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From git-site-r...@apache.org
Subject [08/51] [partial] hbase-site git commit: Published site at .
Date Thu, 21 Sep 2017 15:13:41 GMT
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/fa7d6c0c/devapidocs/src-html/org/apache/hadoop/hbase/regionserver/RegionCoprocessorHost.RegionOperation.html
----------------------------------------------------------------------
diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/regionserver/RegionCoprocessorHost.RegionOperation.html b/devapidocs/src-html/org/apache/hadoop/hbase/regionserver/RegionCoprocessorHost.RegionOperation.html
index cf3f141..a4d46aa 100644
--- a/devapidocs/src-html/org/apache/hadoop/hbase/regionserver/RegionCoprocessorHost.RegionOperation.html
+++ b/devapidocs/src-html/org/apache/hadoop/hbase/regionserver/RegionCoprocessorHost.RegionOperation.html
@@ -27,1612 +27,1609 @@
 <span class="sourceLineNo">019</span><a name="line.19"></a>
 <span class="sourceLineNo">020</span>package org.apache.hadoop.hbase.regionserver;<a name="line.20"></a>
 <span class="sourceLineNo">021</span><a name="line.21"></a>
-<span class="sourceLineNo">022</span>import com.google.protobuf.Message;<a name="line.22"></a>
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-<span class="sourceLineNo">025</span>import java.io.IOException;<a name="line.25"></a>
-<span class="sourceLineNo">026</span>import java.util.ArrayList;<a name="line.26"></a>
-<span class="sourceLineNo">027</span>import java.util.List;<a name="line.27"></a>
-<span class="sourceLineNo">028</span>import java.util.Map;<a name="line.28"></a>
-<span class="sourceLineNo">029</span>import java.util.NavigableSet;<a name="line.29"></a>
-<span class="sourceLineNo">030</span>import java.util.UUID;<a name="line.30"></a>
-<span class="sourceLineNo">031</span>import java.util.concurrent.ConcurrentHashMap;<a name="line.31"></a>
-<span class="sourceLineNo">032</span>import java.util.concurrent.ConcurrentMap;<a name="line.32"></a>
-<span class="sourceLineNo">033</span>import java.util.regex.Matcher;<a name="line.33"></a>
-<span class="sourceLineNo">034</span><a name="line.34"></a>
-<span class="sourceLineNo">035</span>import org.apache.commons.collections4.map.AbstractReferenceMap;<a name="line.35"></a>
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-<span class="sourceLineNo">037</span>import org.apache.commons.lang3.ClassUtils;<a name="line.37"></a>
-<span class="sourceLineNo">038</span>import org.apache.commons.logging.Log;<a name="line.38"></a>
-<span class="sourceLineNo">039</span>import org.apache.commons.logging.LogFactory;<a name="line.39"></a>
-<span class="sourceLineNo">040</span>import org.apache.hadoop.conf.Configuration;<a name="line.40"></a>
-<span class="sourceLineNo">041</span>import org.apache.hadoop.fs.FileSystem;<a name="line.41"></a>
-<span class="sourceLineNo">042</span>import org.apache.hadoop.fs.Path;<a name="line.42"></a>
-<span class="sourceLineNo">043</span>import org.apache.hadoop.hbase.Cell;<a name="line.43"></a>
-<span class="sourceLineNo">044</span>import org.apache.hadoop.hbase.CompareOperator;<a name="line.44"></a>
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-<span class="sourceLineNo">047</span>import org.apache.hadoop.hbase.HBaseInterfaceAudience;<a name="line.47"></a>
-<span class="sourceLineNo">048</span>import org.apache.hadoop.hbase.HConstants;<a name="line.48"></a>
-<span class="sourceLineNo">049</span>import org.apache.hadoop.hbase.HRegionInfo;<a name="line.49"></a>
-<span class="sourceLineNo">050</span>import org.apache.yetus.audience.InterfaceAudience;<a name="line.50"></a>
-<span class="sourceLineNo">051</span>import org.apache.yetus.audience.InterfaceStability;<a name="line.51"></a>
-<span class="sourceLineNo">052</span>import org.apache.hadoop.hbase.client.Append;<a name="line.52"></a>
-<span class="sourceLineNo">053</span>import org.apache.hadoop.hbase.client.Delete;<a name="line.53"></a>
-<span class="sourceLineNo">054</span>import org.apache.hadoop.hbase.client.Durability;<a name="line.54"></a>
-<span class="sourceLineNo">055</span>import org.apache.hadoop.hbase.client.Get;<a name="line.55"></a>
-<span class="sourceLineNo">056</span>import org.apache.hadoop.hbase.client.Increment;<a name="line.56"></a>
-<span class="sourceLineNo">057</span>import org.apache.hadoop.hbase.client.Mutation;<a name="line.57"></a>
-<span class="sourceLineNo">058</span>import org.apache.hadoop.hbase.client.Put;<a name="line.58"></a>
-<span class="sourceLineNo">059</span>import org.apache.hadoop.hbase.client.Result;<a name="line.59"></a>
-<span class="sourceLineNo">060</span>import org.apache.hadoop.hbase.client.Scan;<a name="line.60"></a>
-<span class="sourceLineNo">061</span>import org.apache.hadoop.hbase.client.TableDescriptor;<a name="line.61"></a>
-<span class="sourceLineNo">062</span>import org.apache.hadoop.hbase.coprocessor.CoprocessorHost;<a name="line.62"></a>
-<span class="sourceLineNo">063</span>import org.apache.hadoop.hbase.coprocessor.CoprocessorService;<a name="line.63"></a>
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-<span class="sourceLineNo">066</span>import org.apache.hadoop.hbase.coprocessor.ObserverContext;<a name="line.66"></a>
-<span class="sourceLineNo">067</span>import org.apache.hadoop.hbase.coprocessor.RegionCoprocessorEnvironment;<a name="line.67"></a>
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-<span class="sourceLineNo">071</span>import org.apache.hadoop.hbase.io.FSDataInputStreamWrapper;<a name="line.71"></a>
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-<span class="sourceLineNo">082</span>import org.apache.hadoop.hbase.util.CoprocessorClassLoader;<a name="line.82"></a>
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-<span class="sourceLineNo">085</span>import org.apache.hadoop.hbase.wal.WALKey;<a name="line.85"></a>
+<span class="sourceLineNo">022</span>import java.io.IOException;<a name="line.22"></a>
+<span class="sourceLineNo">023</span>import java.util.ArrayList;<a name="line.23"></a>
+<span class="sourceLineNo">024</span>import java.util.List;<a name="line.24"></a>
+<span class="sourceLineNo">025</span>import java.util.Map;<a name="line.25"></a>
+<span class="sourceLineNo">026</span>import java.util.NavigableSet;<a name="line.26"></a>
+<span class="sourceLineNo">027</span>import java.util.UUID;<a name="line.27"></a>
+<span class="sourceLineNo">028</span>import java.util.concurrent.ConcurrentHashMap;<a name="line.28"></a>
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+<span class="sourceLineNo">030</span>import java.util.regex.Matcher;<a name="line.30"></a>
+<span class="sourceLineNo">031</span><a name="line.31"></a>
+<span class="sourceLineNo">032</span>import com.google.protobuf.Message;<a name="line.32"></a>
+<span class="sourceLineNo">033</span>import com.google.protobuf.Service;<a name="line.33"></a>
+<span class="sourceLineNo">034</span>import org.apache.commons.collections4.map.AbstractReferenceMap;<a name="line.34"></a>
+<span class="sourceLineNo">035</span>import org.apache.commons.collections4.map.ReferenceMap;<a name="line.35"></a>
+<span class="sourceLineNo">036</span>import org.apache.commons.lang3.ClassUtils;<a name="line.36"></a>
+<span class="sourceLineNo">037</span>import org.apache.commons.logging.Log;<a name="line.37"></a>
+<span class="sourceLineNo">038</span>import org.apache.commons.logging.LogFactory;<a name="line.38"></a>
+<span class="sourceLineNo">039</span>import org.apache.hadoop.conf.Configuration;<a name="line.39"></a>
+<span class="sourceLineNo">040</span>import org.apache.hadoop.fs.FileSystem;<a name="line.40"></a>
+<span class="sourceLineNo">041</span>import org.apache.hadoop.fs.Path;<a name="line.41"></a>
+<span class="sourceLineNo">042</span>import org.apache.hadoop.hbase.Cell;<a name="line.42"></a>
+<span class="sourceLineNo">043</span>import org.apache.hadoop.hbase.CompareOperator;<a name="line.43"></a>
+<span class="sourceLineNo">044</span>import org.apache.hadoop.hbase.Coprocessor;<a name="line.44"></a>
+<span class="sourceLineNo">045</span>import org.apache.hadoop.hbase.HBaseConfiguration;<a name="line.45"></a>
+<span class="sourceLineNo">046</span>import org.apache.hadoop.hbase.HBaseInterfaceAudience;<a name="line.46"></a>
+<span class="sourceLineNo">047</span>import org.apache.hadoop.hbase.HConstants;<a name="line.47"></a>
+<span class="sourceLineNo">048</span>import org.apache.hadoop.hbase.client.Append;<a name="line.48"></a>
+<span class="sourceLineNo">049</span>import org.apache.hadoop.hbase.client.Delete;<a name="line.49"></a>
+<span class="sourceLineNo">050</span>import org.apache.hadoop.hbase.client.Durability;<a name="line.50"></a>
+<span class="sourceLineNo">051</span>import org.apache.hadoop.hbase.client.Get;<a name="line.51"></a>
+<span class="sourceLineNo">052</span>import org.apache.hadoop.hbase.client.Increment;<a name="line.52"></a>
+<span class="sourceLineNo">053</span>import org.apache.hadoop.hbase.client.Mutation;<a name="line.53"></a>
+<span class="sourceLineNo">054</span>import org.apache.hadoop.hbase.client.Put;<a name="line.54"></a>
+<span class="sourceLineNo">055</span>import org.apache.hadoop.hbase.client.RegionInfo;<a name="line.55"></a>
+<span class="sourceLineNo">056</span>import org.apache.hadoop.hbase.client.Result;<a name="line.56"></a>
+<span class="sourceLineNo">057</span>import org.apache.hadoop.hbase.client.Scan;<a name="line.57"></a>
+<span class="sourceLineNo">058</span>import org.apache.hadoop.hbase.client.TableDescriptor;<a name="line.58"></a>
+<span class="sourceLineNo">059</span>import org.apache.hadoop.hbase.coprocessor.CoprocessorHost;<a name="line.59"></a>
+<span class="sourceLineNo">060</span>import org.apache.hadoop.hbase.coprocessor.CoprocessorService;<a name="line.60"></a>
+<span class="sourceLineNo">061</span>import org.apache.hadoop.hbase.coprocessor.EndpointObserver;<a name="line.61"></a>
+<span class="sourceLineNo">062</span>import org.apache.hadoop.hbase.coprocessor.MetricsCoprocessor;<a name="line.62"></a>
+<span class="sourceLineNo">063</span>import org.apache.hadoop.hbase.coprocessor.ObserverContext;<a name="line.63"></a>
+<span class="sourceLineNo">064</span>import org.apache.hadoop.hbase.coprocessor.RegionCoprocessorEnvironment;<a name="line.64"></a>
+<span class="sourceLineNo">065</span>import org.apache.hadoop.hbase.coprocessor.RegionObserver;<a name="line.65"></a>
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+<span class="sourceLineNo">067</span>import org.apache.hadoop.hbase.filter.ByteArrayComparable;<a name="line.67"></a>
+<span class="sourceLineNo">068</span>import org.apache.hadoop.hbase.io.FSDataInputStreamWrapper;<a name="line.68"></a>
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+<span class="sourceLineNo">071</span>import org.apache.hadoop.hbase.ipc.RpcServer;<a name="line.71"></a>
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+<span class="sourceLineNo">073</span>import org.apache.hadoop.hbase.regionserver.Region.Operation;<a name="line.73"></a>
+<span class="sourceLineNo">074</span>import org.apache.hadoop.hbase.regionserver.compactions.CompactionLifeCycleTracker;<a name="line.74"></a>
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+<span class="sourceLineNo">077</span>import org.apache.hadoop.hbase.shaded.com.google.common.collect.ImmutableList;<a name="line.77"></a>
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+<span class="sourceLineNo">079</span>import org.apache.hadoop.hbase.util.Bytes;<a name="line.79"></a>
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+<span class="sourceLineNo">085</span>import org.apache.yetus.audience.InterfaceStability;<a name="line.85"></a>
 <span class="sourceLineNo">086</span><a name="line.86"></a>
-<span class="sourceLineNo">087</span>import org.apache.hadoop.hbase.shaded.com.google.common.collect.ImmutableList;<a name="line.87"></a>
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-<span class="sourceLineNo">089</span><a name="line.89"></a>
-<span class="sourceLineNo">090</span>/**<a name="line.90"></a>
-<span class="sourceLineNo">091</span> * Implements the coprocessor environment and runtime support for coprocessors<a name="line.91"></a>
-<span class="sourceLineNo">092</span> * loaded within a {@link Region}.<a name="line.92"></a>
-<span class="sourceLineNo">093</span> */<a name="line.93"></a>
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-<span class="sourceLineNo">095</span>@InterfaceStability.Evolving<a name="line.95"></a>
-<span class="sourceLineNo">096</span>public class RegionCoprocessorHost<a name="line.96"></a>
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-<span class="sourceLineNo">098</span><a name="line.98"></a>
-<span class="sourceLineNo">099</span>  private static final Log LOG = LogFactory.getLog(RegionCoprocessorHost.class);<a name="line.99"></a>
-<span class="sourceLineNo">100</span>  // The shared data map<a name="line.100"></a>
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-<span class="sourceLineNo">103</span>          AbstractReferenceMap.ReferenceStrength.WEAK);<a name="line.103"></a>
+<span class="sourceLineNo">087</span>/**<a name="line.87"></a>
+<span class="sourceLineNo">088</span> * Implements the coprocessor environment and runtime support for coprocessors<a name="line.88"></a>
+<span class="sourceLineNo">089</span> * loaded within a {@link Region}.<a name="line.89"></a>
+<span class="sourceLineNo">090</span> */<a name="line.90"></a>
+<span class="sourceLineNo">091</span>@InterfaceAudience.LimitedPrivate(HBaseInterfaceAudience.COPROC)<a name="line.91"></a>
+<span class="sourceLineNo">092</span>@InterfaceStability.Evolving<a name="line.92"></a>
+<span class="sourceLineNo">093</span>public class RegionCoprocessorHost<a name="line.93"></a>
+<span class="sourceLineNo">094</span>    extends CoprocessorHost&lt;RegionCoprocessorHost.RegionEnvironment&gt; {<a name="line.94"></a>
+<span class="sourceLineNo">095</span><a name="line.95"></a>
+<span class="sourceLineNo">096</span>  private static final Log LOG = LogFactory.getLog(RegionCoprocessorHost.class);<a name="line.96"></a>
+<span class="sourceLineNo">097</span>  // The shared data map<a name="line.97"></a>
+<span class="sourceLineNo">098</span>  private static final ReferenceMap&lt;String, ConcurrentMap&lt;String, Object&gt;&gt; SHARED_DATA_MAP =<a name="line.98"></a>
+<span class="sourceLineNo">099</span>      new ReferenceMap&lt;&gt;(AbstractReferenceMap.ReferenceStrength.HARD,<a name="line.99"></a>
+<span class="sourceLineNo">100</span>          AbstractReferenceMap.ReferenceStrength.WEAK);<a name="line.100"></a>
+<span class="sourceLineNo">101</span><a name="line.101"></a>
+<span class="sourceLineNo">102</span>  // optimization: no need to call postScannerFilterRow, if no coprocessor implements it<a name="line.102"></a>
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-<span class="sourceLineNo">105</span>  // optimization: no need to call postScannerFilterRow, if no coprocessor implements it<a name="line.105"></a>
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-<span class="sourceLineNo">123</span>     * @param priority chaining priority<a name="line.123"></a>
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-<span class="sourceLineNo">127</span>        final RegionServerServices services, final ConcurrentMap&lt;String, Object&gt; sharedData) {<a name="line.127"></a>
-<span class="sourceLineNo">128</span>      super(impl, priority, seq, conf);<a name="line.128"></a>
-<span class="sourceLineNo">129</span>      this.region = region;<a name="line.129"></a>
-<span class="sourceLineNo">130</span>      this.rsServices = services;<a name="line.130"></a>
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-<span class="sourceLineNo">132</span>      this.metricRegistry =<a name="line.132"></a>
-<span class="sourceLineNo">133</span>          MetricsCoprocessor.createRegistryForRegionCoprocessor(impl.getClass().getName());<a name="line.133"></a>
-<span class="sourceLineNo">134</span>    }<a name="line.134"></a>
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-<span class="sourceLineNo">149</span>      super.shutdown();<a name="line.149"></a>
-<span class="sourceLineNo">150</span>      MetricsCoprocessor.removeRegistry(this.metricRegistry);<a name="line.150"></a>
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+<span class="sourceLineNo">262</span>  static List&lt;TableCoprocessorAttribute&gt; getTableCoprocessorAttrsFromSchema(Configuration conf,<a name="line.262"></a>
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+<span class="sourceLineNo">272</span>          if (matcher.matches()) {<a name="line.272"></a>
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+<span class="sourceLineNo">274</span>            // from class loader.<a name="line.274"></a>
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+<span class="sourceLineNo">276</span>                null : new Path(matcher.group(1).trim());<a name="line.276"></a>
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+<span class="sourceLineNo">278</span>            if (className.isEmpty()) {<a name="line.278"></a>
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+<span class="sourceLineNo">280</span>                key + ", spec: " + spec);<a name="line.280"></a>
+<span class="sourceLineNo">281</span>              continue;<a name="line.281"></a>
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+<span class="sourceLineNo">284</span>            int priority = priorityStr.isEmpty() ?<a name="line.284"></a>
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+<span class="sourceLineNo">287</span>            try {<a name="line.287"></a>
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+<span class="sourceLineNo">289</span>            } catch (IndexOutOfBoundsException ex) {<a name="line.289"></a>
+<span class="sourceLineNo">290</span>              // ignore<a name="line.290"></a>
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+<span class="sourceLineNo">299</span>              while (m.find()) {<a name="line.299"></a>
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+<span class="sourceLineNo">306</span>          } else {<a name="line.306"></a>
+<span class="sourceLineNo">307</span>            LOG.error("Malformed table coprocessor specification: key=" + key +<a name="line.307"></a>
+<span class="sourceLineNo">308</span>              ", spec: " + spec);<a name="line.308"></a>
+<span class="sourceLineNo">309</span>          }<a name="line.309"></a>
+<span class="sourceLineNo">310</span>        } catch (Exception ioe) {<a name="line.310"></a>
+<span class="sourceLineNo">311</span>          LOG.error("Malformed table coprocessor specification: key=" + key +<a name="line.311"></a>
+<span class="sourceLineNo">312</span>            ", spec: " + spec);<a name="line.312"></a>
+<span class="sourceLineNo">313</span>        }<a name="line.313"></a>
+<span class="sourceLineNo">314</span>      }<a name="line.314"></a>
+<span class="sourceLineNo">315</span>    }<a name="line.315"></a>
+<span class="sourceLineNo">316</span>    return result;<a name="line.316"></a>
+<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>  /**<a name="line.319"></a>
+<span class="sourceLineNo">320</span>   * Sanity check the table coprocessor attributes of the supplied schema. Will<a name="line.320"></a>
+<span class="sourceLineNo">321</span>   * throw an exception if there is a problem.<a name="line.321"></a>
+<span class="sourceLineNo">322</span>   * @param conf<a name="line.322"></a>
+<span class="sourceLineNo">323</span>   * @param htd<a name="line.323"></a>
+<span class="sourceLineNo">324</span>   * @throws IOException<a name="line.324"></a>
+<span class="sourceLineNo">325</span>   */<a name="line.325"></a>
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+<span class="sourceLineNo">327</span>      final TableDescriptor htd) throws IOException {<a name="line.327"></a>
+<span class="sourceLineNo">328</span>    String pathPrefix = UUID.randomUUID().toString();<a name="line.328"></a>
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+<span class="sourceLineNo">332</span>          " cannot be less than 0");<a name="line.332"></a>
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+<span class="sourceLineNo">334</span>      ClassLoader old = Thread.currentThread().getContextClassLoader();<a name="line.334"></a>
+<span class="sourceLineNo">335</span>      try {<a name="line.335"></a>
+<span class="sourceLineNo">336</span>        ClassLoader cl;<a name="line.336"></a>
+<span class="sourceLineNo">337</span>        if (attr.getPath() != null) {<a name="line.337"></a>
+<span class="sourceLineNo">338</span>          cl = CoprocessorClassLoader.getClassLoader(attr.getPath(),<a name="line.338"></a>
+<span class="sourceLineNo">339</span>            CoprocessorHost.class.getClassLoader(), pathPrefix, conf);<a name="line.339"></a>
+<span class="sourceLineNo">340</span>        } else {<a name="line.340"></a>
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+<span class="sourceLineNo">342</span>        }<a name="line.342"></a>
+<span class="sourceLineNo">343</span>        Thread.currentThread().setContextClassLoader(cl);<a name="line.343"></a>
+<span class="sourceLineNo">344</span>        cl.loadClass(attr.getClassName());<a name="line.344"></a>
+<span class="sourceLineNo">345</span>      } catch (ClassNotFoundException e) {<a name="line.345"></a>
+<span class="sourceLineNo">346</span>        throw new IOException("Class " + attr.getClassName() + " cannot be loaded", e);<a name="line.346"></a>
+<span class="sourceLineNo">347</span>      } finally {<a name="line.347"></a>
+<span class="sourceLineNo">348</span>        Thread.currentThread().setContextClassLoader(old);<a name="line.348"></a>
+<span class="sourceLineNo">349</span>      }<a name="line.349"></a>
+<span class="sourceLineNo">350</span>    }<a name="line.350"></a>
+<span class="sourceLineNo">351</span>  }<a name="line.351"></a>
+<span class="sourceLineNo">352</span><a name="line.352"></a>
+<span class="sourceLineNo">353</span>  void loadTableCoprocessors(final Configuration conf) {<a name="line.353"></a>
+<span class="sourceLineNo">354</span>    boolean coprocessorsEnabled = conf.getBoolean(COPROCESSORS_ENABLED_CONF_KEY,<a name="line.354"></a>
+<span class="sourceLineNo">355</span>      DEFAULT_COPROCESSORS_ENABLED);<a name="line.355"></a>
+<span class="sourceLineNo">356</span>    boolean tableCoprocessorsEnabled = conf.getBoolean(USER_COPROCESSORS_ENABLED_CONF_KEY,<a name="line.356"></a>
+<span class="sourceLineNo">357</span>      DEFAULT_USER_COPROCESSORS_ENABLED);<a name="line.357"></a>
+<span class="sourceLineNo">358</span>    if (!(coprocessorsEnabled &amp;&amp; tableCoprocessorsEnabled)) {<a name="line.358"></a>
+<span class="sourceLineNo">359</span>      return;<a name="line.359"></a>
+<span class="sourceLineNo">360</span>    }<a name="line.360"></a>
+<span class="sourceLineNo">361</span><a name="line.361"></a>
+<span class="sourceLineNo">362</span>    // scan the table attributes for coprocessor load specifications<a name="line.362"></a>
+<span class="sourceLineNo">363</span>    // initialize the coprocessors<a name="line.363"></a>
+<span class="sourceLineNo">364</span>    List&lt;RegionEnvironment&gt; configured = new ArrayList&lt;&gt;();<a name="line.364"></a>
+<span class="sourceLineNo">365</span>    for (TableCoprocessorAttribute attr: getTableCoprocessorAttrsFromSchema(conf,<a name="line.365"></a>
+<span class="sourceLineNo">366</span>        region.getTableDescriptor())) {<a name="line.366"></a>
+<span class="sourceLineNo">367</span>      // Load encompasses classloading and coprocessor initialization<a name="line.367"></a>
+<span class="sourceLineNo">368</span>      try {<a name="line.368"></a>
+<span class="sourceLineNo">369</span>        RegionEnvironment env = load(attr.getPath(), attr.getClassName(), attr.getPriority(),<a name="line.369"></a>
+<span class="sourceLineNo">370</span>          attr.getConf());<a name="line.370"></a>
+<span class="sourceLineNo">371</span>        configured.add(env);<a name="line.371"></a>
+<span class="sourceLineNo">372</span>        LOG.info("Loaded coprocessor " + attr.getClassName() + " from HTD of " +<a name="line.372"></a>
+<span class="sourceLineNo">373</span>            region.getTableDescriptor().getTableName().getNameAsString() + " successfully.");<a name="line.373"></a>
+<span class="sourceLineNo">374</span>      } catch (Throwable t) {<a name="line.374"></a>
+<span class="sourceLineNo">375</span>        // Coprocessor failed to load, do we abort on error?<a name="line.375"></a>
+<span class="sourceLineNo">376</span>        if (conf.getBoolean(ABORT_ON_ERROR_KEY, DEFAULT_ABORT_ON_ERROR)) {<a name="line.376"></a>
+<span class="sourceLineNo">377</span>          abortServer(attr.getClassName(), t);<a name="line.377"></a>
+<span class="sourceLineNo">378</span>        } else {<a name="line.378"></a>
+<span class="sourceLineNo">379</span>          LOG.error("Failed to load coprocessor " + attr.getClassName(), t);<a name="line.379"></a>
+<span class="sourceLineNo">380</span>        }<a name="line.380"></a>
+<span class="sourceLineNo">381</span>      }<a name="line.381"></a>
+<span class="sourceLineNo">382</span>    }<a name="line.382"></a>
+<span class="sourceLineNo">383</span>    // add together to coprocessor set for COW efficiency<a name="line.383"></a>
+<span class="sourceLineNo">384</span>    coprocessors.addAll(configured);<a name="line.384"></a>
+<span class="sourceLineNo">385</span>  }<a name="line.385"></a>
+<span class="sourceLineNo">386</span><a name="line.386"></a>
+<span class="sourceLineNo">387</span>  @Override<a name="line.387"></a>
+<span class="sourceLineNo">388</span>  public RegionEnvironment createEnvironment(Class&lt;?&gt; implClass,<a name="line.388"></a>
+<span class="sourceLineNo">389</span>      Coprocessor instance, int priority, int seq, Configuration conf) {<a name="line.389"></a>
+<span class="sourceLineNo">390</span>    // Check if it's an Endpoint.<a name="line.390"></a>
+<span class="sourceLineNo">391</span>    // Due to current dynamic protocol design, Endpoint<a name="line.391"></a>
+<span class="sourceLineNo">392</span>    // uses a different way to be registered and executed.<a name="line.392"></a>
+<span class="sourceLineNo">393</span>    // It uses a visitor pattern to invoke registered Endpoint<a name="line.393"></a>
+<span class="sourceLineNo">394</span>    // method.<a name="line.394"></a>
+<span class="sourceLineNo">395</span>    for (Object itf : ClassUtils.getAllInterfaces(implClass)) {<a name="line.395"></a>
+<span class="sourceLineNo">396</span>      Class&lt;?&gt; c = (Class&lt;?&gt;) itf;<a name="line.396"></a>
+<span class="sourceLineNo">397</span>      if (CoprocessorService.class.isAssignableFrom(c)) {<a name="line.397"></a>
+<span class="sourceLineNo">398</span>        region.registerService( ((CoprocessorService)instance).getService() );<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>    ConcurrentMap&lt;String, Object&gt; classData;<a name="line.401"></a>
+<span class="sourceLineNo">402</span>    // make sure only one thread can add maps<a name="line.402"></a>
+<span class="sourceLineNo">403</span>    synchronized (SHARED_DATA_MAP) {<a name="line.403"></a>
+<span class="sourceLineNo">404</span>      // as long as at least one RegionEnvironment holds on to its classData it will<a name="line.404"></a>
+<span class="sourceLineNo">405</span>      // remain in this map<a name="line.405"></a>
+<span class="sourceLineNo">406</span>      classData =<a name="line.406"></a>
+<span class="sourceLineNo">407</span>          SHARED_DATA_MAP.computeIfAbsent(implClass.getName(), k -&gt; new ConcurrentHashMap&lt;&gt;());<a name="line.407"></a>
+<span class="sourceLineNo">408</span>    }<a name="line.408"></a>
+<span class="sourceLineNo">409</span>    return new RegionEnvironment(instance, priority, seq, conf, region,<a name="line.409"></a>
+<span class="sourceLineNo">410</span>        rsServices, classData);<a name="line.410"></a>
+<span class="sourceLineNo">411</span>  }<a name="line.411"></a>
+<span class="sourceLineNo">412</span><a name="line.412"></a>
+<span class="sourceLineNo">413</span>  /**<a name="line.413"></a>
+<span class="sourceLineNo">414</span>   * Invoked before a region open.<a name="line.414"></a>
+<span class="sourceLineNo">415</span>   *<a name="line.415"></a>
+<span class="sourceLineNo">416</span>   * @throws IOException Signals that an I/O exception has occurred.<a name="line.416"></a>
+<span class="sourceLineNo">417</span>   */<a name="line.417"></a>
+<span class="sourceLineNo">418</span>  public void preOpen() throws IOException {<a name="line.418"></a>
+<span class="sourceLineNo">419</span>    execOperation(coprocessors.isEmpty() ? null : new RegionOperation() {<a name="line.419"></a>
+<span class="sourceLineNo">420</span>      @Override<a name="line.420"></a>
+<span class="sourceLineNo">421</span>      public void call(RegionObserver oserver, ObserverContext&lt;RegionCoprocessorEnvironment&gt; ctx)<a name="line.421"></a>
+<span class="sourceLineNo">422</span>          throws IOException {<a name="line.422"></a>
+<span class="sourceLineNo">423</span>        oserver.preOpen(ctx);<a name="line.423"></a>
+<span class="sourceLineNo">424</span>      }<a name="line.424"></a>
+<span class="sourceLineNo">425</span>    });<a name="line.425"></a>
+<span class="sourceLineNo">426</span>  }<a name="line.426"></a>
+<span class="sourceLineNo">427</span><a name="line.427"></a>
+<span class="sourceLineNo">428</span>  /**<a name="line.428"></a>
+<span class="sourceLineNo">429</span>   * Invoked after a region open<a name="line.429"></a>
+<span class="sourceLineNo">430</span>   */<a name="line.430"></a>
+<span class="sourceLineNo">431</span>  public void postOpen() {<a name="line.431"></a>
+<span class="sourceLineNo">432</span>    try {<a name="line.432"></a>
+<span class="sourceLineNo">433</span>      execOperation(coprocessors.isEmpty() ? null : new RegionOperation() {<a name="line.433"></a>
+<span class="sourceLineNo">434</span>        @Override<a name="line.434"></a>
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+<span class="sourceLineNo">436</span>            throws IOException {<a name="line.436"></a>
+<span class="sourceLineNo">437</span>          oserver.postOpen(ctx);<a name="line.437"></a>
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+<span class="sourceLineNo">439</span>      });<a name="line.439"></a>
+<span class="sourceLineNo">440</span>    } catch (IOException e) {<a name="line.440"></a>
+<span class="sourceLineNo">441</span>      LOG.warn(e);<a name="line.441"></a>
+<span class="sourceLineNo">442</span>    }<a name="line.442"></a>
+<span class="sourceLineNo">443</span>  }<a name="line.443"></a>
+<span class="sourceLineNo">444</span><a name="line.444"></a>
+<span class="sourceLineNo">445</span>  /**<a name="line.445"></a>
+<span class="sourceLineNo">446</span>   * Invoked after log replay on region<a name="line.446"></a>
+<span class="sourceLineNo">447</span>   */<a name="line.447"></a>
+<span class="sourceLineNo">448</span>  public void postLogReplay() {<a name="line.448"></a>
+<span class="sourceLineNo">449</span>    try {<a name="line.449"></a>
+<span class="sourceLineNo">450</span>      execOperation(coprocessors.isEmpty() ? null : new RegionOperation() {<a name="line.450"></a>
+<span class="sourceLineNo">451</span>        @Override<a name="line.451"></a>
+<span class="sourceLineNo">452</span>        public void call(RegionObserver oserver, ObserverContext&lt;RegionCoprocessorEnvironment&gt; ctx)<a name="line.452"></a>
+<span class="sourceLineNo">453</span>            throws IOException {<a name="line.453"></a>
+<span class="sourceLineNo">454</span>          oserver.postLogReplay(ctx);<a name="line.454"></a>
+<span class="sourceLineNo">455</span>        }<a name="line.455"><

<TRUNCATED>

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