   * whole result list at once if the 
operation is succeeded.<a name="line.393"></a>
+<span class="sourceLineNo">394</span>   * @param gets The objects that specify 
what data to fetch and from which rows.<a name="line.394"></a>
+<span class="sourceLineNo">395</span>   * @return A {@link CompletableFuture} 
that wrapper the result list.<a name="line.395"></a>
+<span class="sourceLineNo">396</span>   */<a name="line.396"></a>
+<span class="sourceLineNo">397</span>  default 
CompletableFuture&lt;List&lt;Result&gt;&gt; getAll(List&lt;Get&gt; gets) {<a 
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+<span class="sourceLineNo">398</span>    return allOf(get(gets));<a 
name="line.398"></a>
+<span class="sourceLineNo">399</span>  }<a name="line.399"></a>
+<span class="sourceLineNo">400</span><a name="line.400"></a>
+<span class="sourceLineNo">401</span>  /**<a name="line.401"></a>
+<span class="sourceLineNo">402</span>   * Puts some data in the table, in 
batch.<a name="line.402"></a>
+<span class="sourceLineNo">403</span>   * @param puts The list of mutations to 
apply.<a name="line.403"></a>
+<span class="sourceLineNo">404</span>   * @return A list of {@link 
CompletableFuture}s that represent the result for each put.<a 
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