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From git-site-r...@apache.org
Subject [18/30] hbase-site git commit: Published site at .
Date Mon, 18 Sep 2017 15:13:25 GMT
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/2bb8bd01/devapidocs/src-html/org/apache/hadoop/hbase/regionserver/RegionServerCoprocessorHost.RegionServerEnvironment.html
----------------------------------------------------------------------
diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/regionserver/RegionServerCoprocessorHost.RegionServerEnvironment.html b/devapidocs/src-html/org/apache/hadoop/hbase/regionserver/RegionServerCoprocessorHost.RegionServerEnvironment.html
index 36f4c8d..ec36d2e 100644
--- a/devapidocs/src-html/org/apache/hadoop/hbase/regionserver/RegionServerCoprocessorHost.RegionServerEnvironment.html
+++ b/devapidocs/src-html/org/apache/hadoop/hbase/regionserver/RegionServerCoprocessorHost.RegionServerEnvironment.html
@@ -38,395 +38,326 @@
 <span class="sourceLineNo">030</span>import org.apache.hadoop.hbase.Coprocessor;<a name="line.30"></a>
 <span class="sourceLineNo">031</span>import org.apache.hadoop.hbase.CoprocessorEnvironment;<a name="line.31"></a>
 <span class="sourceLineNo">032</span>import org.apache.hadoop.hbase.HBaseInterfaceAudience;<a name="line.32"></a>
-<span class="sourceLineNo">033</span>import org.apache.hadoop.hbase.MetaMutationAnnotation;<a name="line.33"></a>
-<span class="sourceLineNo">034</span>import org.apache.yetus.audience.InterfaceAudience;<a name="line.34"></a>
-<span class="sourceLineNo">035</span>import org.apache.yetus.audience.InterfaceStability;<a name="line.35"></a>
-<span class="sourceLineNo">036</span>import org.apache.hadoop.hbase.client.Mutation;<a name="line.36"></a>
-<span class="sourceLineNo">037</span>import org.apache.hadoop.hbase.coprocessor.CoprocessorHost;<a name="line.37"></a>
-<span class="sourceLineNo">038</span>import org.apache.hadoop.hbase.coprocessor.MetricsCoprocessor;<a name="line.38"></a>
-<span class="sourceLineNo">039</span>import org.apache.hadoop.hbase.coprocessor.ObserverContext;<a name="line.39"></a>
-<span class="sourceLineNo">040</span>import org.apache.hadoop.hbase.coprocessor.RegionServerCoprocessorEnvironment;<a name="line.40"></a>
-<span class="sourceLineNo">041</span>import org.apache.hadoop.hbase.coprocessor.RegionServerObserver;<a name="line.41"></a>
-<span class="sourceLineNo">042</span>import org.apache.hadoop.hbase.coprocessor.SingletonCoprocessorService;<a name="line.42"></a>
-<span class="sourceLineNo">043</span>import org.apache.hadoop.hbase.ipc.RpcServer;<a name="line.43"></a>
-<span class="sourceLineNo">044</span>import org.apache.hadoop.hbase.metrics.MetricRegistry;<a name="line.44"></a>
-<span class="sourceLineNo">045</span>import org.apache.hadoop.hbase.replication.ReplicationEndpoint;<a name="line.45"></a>
-<span class="sourceLineNo">046</span>import org.apache.hadoop.hbase.security.User;<a name="line.46"></a>
-<span class="sourceLineNo">047</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.WALEntry;<a name="line.47"></a>
-<span class="sourceLineNo">048</span><a name="line.48"></a>
-<span class="sourceLineNo">049</span>@InterfaceAudience.LimitedPrivate(HBaseInterfaceAudience.COPROC)<a name="line.49"></a>
-<span class="sourceLineNo">050</span>@InterfaceStability.Evolving<a name="line.50"></a>
-<span class="sourceLineNo">051</span>public class RegionServerCoprocessorHost extends<a name="line.51"></a>
-<span class="sourceLineNo">052</span>    CoprocessorHost&lt;RegionServerCoprocessorHost.RegionServerEnvironment&gt; {<a name="line.52"></a>
+<span class="sourceLineNo">033</span>import org.apache.yetus.audience.InterfaceAudience;<a name="line.33"></a>
+<span class="sourceLineNo">034</span>import org.apache.yetus.audience.InterfaceStability;<a name="line.34"></a>
+<span class="sourceLineNo">035</span>import org.apache.hadoop.hbase.coprocessor.CoprocessorHost;<a name="line.35"></a>
+<span class="sourceLineNo">036</span>import org.apache.hadoop.hbase.coprocessor.MetricsCoprocessor;<a name="line.36"></a>
+<span class="sourceLineNo">037</span>import org.apache.hadoop.hbase.coprocessor.ObserverContext;<a name="line.37"></a>
+<span class="sourceLineNo">038</span>import org.apache.hadoop.hbase.coprocessor.RegionServerCoprocessorEnvironment;<a name="line.38"></a>
+<span class="sourceLineNo">039</span>import org.apache.hadoop.hbase.coprocessor.RegionServerObserver;<a name="line.39"></a>
+<span class="sourceLineNo">040</span>import org.apache.hadoop.hbase.coprocessor.SingletonCoprocessorService;<a name="line.40"></a>
+<span class="sourceLineNo">041</span>import org.apache.hadoop.hbase.ipc.RpcServer;<a name="line.41"></a>
+<span class="sourceLineNo">042</span>import org.apache.hadoop.hbase.metrics.MetricRegistry;<a name="line.42"></a>
+<span class="sourceLineNo">043</span>import org.apache.hadoop.hbase.replication.ReplicationEndpoint;<a name="line.43"></a>
+<span class="sourceLineNo">044</span>import org.apache.hadoop.hbase.security.User;<a name="line.44"></a>
+<span class="sourceLineNo">045</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.WALEntry;<a name="line.45"></a>
+<span class="sourceLineNo">046</span><a name="line.46"></a>
+<span class="sourceLineNo">047</span>@InterfaceAudience.LimitedPrivate(HBaseInterfaceAudience.COPROC)<a name="line.47"></a>
+<span class="sourceLineNo">048</span>@InterfaceStability.Evolving<a name="line.48"></a>
+<span class="sourceLineNo">049</span>public class RegionServerCoprocessorHost extends<a name="line.49"></a>
+<span class="sourceLineNo">050</span>    CoprocessorHost&lt;RegionServerCoprocessorHost.RegionServerEnvironment&gt; {<a name="line.50"></a>
+<span class="sourceLineNo">051</span><a name="line.51"></a>
+<span class="sourceLineNo">052</span>  private static final Log LOG = LogFactory.getLog(RegionServerCoprocessorHost.class);<a name="line.52"></a>
 <span class="sourceLineNo">053</span><a name="line.53"></a>
-<span class="sourceLineNo">054</span>  private static final Log LOG = LogFactory.getLog(RegionServerCoprocessorHost.class);<a name="line.54"></a>
+<span class="sourceLineNo">054</span>  private RegionServerServices rsServices;<a name="line.54"></a>
 <span class="sourceLineNo">055</span><a name="line.55"></a>
-<span class="sourceLineNo">056</span>  private RegionServerServices rsServices;<a name="line.56"></a>
-<span class="sourceLineNo">057</span><a name="line.57"></a>
-<span class="sourceLineNo">058</span>  public RegionServerCoprocessorHost(RegionServerServices rsServices,<a name="line.58"></a>
-<span class="sourceLineNo">059</span>      Configuration conf) {<a name="line.59"></a>
-<span class="sourceLineNo">060</span>    super(rsServices);<a name="line.60"></a>
-<span class="sourceLineNo">061</span>    this.rsServices = rsServices;<a name="line.61"></a>
-<span class="sourceLineNo">062</span>    this.conf = conf;<a name="line.62"></a>
-<span class="sourceLineNo">063</span>    // Log the state of coprocessor loading here; should appear only once or<a name="line.63"></a>
-<span class="sourceLineNo">064</span>    // twice in the daemon log, depending on HBase version, because there is<a name="line.64"></a>
-<span class="sourceLineNo">065</span>    // only one RegionServerCoprocessorHost instance in the RS process<a name="line.65"></a>
-<span class="sourceLineNo">066</span>    boolean coprocessorsEnabled = conf.getBoolean(COPROCESSORS_ENABLED_CONF_KEY,<a name="line.66"></a>
-<span class="sourceLineNo">067</span>      DEFAULT_COPROCESSORS_ENABLED);<a name="line.67"></a>
-<span class="sourceLineNo">068</span>    boolean tableCoprocessorsEnabled = conf.getBoolean(USER_COPROCESSORS_ENABLED_CONF_KEY,<a name="line.68"></a>
-<span class="sourceLineNo">069</span>      DEFAULT_USER_COPROCESSORS_ENABLED);<a name="line.69"></a>
-<span class="sourceLineNo">070</span>    LOG.info("System coprocessor loading is " + (coprocessorsEnabled ? "enabled" : "disabled"));<a name="line.70"></a>
-<span class="sourceLineNo">071</span>    LOG.info("Table coprocessor loading is " +<a name="line.71"></a>
-<span class="sourceLineNo">072</span>      ((coprocessorsEnabled &amp;&amp; tableCoprocessorsEnabled) ? "enabled" : "disabled"));<a name="line.72"></a>
-<span class="sourceLineNo">073</span>    loadSystemCoprocessors(conf, REGIONSERVER_COPROCESSOR_CONF_KEY);<a name="line.73"></a>
-<span class="sourceLineNo">074</span>  }<a name="line.74"></a>
-<span class="sourceLineNo">075</span><a name="line.75"></a>
-<span class="sourceLineNo">076</span>  @Override<a name="line.76"></a>
-<span class="sourceLineNo">077</span>  public RegionServerEnvironment createEnvironment(Class&lt;?&gt; implClass,<a name="line.77"></a>
-<span class="sourceLineNo">078</span>      Coprocessor instance, int priority, int sequence, Configuration conf) {<a name="line.78"></a>
-<span class="sourceLineNo">079</span>    return new RegionServerEnvironment(implClass, instance, priority,<a name="line.79"></a>
-<span class="sourceLineNo">080</span>      sequence, conf, this.rsServices);<a name="line.80"></a>
-<span class="sourceLineNo">081</span>  }<a name="line.81"></a>
-<span class="sourceLineNo">082</span><a name="line.82"></a>
-<span class="sourceLineNo">083</span>  public void preStop(String message, User user) throws IOException {<a name="line.83"></a>
-<span class="sourceLineNo">084</span>    // While stopping the region server all coprocessors method should be executed first then the<a name="line.84"></a>
-<span class="sourceLineNo">085</span>    // coprocessor should be cleaned up.<a name="line.85"></a>
-<span class="sourceLineNo">086</span>    execShutdown(coprocessors.isEmpty() ? null : new CoprocessorOperation(user) {<a name="line.86"></a>
-<span class="sourceLineNo">087</span>      @Override<a name="line.87"></a>
-<span class="sourceLineNo">088</span>      public void call(RegionServerObserver oserver,<a name="line.88"></a>
-<span class="sourceLineNo">089</span>          ObserverContext&lt;RegionServerCoprocessorEnvironment&gt; ctx) throws IOException {<a name="line.89"></a>
-<span class="sourceLineNo">090</span>        oserver.preStopRegionServer(ctx);<a name="line.90"></a>
-<span class="sourceLineNo">091</span>      }<a name="line.91"></a>
-<span class="sourceLineNo">092</span>      @Override<a name="line.92"></a>
-<span class="sourceLineNo">093</span>      public void postEnvCall(RegionServerEnvironment env) {<a name="line.93"></a>
-<span class="sourceLineNo">094</span>        // invoke coprocessor stop method<a name="line.94"></a>
-<span class="sourceLineNo">095</span>        shutdown(env);<a name="line.95"></a>
-<span class="sourceLineNo">096</span>      }<a name="line.96"></a>
-<span class="sourceLineNo">097</span>    });<a name="line.97"></a>
-<span class="sourceLineNo">098</span>  }<a name="line.98"></a>
-<span class="sourceLineNo">099</span><a name="line.99"></a>
-<span class="sourceLineNo">100</span>  public boolean preMerge(final HRegion regionA, final HRegion regionB, final User user) throws IOException {<a name="line.100"></a>
-<span class="sourceLineNo">101</span>    return execOperation(coprocessors.isEmpty() ? null : new CoprocessorOperation(user) {<a name="line.101"></a>
-<span class="sourceLineNo">102</span>      @Override<a name="line.102"></a>
-<span class="sourceLineNo">103</span>      public void call(RegionServerObserver oserver,<a name="line.103"></a>
-<span class="sourceLineNo">104</span>          ObserverContext&lt;RegionServerCoprocessorEnvironment&gt; ctx) throws IOException {<a name="line.104"></a>
-<span class="sourceLineNo">105</span>        oserver.preMerge(ctx, regionA, regionB);<a name="line.105"></a>
-<span class="sourceLineNo">106</span>      }<a name="line.106"></a>
-<span class="sourceLineNo">107</span>    });<a name="line.107"></a>
-<span class="sourceLineNo">108</span>  }<a name="line.108"></a>
-<span class="sourceLineNo">109</span><a name="line.109"></a>
-<span class="sourceLineNo">110</span>  public void postMerge(final HRegion regionA, final HRegion regionB, final HRegion mergedRegion,<a name="line.110"></a>
-<span class="sourceLineNo">111</span>                        final User user)<a name="line.111"></a>
-<span class="sourceLineNo">112</span>      throws IOException {<a name="line.112"></a>
-<span class="sourceLineNo">113</span>    execOperation(coprocessors.isEmpty() ? null : new CoprocessorOperation(user) {<a name="line.113"></a>
-<span class="sourceLineNo">114</span>      @Override<a name="line.114"></a>
-<span class="sourceLineNo">115</span>      public void call(RegionServerObserver oserver,<a name="line.115"></a>
-<span class="sourceLineNo">116</span>          ObserverContext&lt;RegionServerCoprocessorEnvironment&gt; ctx) throws IOException {<a name="line.116"></a>
-<span class="sourceLineNo">117</span>        oserver.postMerge(ctx, regionA, regionB, mergedRegion);<a name="line.117"></a>
-<span class="sourceLineNo">118</span>      }<a name="line.118"></a>
-<span class="sourceLineNo">119</span>    });<a name="line.119"></a>
-<span class="sourceLineNo">120</span>  }<a name="line.120"></a>
-<span class="sourceLineNo">121</span><a name="line.121"></a>
-<span class="sourceLineNo">122</span>  public boolean preMergeCommit(final HRegion regionA, final HRegion regionB,<a name="line.122"></a>
-<span class="sourceLineNo">123</span>      final @MetaMutationAnnotation List&lt;Mutation&gt; metaEntries, final User user)<a name="line.123"></a>
-<span class="sourceLineNo">124</span>      throws IOException {<a name="line.124"></a>
-<span class="sourceLineNo">125</span>    return execOperation(coprocessors.isEmpty() ? null : new CoprocessorOperation(user) {<a name="line.125"></a>
-<span class="sourceLineNo">126</span>      @Override<a name="line.126"></a>
-<span class="sourceLineNo">127</span>      public void call(RegionServerObserver oserver,<a name="line.127"></a>
-<span class="sourceLineNo">128</span>          ObserverContext&lt;RegionServerCoprocessorEnvironment&gt; ctx) throws IOException {<a name="line.128"></a>
-<span class="sourceLineNo">129</span>        oserver.preMergeCommit(ctx, regionA, regionB, metaEntries);<a name="line.129"></a>
-<span class="sourceLineNo">130</span>      }<a name="line.130"></a>
-<span class="sourceLineNo">131</span>    });<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>  public void postMergeCommit(final HRegion regionA, final HRegion regionB,<a name="line.134"></a>
-<span class="sourceLineNo">135</span>      final HRegion mergedRegion, final User user) throws IOException {<a name="line.135"></a>
-<span class="sourceLineNo">136</span>    execOperation(coprocessors.isEmpty() ? null : new CoprocessorOperation(user) {<a name="line.136"></a>
-<span class="sourceLineNo">137</span>      @Override<a name="line.137"></a>
-<span class="sourceLineNo">138</span>      public void call(RegionServerObserver oserver,<a name="line.138"></a>
-<span class="sourceLineNo">139</span>          ObserverContext&lt;RegionServerCoprocessorEnvironment&gt; ctx) throws IOException {<a name="line.139"></a>
-<span class="sourceLineNo">140</span>        oserver.postMergeCommit(ctx, regionA, regionB, mergedRegion);<a name="line.140"></a>
-<span class="sourceLineNo">141</span>      }<a name="line.141"></a>
-<span class="sourceLineNo">142</span>    });<a name="line.142"></a>
-<span class="sourceLineNo">143</span>  }<a name="line.143"></a>
-<span class="sourceLineNo">144</span><a name="line.144"></a>
-<span class="sourceLineNo">145</span>  public void preRollBackMerge(final HRegion regionA, final HRegion regionB, final User user)<a name="line.145"></a>
-<span class="sourceLineNo">146</span>      throws IOException {<a name="line.146"></a>
-<span class="sourceLineNo">147</span>    execOperation(coprocessors.isEmpty() ? null : new CoprocessorOperation(user) {<a name="line.147"></a>
-<span class="sourceLineNo">148</span>      @Override<a name="line.148"></a>
-<span class="sourceLineNo">149</span>      public void call(RegionServerObserver oserver,<a name="line.149"></a>
-<span class="sourceLineNo">150</span>          ObserverContext&lt;RegionServerCoprocessorEnvironment&gt; ctx) throws IOException {<a name="line.150"></a>
-<span class="sourceLineNo">151</span>        oserver.preRollBackMerge(ctx, regionA, regionB);<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>  }<a name="line.154"></a>
-<span class="sourceLineNo">155</span><a name="line.155"></a>
-<span class="sourceLineNo">156</span>  public void postRollBackMerge(final HRegion regionA, final HRegion regionB, final User user)<a name="line.156"></a>
-<span class="sourceLineNo">157</span>      throws IOException {<a name="line.157"></a>
-<span class="sourceLineNo">158</span>    execOperation(coprocessors.isEmpty() ? null : new CoprocessorOperation(user) {<a name="line.158"></a>
-<span class="sourceLineNo">159</span>      @Override<a name="line.159"></a>
-<span class="sourceLineNo">160</span>      public void call(RegionServerObserver oserver,<a name="line.160"></a>
-<span class="sourceLineNo">161</span>          ObserverContext&lt;RegionServerCoprocessorEnvironment&gt; ctx) throws IOException {<a name="line.161"></a>
-<span class="sourceLineNo">162</span>        oserver.postRollBackMerge(ctx, regionA, regionB);<a name="line.162"></a>
-<span class="sourceLineNo">163</span>      }<a name="line.163"></a>
-<span class="sourceLineNo">164</span>    });<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>  public void preRollWALWriterRequest() throws IOException {<a name="line.167"></a>
-<span class="sourceLineNo">168</span>    execOperation(coprocessors.isEmpty() ? null : new CoprocessorOperation() {<a name="line.168"></a>
-<span class="sourceLineNo">169</span>      @Override<a name="line.169"></a>
-<span class="sourceLineNo">170</span>      public void call(RegionServerObserver oserver,<a name="line.170"></a>
-<span class="sourceLineNo">171</span>          ObserverContext&lt;RegionServerCoprocessorEnvironment&gt; ctx) throws IOException {<a name="line.171"></a>
-<span class="sourceLineNo">172</span>        oserver.preRollWALWriterRequest(ctx);<a name="line.172"></a>
-<span class="sourceLineNo">173</span>      }<a name="line.173"></a>
-<span class="sourceLineNo">174</span>    });<a name="line.174"></a>
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-<span class="sourceLineNo">176</span><a name="line.176"></a>
-<span class="sourceLineNo">177</span>  public void postRollWALWriterRequest() throws IOException {<a name="line.177"></a>
-<span class="sourceLineNo">178</span>    execOperation(coprocessors.isEmpty() ? null : new CoprocessorOperation() {<a name="line.178"></a>
-<span class="sourceLineNo">179</span>      @Override<a name="line.179"></a>
-<span class="sourceLineNo">180</span>      public void call(RegionServerObserver oserver,<a name="line.180"></a>
-<span class="sourceLineNo">181</span>          ObserverContext&lt;RegionServerCoprocessorEnvironment&gt; ctx) throws IOException {<a name="line.181"></a>
-<span class="sourceLineNo">182</span>        oserver.postRollWALWriterRequest(ctx);<a name="line.182"></a>
-<span class="sourceLineNo">183</span>      }<a name="line.183"></a>
-<span class="sourceLineNo">184</span>    });<a name="line.184"></a>
-<span class="sourceLineNo">185</span>  }<a name="line.185"></a>
+<span class="sourceLineNo">056</span>  public RegionServerCoprocessorHost(RegionServerServices rsServices,<a name="line.56"></a>
+<span class="sourceLineNo">057</span>      Configuration conf) {<a name="line.57"></a>
+<span class="sourceLineNo">058</span>    super(rsServices);<a name="line.58"></a>
+<span class="sourceLineNo">059</span>    this.rsServices = rsServices;<a name="line.59"></a>
+<span class="sourceLineNo">060</span>    this.conf = conf;<a name="line.60"></a>
+<span class="sourceLineNo">061</span>    // Log the state of coprocessor loading here; should appear only once or<a name="line.61"></a>
+<span class="sourceLineNo">062</span>    // twice in the daemon log, depending on HBase version, because there is<a name="line.62"></a>
+<span class="sourceLineNo">063</span>    // only one RegionServerCoprocessorHost instance in the RS process<a name="line.63"></a>
+<span class="sourceLineNo">064</span>    boolean coprocessorsEnabled = conf.getBoolean(COPROCESSORS_ENABLED_CONF_KEY,<a name="line.64"></a>
+<span class="sourceLineNo">065</span>      DEFAULT_COPROCESSORS_ENABLED);<a name="line.65"></a>
+<span class="sourceLineNo">066</span>    boolean tableCoprocessorsEnabled = conf.getBoolean(USER_COPROCESSORS_ENABLED_CONF_KEY,<a name="line.66"></a>
+<span class="sourceLineNo">067</span>      DEFAULT_USER_COPROCESSORS_ENABLED);<a name="line.67"></a>
+<span class="sourceLineNo">068</span>    LOG.info("System coprocessor loading is " + (coprocessorsEnabled ? "enabled" : "disabled"));<a name="line.68"></a>
+<span class="sourceLineNo">069</span>    LOG.info("Table coprocessor loading is " +<a name="line.69"></a>
+<span class="sourceLineNo">070</span>      ((coprocessorsEnabled &amp;&amp; tableCoprocessorsEnabled) ? "enabled" : "disabled"));<a name="line.70"></a>
+<span class="sourceLineNo">071</span>    loadSystemCoprocessors(conf, REGIONSERVER_COPROCESSOR_CONF_KEY);<a name="line.71"></a>
+<span class="sourceLineNo">072</span>  }<a name="line.72"></a>
+<span class="sourceLineNo">073</span><a name="line.73"></a>
+<span class="sourceLineNo">074</span>  @Override<a name="line.74"></a>
+<span class="sourceLineNo">075</span>  public RegionServerEnvironment createEnvironment(Class&lt;?&gt; implClass,<a name="line.75"></a>
+<span class="sourceLineNo">076</span>      Coprocessor instance, int priority, int sequence, Configuration conf) {<a name="line.76"></a>
+<span class="sourceLineNo">077</span>    return new RegionServerEnvironment(implClass, instance, priority,<a name="line.77"></a>
+<span class="sourceLineNo">078</span>      sequence, conf, this.rsServices);<a name="line.78"></a>
+<span class="sourceLineNo">079</span>  }<a name="line.79"></a>
+<span class="sourceLineNo">080</span><a name="line.80"></a>
+<span class="sourceLineNo">081</span>  public void preStop(String message, User user) throws IOException {<a name="line.81"></a>
+<span class="sourceLineNo">082</span>    // While stopping the region server all coprocessors method should be executed first then the<a name="line.82"></a>
+<span class="sourceLineNo">083</span>    // coprocessor should be cleaned up.<a name="line.83"></a>
+<span class="sourceLineNo">084</span>    execShutdown(coprocessors.isEmpty() ? null : new CoprocessorOperation(user) {<a name="line.84"></a>
+<span class="sourceLineNo">085</span>      @Override<a name="line.85"></a>
+<span class="sourceLineNo">086</span>      public void call(RegionServerObserver oserver,<a name="line.86"></a>
+<span class="sourceLineNo">087</span>          ObserverContext&lt;RegionServerCoprocessorEnvironment&gt; ctx) throws IOException {<a name="line.87"></a>
+<span class="sourceLineNo">088</span>        oserver.preStopRegionServer(ctx);<a name="line.88"></a>
+<span class="sourceLineNo">089</span>      }<a name="line.89"></a>
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