[08/51] [partial] hbase-site git commit: Published site at 7d3750bd9fc9747623549c242cc4171e224b3eaf.

git-site-role Tue, 05 Jun 2018 07:48:55 -0700
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/3469cbc0/devapidocs/src-html/org/apache/hadoop/hbase/procedure2/RemoteProcedureDispatcher.BufferNode.html
----------------------------------------------------------------------
diff --git 
a/devapidocs/src-html/org/apache/hadoop/hbase/procedure2/RemoteProcedureDispatcher.BufferNode.html
 
b/devapidocs/src-html/org/apache/hadoop/hbase/procedure2/RemoteProcedureDispatcher.BufferNode.html
index 594ef24..17d5c40 100644
--- 
a/devapidocs/src-html/org/apache/hadoop/hbase/procedure2/RemoteProcedureDispatcher.BufferNode.html
+++ 
b/devapidocs/src-html/org/apache/hadoop/hbase/procedure2/RemoteProcedureDispatcher.BufferNode.html
@@ -170,241 +170,242 @@
 <span class="sourceLineNo">162</span>  }<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>   * Add a remote rpc. Be sure to check 
result for successful add.<a name="line.165"></a>
+<span class="sourceLineNo">165</span>   * Add a remote rpc.<a 
name="line.165"></a>
 <span class="sourceLineNo">166</span>   * @param key the node identifier<a 
name="line.166"></a>
-<span class="sourceLineNo">167</span>   * @return True if we successfully 
added the operation.<a name="line.167"></a>
-<span class="sourceLineNo">168</span>   */<a name="line.168"></a>
-<span class="sourceLineNo">169</span>  public boolean addOperationToNode(final 
TRemote key, RemoteProcedure rp) {<a name="line.169"></a>
+<span class="sourceLineNo">167</span>   */<a name="line.167"></a>
+<span class="sourceLineNo">168</span>  public void addOperationToNode(final 
TRemote key, RemoteProcedure rp)<a name="line.168"></a>
+<span class="sourceLineNo">169</span>  throws 
NullTargetServerDispatchException, NoServerDispatchException, 
NoNodeDispatchException {<a name="line.169"></a>
 <span class="sourceLineNo">170</span>    if (key == null) {<a 
name="line.170"></a>
-<span class="sourceLineNo">171</span>      // Key is remote server name. Be 
careful. It could have been nulled by a concurrent<a name="line.171"></a>
-<span class="sourceLineNo">172</span>      // ServerCrashProcedure shutting 
down outstanding RPC requests. See remoteCallFailed.<a name="line.172"></a>
-<span class="sourceLineNo">173</span>      return false;<a name="line.173"></a>
-<span class="sourceLineNo">174</span>    }<a name="line.174"></a>
-<span class="sourceLineNo">175</span>    assert key != null : "found null key 
for node";<a name="line.175"></a>
-<span class="sourceLineNo">176</span>    BufferNode node = nodeMap.get(key);<a 
name="line.176"></a>
-<span class="sourceLineNo">177</span>    if (node == null) {<a 
name="line.177"></a>
-<span class="sourceLineNo">178</span>      return false;<a name="line.178"></a>
-<span class="sourceLineNo">179</span>    }<a name="line.179"></a>
-<span class="sourceLineNo">180</span>    node.add(rp);<a name="line.180"></a>
-<span class="sourceLineNo">181</span>    // Check our node still in the map; 
could have been removed by #removeNode.<a name="line.181"></a>
-<span class="sourceLineNo">182</span>    return nodeMap.containsValue(node);<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">186</span>   * Remove a remote node<a 
name="line.186"></a>
-<span class="sourceLineNo">187</span>   * @param key the node identifier<a 
name="line.187"></a>
-<span class="sourceLineNo">188</span>   */<a name="line.188"></a>
-<span class="sourceLineNo">189</span>  public boolean removeNode(final TRemote 
key) {<a name="line.189"></a>
-<span class="sourceLineNo">190</span>    final BufferNode node = 
nodeMap.remove(key);<a name="line.190"></a>
-<span class="sourceLineNo">191</span>    if (node == null) return false;<a 
name="line.191"></a>
-<span class="sourceLineNo">192</span>    node.abortOperationsInQueue();<a 
name="line.192"></a>
-<span class="sourceLineNo">193</span>    return true;<a name="line.193"></a>
-<span class="sourceLineNo">194</span>  }<a name="line.194"></a>
-<span class="sourceLineNo">195</span><a name="line.195"></a>
-<span class="sourceLineNo">196</span>  // 
============================================================================================<a
 name="line.196"></a>
-<span class="sourceLineNo">197</span>  //  Task Helpers<a name="line.197"></a>
-<span class="sourceLineNo">198</span>  // 
============================================================================================<a
 name="line.198"></a>
-<span class="sourceLineNo">199</span>  protected Future&lt;Void&gt; 
submitTask(Callable&lt;Void&gt; task) {<a name="line.199"></a>
-<span class="sourceLineNo">200</span>    return threadPool.submit(task);<a 
name="line.200"></a>
-<span class="sourceLineNo">201</span>  }<a name="line.201"></a>
-<span class="sourceLineNo">202</span><a name="line.202"></a>
-<span class="sourceLineNo">203</span>  protected Future&lt;Void&gt; 
submitTask(Callable&lt;Void&gt; task, long delay, TimeUnit unit) {<a 
name="line.203"></a>
-<span class="sourceLineNo">204</span>    final FutureTask&lt;Void&gt; 
futureTask = new FutureTask(task);<a name="line.204"></a>
-<span class="sourceLineNo">205</span>    timeoutExecutor.add(new 
DelayedTask(futureTask, delay, unit));<a name="line.205"></a>
-<span class="sourceLineNo">206</span>    return futureTask;<a 
name="line.206"></a>
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-<span class="sourceLineNo">208</span><a name="line.208"></a>
-<span class="sourceLineNo">209</span>  protected abstract void 
remoteDispatch(TRemote key, Set&lt;RemoteProcedure&gt; operations);<a 
name="line.209"></a>
-<span class="sourceLineNo">210</span>  protected abstract void 
abortPendingOperations(TRemote key, Set&lt;RemoteProcedure&gt; operations);<a 
name="line.210"></a>
-<span class="sourceLineNo">211</span><a name="line.211"></a>
-<span class="sourceLineNo">212</span>  /**<a name="line.212"></a>
-<span class="sourceLineNo">213</span>   * Data structure with reference to 
remote operation.<a name="line.213"></a>
-<span class="sourceLineNo">214</span>   */<a name="line.214"></a>
-<span class="sourceLineNo">215</span>  public static abstract class 
RemoteOperation {<a name="line.215"></a>
-<span class="sourceLineNo">216</span>    private final RemoteProcedure 
remoteProcedure;<a name="line.216"></a>
-<span class="sourceLineNo">217</span><a name="line.217"></a>
-<span class="sourceLineNo">218</span>    protected RemoteOperation(final 
RemoteProcedure remoteProcedure) {<a name="line.218"></a>
-<span class="sourceLineNo">219</span>      this.remoteProcedure = 
remoteProcedure;<a name="line.219"></a>
-<span class="sourceLineNo">220</span>    }<a name="line.220"></a>
-<span class="sourceLineNo">221</span><a name="line.221"></a>
-<span class="sourceLineNo">222</span>    public RemoteProcedure 
getRemoteProcedure() {<a name="line.222"></a>
-<span class="sourceLineNo">223</span>      return remoteProcedure;<a 
name="line.223"></a>
-<span class="sourceLineNo">224</span>    }<a name="line.224"></a>
-<span class="sourceLineNo">225</span>  }<a name="line.225"></a>
-<span class="sourceLineNo">226</span><a name="line.226"></a>
-<span class="sourceLineNo">227</span>  /**<a name="line.227"></a>
-<span class="sourceLineNo">228</span>   * Remote procedure reference.<a 
name="line.228"></a>
-<span class="sourceLineNo">229</span>   */<a name="line.229"></a>
-<span class="sourceLineNo">230</span>  public interface 
RemoteProcedure&lt;TEnv, TRemote&gt; {<a name="line.230"></a>
-<span class="sourceLineNo">231</span>    /**<a name="line.231"></a>
-<span class="sourceLineNo">232</span>     * For building the remote 
operation.<a name="line.232"></a>
-<span class="sourceLineNo">233</span>     */<a name="line.233"></a>
-<span class="sourceLineNo">234</span>    RemoteOperation remoteCallBuild(TEnv 
env, TRemote remote);<a name="line.234"></a>
-<span class="sourceLineNo">235</span><a name="line.235"></a>
-<span class="sourceLineNo">236</span>    /**<a name="line.236"></a>
-<span class="sourceLineNo">237</span>     * Called when the executeProcedure 
call is failed.<a name="line.237"></a>
-<span class="sourceLineNo">238</span>     */<a name="line.238"></a>
-<span class="sourceLineNo">239</span>    void remoteCallFailed(TEnv env, 
TRemote remote, IOException exception);<a name="line.239"></a>
-<span class="sourceLineNo">240</span><a name="line.240"></a>
-<span class="sourceLineNo">241</span>    /**<a name="line.241"></a>
-<span class="sourceLineNo">242</span>     * Called when RS tells the remote 
procedure is succeeded through the<a name="line.242"></a>
-<span class="sourceLineNo">243</span>     * {@code reportProcedureDone} 
method.<a name="line.243"></a>
-<span class="sourceLineNo">244</span>     */<a name="line.244"></a>
-<span class="sourceLineNo">245</span>    void remoteOperationCompleted(TEnv 
env);<a name="line.245"></a>
-<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>     * Called when RS tells the remote 
procedure is failed through the {@code reportProcedureDone}<a 
name="line.248"></a>
-<span class="sourceLineNo">249</span>     * method.<a name="line.249"></a>
-<span class="sourceLineNo">250</span>     */<a name="line.250"></a>
-<span class="sourceLineNo">251</span>    void remoteOperationFailed(TEnv env, 
RemoteProcedureException error);<a name="line.251"></a>
-<span class="sourceLineNo">252</span>  }<a name="line.252"></a>
-<span class="sourceLineNo">253</span><a name="line.253"></a>
-<span class="sourceLineNo">254</span>  /**<a name="line.254"></a>
-<span class="sourceLineNo">255</span>   * Account of what procedures are 
running on remote node.<a name="line.255"></a>
-<span class="sourceLineNo">256</span>   * @param &lt;TEnv&gt;<a 
name="line.256"></a>
-<span class="sourceLineNo">257</span>   * @param &lt;TRemote&gt;<a 
name="line.257"></a>
-<span class="sourceLineNo">258</span>   */<a name="line.258"></a>
-<span class="sourceLineNo">259</span>  public interface RemoteNode&lt;TEnv, 
TRemote&gt; {<a name="line.259"></a>
-<span class="sourceLineNo">260</span>    TRemote getKey();<a 
name="line.260"></a>
-<span class="sourceLineNo">261</span>    void add(RemoteProcedure&lt;TEnv, 
TRemote&gt; operation);<a name="line.261"></a>
-<span class="sourceLineNo">262</span>    void dispatch();<a 
name="line.262"></a>
-<span class="sourceLineNo">263</span>  }<a name="line.263"></a>
-<span class="sourceLineNo">264</span><a name="line.264"></a>
-<span class="sourceLineNo">265</span>  protected 
ArrayListMultimap&lt;Class&lt;?&gt;, RemoteOperation&gt; 
buildAndGroupRequestByType(final TEnv env,<a name="line.265"></a>
-<span class="sourceLineNo">266</span>      final TRemote remote, final 
Set&lt;RemoteProcedure&gt; remoteProcedures) {<a name="line.266"></a>
-<span class="sourceLineNo">267</span>    final 
ArrayListMultimap&lt;Class&lt;?&gt;, RemoteOperation&gt; requestByType = 
ArrayListMultimap.create();<a name="line.267"></a>
-<span class="sourceLineNo">268</span>    for (RemoteProcedure proc: 
remoteProcedures) {<a name="line.268"></a>
-<span class="sourceLineNo">269</span>      RemoteOperation operation = 
proc.remoteCallBuild(env, remote);<a name="line.269"></a>
-<span class="sourceLineNo">270</span>      
requestByType.put(operation.getClass(), operation);<a name="line.270"></a>
-<span class="sourceLineNo">271</span>    }<a name="line.271"></a>
-<span class="sourceLineNo">272</span>    return requestByType;<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>  protected &lt;T extends 
RemoteOperation&gt; List&lt;T&gt; fetchType(<a name="line.275"></a>
-<span class="sourceLineNo">276</span>      final 
ArrayListMultimap&lt;Class&lt;?&gt;, RemoteOperation&gt; requestByType, final 
Class&lt;T&gt; type) {<a name="line.276"></a>
-<span class="sourceLineNo">277</span>    return 
(List&lt;T&gt;)requestByType.removeAll(type);<a name="line.277"></a>
-<span class="sourceLineNo">278</span>  }<a name="line.278"></a>
-<span class="sourceLineNo">279</span><a name="line.279"></a>
-<span class="sourceLineNo">280</span>  // 
============================================================================================<a
 name="line.280"></a>
-<span class="sourceLineNo">281</span>  //  Timeout Helpers<a 
name="line.281"></a>
-<span class="sourceLineNo">282</span>  // 
============================================================================================<a
 name="line.282"></a>
-<span class="sourceLineNo">283</span>  private final class 
TimeoutExecutorThread extends Thread {<a name="line.283"></a>
-<span class="sourceLineNo">284</span>    private final 
DelayQueue&lt;DelayedWithTimeout&gt; queue = new 
DelayQueue&lt;DelayedWithTimeout&gt;();<a name="line.284"></a>
-<span class="sourceLineNo">285</span><a name="line.285"></a>
-<span class="sourceLineNo">286</span>    public TimeoutExecutorThread() {<a 
name="line.286"></a>
-<span class="sourceLineNo">287</span>      
super("ProcedureDispatcherTimeoutThread");<a name="line.287"></a>
-<span class="sourceLineNo">288</span>    }<a name="line.288"></a>
-<span class="sourceLineNo">289</span><a name="line.289"></a>
-<span class="sourceLineNo">290</span>    @Override<a name="line.290"></a>
-<span class="sourceLineNo">291</span>    public void run() {<a 
name="line.291"></a>
-<span class="sourceLineNo">292</span>      while (running.get()) {<a 
name="line.292"></a>
-<span class="sourceLineNo">293</span>        final DelayedWithTimeout task = 
DelayedUtil.takeWithoutInterrupt(queue);<a name="line.293"></a>
-<span class="sourceLineNo">294</span>        if (task == null || task == 
DelayedUtil.DELAYED_POISON) {<a name="line.294"></a>
-<span class="sourceLineNo">295</span>          // the executor may be shutting 
down, and the task is just the shutdown request<a name="line.295"></a>
-<span class="sourceLineNo">296</span>          continue;<a name="line.296"></a>
-<span class="sourceLineNo">297</span>        }<a name="line.297"></a>
-<span class="sourceLineNo">298</span>        if (task instanceof DelayedTask) 
{<a name="line.298"></a>
-<span class="sourceLineNo">299</span>          
threadPool.execute(((DelayedTask)task).getObject());<a name="line.299"></a>
-<span class="sourceLineNo">300</span>        } else {<a name="line.300"></a>
-<span class="sourceLineNo">301</span>          
((BufferNode)task).dispatch();<a name="line.301"></a>
-<span class="sourceLineNo">302</span>        }<a name="line.302"></a>
-<span class="sourceLineNo">303</span>      }<a name="line.303"></a>
-<span class="sourceLineNo">304</span>    }<a name="line.304"></a>
-<span class="sourceLineNo">305</span><a name="line.305"></a>
-<span class="sourceLineNo">306</span>    public void add(final 
DelayedWithTimeout delayed) {<a name="line.306"></a>
-<span class="sourceLineNo">307</span>      queue.add(delayed);<a 
name="line.307"></a>
-<span class="sourceLineNo">308</span>    }<a name="line.308"></a>
-<span class="sourceLineNo">309</span><a name="line.309"></a>
-<span class="sourceLineNo">310</span>    public void remove(final 
DelayedWithTimeout delayed) {<a name="line.310"></a>
-<span class="sourceLineNo">311</span>      queue.remove(delayed);<a 
name="line.311"></a>
-<span class="sourceLineNo">312</span>    }<a name="line.312"></a>
-<span class="sourceLineNo">313</span><a name="line.313"></a>
-<span class="sourceLineNo">314</span>    public void sendStopSignal() {<a 
name="line.314"></a>
-<span class="sourceLineNo">315</span>      
queue.add(DelayedUtil.DELAYED_POISON);<a name="line.315"></a>
-<span class="sourceLineNo">316</span>    }<a name="line.316"></a>
-<span class="sourceLineNo">317</span><a name="line.317"></a>
-<span class="sourceLineNo">318</span>    public void awaitTermination() {<a 
name="line.318"></a>
-<span class="sourceLineNo">319</span>      try {<a name="line.319"></a>
-<span class="sourceLineNo">320</span>        final long startTime = 
EnvironmentEdgeManager.currentTime();<a name="line.320"></a>
-<span class="sourceLineNo">321</span>        for (int i = 0; isAlive(); ++i) 
{<a name="line.321"></a>
-<span class="sourceLineNo">322</span>          sendStopSignal();<a 
name="line.322"></a>
-<span class="sourceLineNo">323</span>          join(250);<a 
name="line.323"></a>
-<span class="sourceLineNo">324</span>          if (i &gt; 0 &amp;&amp; (i % 8) 
== 0) {<a name="line.324"></a>
-<span class="sourceLineNo">325</span>            LOG.warn("Waiting termination 
of thread " + getName() + ", " +<a name="line.325"></a>
-<span class="sourceLineNo">326</span>              
StringUtils.humanTimeDiff(EnvironmentEdgeManager.currentTime() - startTime));<a 
name="line.326"></a>
-<span class="sourceLineNo">327</span>          }<a name="line.327"></a>
-<span class="sourceLineNo">328</span>        }<a name="line.328"></a>
-<span class="sourceLineNo">329</span>      } catch (InterruptedException e) 
{<a name="line.329"></a>
-<span class="sourceLineNo">330</span>        LOG.warn(getName() + " join wait 
got interrupted", e);<a name="line.330"></a>
-<span class="sourceLineNo">331</span>      }<a name="line.331"></a>
-<span class="sourceLineNo">332</span>    }<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>  // 
============================================================================================<a
 name="line.335"></a>
-<span class="sourceLineNo">336</span>  //  Internals Helpers<a 
name="line.336"></a>
-<span class="sourceLineNo">337</span>  // 
============================================================================================<a
 name="line.337"></a>
-<span class="sourceLineNo">338</span><a name="line.338"></a>
-<span class="sourceLineNo">339</span>  /**<a name="line.339"></a>
-<span class="sourceLineNo">340</span>   * Node that contains a set of 
RemoteProcedures<a name="line.340"></a>
-<span class="sourceLineNo">341</span>   */<a name="line.341"></a>
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extends DelayedContainerWithTimestamp&lt;TRemote&gt;<a name="line.342"></a>
-<span class="sourceLineNo">343</span>      implements RemoteNode&lt;TEnv, 
TRemote&gt; {<a name="line.343"></a>
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operations;<a name="line.344"></a>
-<span class="sourceLineNo">345</span><a name="line.345"></a>
-<span class="sourceLineNo">346</span>    protected BufferNode(final TRemote 
key) {<a name="line.346"></a>
-<span class="sourceLineNo">347</span>      super(key, 0);<a 
name="line.347"></a>
-<span class="sourceLineNo">348</span>    }<a name="line.348"></a>
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-<span class="sourceLineNo">350</span>    @Override<a name="line.350"></a>
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name="line.352"></a>
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-<span class="sourceLineNo">354</span><a name="line.354"></a>
-<span class="sourceLineNo">355</span>    @Override<a name="line.355"></a>
-<span class="sourceLineNo">356</span>    public synchronized void add(final 
RemoteProcedure operation) {<a name="line.356"></a>
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name="line.357"></a>
-<span class="sourceLineNo">358</span>        this.operations = new 
HashSet&lt;&gt;();<a name="line.358"></a>
-<span class="sourceLineNo">359</span>        
setTimeout(EnvironmentEdgeManager.currentTime() + operationDelay);<a 
name="line.359"></a>
-<span class="sourceLineNo">360</span>        timeoutExecutor.add(this);<a 
name="line.360"></a>
-<span class="sourceLineNo">361</span>      }<a name="line.361"></a>
-<span class="sourceLineNo">362</span>      this.operations.add(operation);<a 
name="line.362"></a>
-<span class="sourceLineNo">363</span>      if (this.operations.size() &gt; 
queueMaxSize) {<a name="line.363"></a>
-<span class="sourceLineNo">364</span>        timeoutExecutor.remove(this);<a 
name="line.364"></a>
-<span class="sourceLineNo">365</span>        dispatch();<a name="line.365"></a>
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-<span class="sourceLineNo">369</span>    @Override<a name="line.369"></a>
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{<a name="line.370"></a>
-<span class="sourceLineNo">371</span>      if (operations != null) {<a 
name="line.371"></a>
-<span class="sourceLineNo">372</span>        remoteDispatch(getKey(), 
operations);<a name="line.372"></a>
-<span class="sourceLineNo">373</span>        this.operations = null;<a 
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-<span class="sourceLineNo">376</span><a name="line.376"></a>
-<span class="sourceLineNo">377</span>    public synchronized void 
abortOperationsInQueue() {<a name="line.377"></a>
-<span class="sourceLineNo">378</span>      if (operations != null) {<a 
name="line.378"></a>
-<span class="sourceLineNo">379</span>        abortPendingOperations(getKey(), 
operations);<a name="line.379"></a>
-<span class="sourceLineNo">380</span>        this.operations = null;<a 
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-<span class="sourceLineNo">381</span>      }<a name="line.381"></a>
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-<span class="sourceLineNo">384</span>    @Override<a name="line.384"></a>
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operations=" + this.operations;<a name="line.386"></a>
-<span class="sourceLineNo">387</span>    }<a name="line.387"></a>
-<span class="sourceLineNo">388</span>  }<a name="line.388"></a>
-<span class="sourceLineNo">389</span><a name="line.389"></a>
-<span class="sourceLineNo">390</span>  /**<a name="line.390"></a>
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FutureTask.<a name="line.391"></a>
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the thread-pool.<a name="line.392"></a>
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extends DelayedContainerWithTimestamp&lt;FutureTask&lt;Void&gt;&gt; {<a 
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NullTargetServerDispatchException(rp.toString());<a name="line.171"></a>
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name="line.173"></a>
+<span class="sourceLineNo">174</span>    if (node == null) {<a 
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been removed because it crashed. This happens when server<a name="line.175"></a>
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ServerCrashProcedure may or may not have run.<a name="line.176"></a>
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NoServerDispatchException(key.toString() + "; " + rp.toString());<a 
name="line.177"></a>
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could have been removed by #removeNode.<a name="line.180"></a>
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name="line.181"></a>
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NoNodeDispatchException(key.toString() + "; " + rp.toString());<a 
name="line.182"></a>
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+<span class="sourceLineNo">185</span><a name="line.185"></a>
+<span class="sourceLineNo">186</span>  /**<a name="line.186"></a>
+<span class="sourceLineNo">187</span>   * Remove a remote node<a 
name="line.187"></a>
+<span class="sourceLineNo">188</span>   * @param key the node identifier<a 
name="line.188"></a>
+<span class="sourceLineNo">189</span>   */<a name="line.189"></a>
+<span class="sourceLineNo">190</span>  public boolean removeNode(final TRemote 
key) {<a name="line.190"></a>
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nodeMap.remove(key);<a name="line.191"></a>
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+<span class="sourceLineNo">196</span><a name="line.196"></a>
+<span class="sourceLineNo">197</span>  // 
============================================================================================<a
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+<span class="sourceLineNo">198</span>  //  Task Helpers<a name="line.198"></a>
+<span class="sourceLineNo">199</span>  // 
============================================================================================<a
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submitTask(Callable&lt;Void&gt; task) {<a name="line.200"></a>
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submitTask(Callable&lt;Void&gt; task, long delay, TimeUnit unit) {<a 
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futureTask = new FutureTask(task);<a name="line.205"></a>
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remoteDispatch(TRemote key, Set&lt;RemoteProcedure&gt; operations);<a 
name="line.210"></a>
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abortPendingOperations(TRemote key, Set&lt;RemoteProcedure&gt; operations);<a 
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+<span class="sourceLineNo">213</span>  /**<a name="line.213"></a>
+<span class="sourceLineNo">214</span>   * Data structure with reference to 
remote operation.<a name="line.214"></a>
+<span class="sourceLineNo">215</span>   */<a name="line.215"></a>
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RemoteOperation {<a name="line.216"></a>
+<span class="sourceLineNo">217</span>    private final RemoteProcedure 
remoteProcedure;<a name="line.217"></a>
+<span class="sourceLineNo">218</span><a name="line.218"></a>
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RemoteProcedure remoteProcedure) {<a name="line.219"></a>
+<span class="sourceLineNo">220</span>      this.remoteProcedure = 
remoteProcedure;<a name="line.220"></a>
+<span class="sourceLineNo">221</span>    }<a name="line.221"></a>
+<span class="sourceLineNo">222</span><a name="line.222"></a>
+<span class="sourceLineNo">223</span>    public RemoteProcedure 
getRemoteProcedure() {<a name="line.223"></a>
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name="line.224"></a>
+<span class="sourceLineNo">225</span>    }<a name="line.225"></a>
+<span class="sourceLineNo">226</span>  }<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>   * Remote procedure reference.<a 
name="line.229"></a>
+<span class="sourceLineNo">230</span>   */<a name="line.230"></a>
+<span class="sourceLineNo">231</span>  public interface 
RemoteProcedure&lt;TEnv, TRemote&gt; {<a name="line.231"></a>
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+<span class="sourceLineNo">233</span>     * For building the remote 
operation.<a name="line.233"></a>
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+<span class="sourceLineNo">235</span>    RemoteOperation remoteCallBuild(TEnv 
env, TRemote remote);<a name="line.235"></a>
+<span class="sourceLineNo">236</span><a name="line.236"></a>
+<span class="sourceLineNo">237</span>    /**<a name="line.237"></a>
+<span class="sourceLineNo">238</span>     * Called when the executeProcedure 
call is failed.<a name="line.238"></a>
+<span class="sourceLineNo">239</span>     */<a name="line.239"></a>
+<span class="sourceLineNo">240</span>    void remoteCallFailed(TEnv env, 
TRemote remote, IOException exception);<a name="line.240"></a>
+<span class="sourceLineNo">241</span><a name="line.241"></a>
+<span class="sourceLineNo">242</span>    /**<a name="line.242"></a>
+<span class="sourceLineNo">243</span>     * Called when RS tells the remote 
procedure is succeeded through the<a name="line.243"></a>
+<span class="sourceLineNo">244</span>     * {@code reportProcedureDone} 
method.<a name="line.244"></a>
+<span class="sourceLineNo">245</span>     */<a name="line.245"></a>
+<span class="sourceLineNo">246</span>    void remoteOperationCompleted(TEnv 
env);<a name="line.246"></a>
+<span class="sourceLineNo">247</span><a name="line.247"></a>
+<span class="sourceLineNo">248</span>    /**<a name="line.248"></a>
+<span class="sourceLineNo">249</span>     * Called when RS tells the remote 
procedure is failed through the {@code reportProcedureDone}<a 
name="line.249"></a>
+<span class="sourceLineNo">250</span>     * method.<a name="line.250"></a>
+<span class="sourceLineNo">251</span>     */<a name="line.251"></a>
+<span class="sourceLineNo">252</span>    void remoteOperationFailed(TEnv env, 
RemoteProcedureException error);<a name="line.252"></a>
+<span class="sourceLineNo">253</span>  }<a name="line.253"></a>
+<span class="sourceLineNo">254</span><a name="line.254"></a>
+<span class="sourceLineNo">255</span>  /**<a name="line.255"></a>
+<span class="sourceLineNo">256</span>   * Account of what procedures are 
running on remote node.<a name="line.256"></a>
+<span class="sourceLineNo">257</span>   * @param &lt;TEnv&gt;<a 
name="line.257"></a>
+<span class="sourceLineNo">258</span>   * @param &lt;TRemote&gt;<a 
name="line.258"></a>
+<span class="sourceLineNo">259</span>   */<a name="line.259"></a>
+<span class="sourceLineNo">260</span>  public interface RemoteNode&lt;TEnv, 
TRemote&gt; {<a name="line.260"></a>
+<span class="sourceLineNo">261</span>    TRemote getKey();<a 
name="line.261"></a>
+<span class="sourceLineNo">262</span>    void add(RemoteProcedure&lt;TEnv, 
TRemote&gt; operation);<a name="line.262"></a>
+<span class="sourceLineNo">263</span>    void dispatch();<a 
name="line.263"></a>
+<span class="sourceLineNo">264</span>  }<a name="line.264"></a>
+<span class="sourceLineNo">265</span><a name="line.265"></a>
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ArrayListMultimap&lt;Class&lt;?&gt;, RemoteOperation&gt; 
buildAndGroupRequestByType(final TEnv env,<a name="line.266"></a>
+<span class="sourceLineNo">267</span>      final TRemote remote, final 
Set&lt;RemoteProcedure&gt; remoteProcedures) {<a name="line.267"></a>
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ArrayListMultimap&lt;Class&lt;?&gt;, RemoteOperation&gt; requestByType = 
ArrayListMultimap.create();<a name="line.268"></a>
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remoteProcedures) {<a name="line.269"></a>
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proc.remoteCallBuild(env, remote);<a name="line.270"></a>
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requestByType.put(operation.getClass(), operation);<a name="line.271"></a>
+<span class="sourceLineNo">272</span>    }<a name="line.272"></a>
+<span class="sourceLineNo">273</span>    return requestByType;<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>  protected &lt;T extends 
RemoteOperation&gt; List&lt;T&gt; fetchType(<a name="line.276"></a>
+<span class="sourceLineNo">277</span>      final 
ArrayListMultimap&lt;Class&lt;?&gt;, RemoteOperation&gt; requestByType, final 
Class&lt;T&gt; type) {<a name="line.277"></a>
+<span class="sourceLineNo">278</span>    return 
(List&lt;T&gt;)requestByType.removeAll(type);<a name="line.278"></a>
+<span class="sourceLineNo">279</span>  }<a name="line.279"></a>
+<span class="sourceLineNo">280</span><a name="line.280"></a>
+<span class="sourceLineNo">281</span>  // 
============================================================================================<a
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+<span class="sourceLineNo">282</span>  //  Timeout Helpers<a 
name="line.282"></a>
+<span class="sourceLineNo">283</span>  // 
============================================================================================<a
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+<span class="sourceLineNo">284</span>  private final class 
TimeoutExecutorThread extends Thread {<a name="line.284"></a>
+<span class="sourceLineNo">285</span>    private final 
DelayQueue&lt;DelayedWithTimeout&gt; queue = new 
DelayQueue&lt;DelayedWithTimeout&gt;();<a name="line.285"></a>
+<span class="sourceLineNo">286</span><a name="line.286"></a>
+<span class="sourceLineNo">287</span>    public TimeoutExecutorThread() {<a 
name="line.287"></a>
+<span class="sourceLineNo">288</span>      
super("ProcedureDispatcherTimeoutThread");<a name="line.288"></a>
+<span class="sourceLineNo">289</span>    }<a name="line.289"></a>
+<span class="sourceLineNo">290</span><a name="line.290"></a>
+<span class="sourceLineNo">291</span>    @Override<a name="line.291"></a>
+<span class="sourceLineNo">292</span>    public void run() {<a 
name="line.292"></a>
+<span class="sourceLineNo">293</span>      while (running.get()) {<a 
name="line.293"></a>
+<span class="sourceLineNo">294</span>        final DelayedWithTimeout task = 
DelayedUtil.takeWithoutInterrupt(queue);<a name="line.294"></a>
+<span class="sourceLineNo">295</span>        if (task == null || task == 
DelayedUtil.DELAYED_POISON) {<a name="line.295"></a>
+<span class="sourceLineNo">296</span>          // the executor may be shutting 
down, and the task is just the shutdown request<a name="line.296"></a>
+<span class="sourceLineNo">297</span>          continue;<a name="line.297"></a>
+<span class="sourceLineNo">298</span>        }<a name="line.298"></a>
+<span class="sourceLineNo">299</span>        if (task instanceof DelayedTask) 
{<a name="line.299"></a>
+<span class="sourceLineNo">300</span>          
threadPool.execute(((DelayedTask)task).getObject());<a name="line.300"></a>
+<span class="sourceLineNo">301</span>        } else {<a name="line.301"></a>
+<span class="sourceLineNo">302</span>          
((BufferNode)task).dispatch();<a name="line.302"></a>
+<span class="sourceLineNo">303</span>        }<a name="line.303"></a>
+<span class="sourceLineNo">304</span>      }<a name="line.304"></a>
+<span class="sourceLineNo">305</span>    }<a name="line.305"></a>
+<span class="sourceLineNo">306</span><a name="line.306"></a>
+<span class="sourceLineNo">307</span>    public void add(final 
DelayedWithTimeout delayed) {<a name="line.307"></a>
+<span class="sourceLineNo">308</span>      queue.add(delayed);<a 
name="line.308"></a>
+<span class="sourceLineNo">309</span>    }<a name="line.309"></a>
+<span class="sourceLineNo">310</span><a name="line.310"></a>
+<span class="sourceLineNo">311</span>    public void remove(final 
DelayedWithTimeout delayed) {<a name="line.311"></a>
+<span class="sourceLineNo">312</span>      queue.remove(delayed);<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>    public void sendStopSignal() {<a 
name="line.315"></a>
+<span class="sourceLineNo">316</span>      
queue.add(DelayedUtil.DELAYED_POISON);<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>    public void awaitTermination() {<a 
name="line.319"></a>
+<span class="sourceLineNo">320</span>      try {<a name="line.320"></a>
+<span class="sourceLineNo">321</span>        final long startTime = 
EnvironmentEdgeManager.currentTime();<a name="line.321"></a>
+<span class="sourceLineNo">322</span>        for (int i = 0; isAlive(); ++i) 
{<a name="line.322"></a>
+<span class="sourceLineNo">323</span>          sendStopSignal();<a 
name="line.323"></a>
+<span class="sourceLineNo">324</span>          join(250);<a 
name="line.324"></a>
+<span class="sourceLineNo">325</span>          if (i &gt; 0 &amp;&amp; (i % 8) 
== 0) {<a name="line.325"></a>
+<span class="sourceLineNo">326</span>            LOG.warn("Waiting termination 
of thread " + getName() + ", " +<a name="line.326"></a>
+<span class="sourceLineNo">327</span>              
StringUtils.humanTimeDiff(EnvironmentEdgeManager.currentTime() - startTime));<a 
name="line.327"></a>
+<span class="sourceLineNo">328</span>          }<a name="line.328"></a>
+<span class="sourceLineNo">329</span>        }<a name="line.329"></a>
+<span class="sourceLineNo">330</span>      } catch (InterruptedException e) 
{<a name="line.330"></a>
+<span class="sourceLineNo">331</span>        LOG.warn(getName() + " join wait 
got interrupted", e);<a name="line.331"></a>
+<span class="sourceLineNo">332</span>      }<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><a name="line.335"></a>
+<span class="sourceLineNo">336</span>  // 
============================================================================================<a
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+<span class="sourceLineNo">337</span>  //  Internals Helpers<a 
name="line.337"></a>
+<span class="sourceLineNo">338</span>  // 
============================================================================================<a
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+<span class="sourceLineNo">339</span><a name="line.339"></a>
+<span class="sourceLineNo">340</span>  /**<a name="line.340"></a>
+<span class="sourceLineNo">341</span>   * Node that contains a set of 
RemoteProcedures<a name="line.341"></a>
+<span class="sourceLineNo">342</span>   */<a name="line.342"></a>
+<span class="sourceLineNo">343</span>  protected final class BufferNode 
extends DelayedContainerWithTimestamp&lt;TRemote&gt;<a name="line.343"></a>
+<span class="sourceLineNo">344</span>      implements RemoteNode&lt;TEnv, 
TRemote&gt; {<a name="line.344"></a>
+<span class="sourceLineNo">345</span>    private Set&lt;RemoteProcedure&gt; 
operations;<a name="line.345"></a>
+<span class="sourceLineNo">346</span><a name="line.346"></a>
+<span class="sourceLineNo">347</span>    protected BufferNode(final TRemote 
key) {<a name="line.347"></a>
+<span class="sourceLineNo">348</span>      super(key, 0);<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>    @Override<a name="line.351"></a>
+<span class="sourceLineNo">352</span>    public TRemote getKey() {<a 
name="line.352"></a>
+<span class="sourceLineNo">353</span>      return getObject();<a 
name="line.353"></a>
+<span class="sourceLineNo">354</span>    }<a name="line.354"></a>
+<span class="sourceLineNo">355</span><a name="line.355"></a>
+<span class="sourceLineNo">356</span>    @Override<a name="line.356"></a>
+<span class="sourceLineNo">357</span>    public synchronized void add(final 
RemoteProcedure operation) {<a name="line.357"></a>
+<span class="sourceLineNo">358</span>      if (this.operations == null) {<a 
name="line.358"></a>
+<span class="sourceLineNo">359</span>        this.operations = new 
HashSet&lt;&gt;();<a name="line.359"></a>
+<span class="sourceLineNo">360</span>        
setTimeout(EnvironmentEdgeManager.currentTime() + operationDelay);<a 
name="line.360"></a>
+<span class="sourceLineNo">361</span>        timeoutExecutor.add(this);<a 
name="line.361"></a>
+<span class="sourceLineNo">362</span>      }<a name="line.362"></a>
+<span class="sourceLineNo">363</span>      this.operations.add(operation);<a 
name="line.363"></a>
+<span class="sourceLineNo">364</span>      if (this.operations.size() &gt; 
queueMaxSize) {<a name="line.364"></a>
+<span class="sourceLineNo">365</span>        timeoutExecutor.remove(this);<a 
name="line.365"></a>
+<span class="sourceLineNo">366</span>        dispatch();<a name="line.366"></a>
+<span class="sourceLineNo">367</span>      }<a name="line.367"></a>
+<span class="sourceLineNo">368</span>    }<a name="line.368"></a>
+<span class="sourceLineNo">369</span><a name="line.369"></a>
+<span class="sourceLineNo">370</span>    @Override<a name="line.370"></a>
+<span class="sourceLineNo">371</span>    public synchronized void dispatch() 
{<a name="line.371"></a>
+<span class="sourceLineNo">372</span>      if (operations != null) {<a 
name="line.372"></a>
+<span class="sourceLineNo">373</span>        remoteDispatch(getKey(), 
operations);<a name="line.373"></a>
+<span class="sourceLineNo">374</span>        this.operations = null;<a 
name="line.374"></a>
+<span class="sourceLineNo">375</span>      }<a name="line.375"></a>
+<span class="sourceLineNo">376</span>    }<a name="line.376"></a>
+<span class="sourceLineNo">377</span><a name="line.377"></a>
+<span class="sourceLineNo">378</span>    public synchronized void 
abortOperationsInQueue() {<a name="line.378"></a>
+<span class="sourceLineNo">379</span>      if (operations != null) {<a 
name="line.379"></a>
+<span class="sourceLineNo">380</span>        abortPendingOperations(getKey(), 
operations);<a name="line.380"></a>
+<span class="sourceLineNo">381</span>        this.operations = null;<a 
name="line.381"></a>
+<span class="sourceLineNo">382</span>      }<a name="line.382"></a>
+<span class="sourceLineNo">383</span>    }<a name="line.383"></a>
+<span class="sourceLineNo">384</span><a name="line.384"></a>
+<span class="sourceLineNo">385</span>    @Override<a name="line.385"></a>
+<span class="sourceLineNo">386</span>    public String toString() {<a 
name="line.386"></a>
+<span class="sourceLineNo">387</span>      return super.toString() + ", 
operations=" + this.operations;<a name="line.387"></a>
+<span class="sourceLineNo">388</span>    }<a name="line.388"></a>
+<span class="sourceLineNo">389</span>  }<a name="line.389"></a>
+<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>   * Delayed object that holds a 
FutureTask.<a name="line.392"></a>
+<span class="sourceLineNo">393</span>   * used to submit something later to 
the thread-pool.<a name="line.393"></a>
+<span class="sourceLineNo">394</span>   */<a name="line.394"></a>
+<span class="sourceLineNo">395</span>  private static final class DelayedTask 
extends DelayedContainerWithTimestamp&lt;FutureTask&lt;Void&gt;&gt; {<a 
name="line.395"></a>
+<span class="sourceLineNo">396</span>    public DelayedTask(final 
FutureTask&lt;Void&gt; task, final long delay, final TimeUnit unit) {<a 
name="line.396"></a>
+<span class="sourceLineNo">397</span>      super(task, 
EnvironmentEdgeManager.currentTime() + unit.toMillis(delay));<a 
name="line.397"></a>
+<span class="sourceLineNo">398</span>    }<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>
[08/51] [partial] hbase-site git commit: Published site at 7d3750bd9fc9747623549c242cc4171e224b3eaf.

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