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<pre><span class="source-line-no">001</span><span id="line-1">/*</span>
<span class="source-line-no">002</span><span id="line-2"> * Licensed to the Apache Software Foundation (ASF) under one</span>
<span class="source-line-no">003</span><span id="line-3"> * or more contributor license agreements. See the NOTICE file</span>
<span class="source-line-no">004</span><span id="line-4"> * distributed with this work for additional information</span>
<span class="source-line-no">005</span><span id="line-5"> * regarding copyright ownership. The ASF licenses this file</span>
<span class="source-line-no">006</span><span id="line-6"> * to you under the Apache License, Version 2.0 (the</span>
<span class="source-line-no">007</span><span id="line-7"> * "License"); you may not use this file except in compliance</span>
<span class="source-line-no">008</span><span id="line-8"> * with the License. You may obtain a copy of the License at</span>
<span class="source-line-no">009</span><span id="line-9"> *</span>
<span class="source-line-no">010</span><span id="line-10"> * http://www.apache.org/licenses/LICENSE-2.0</span>
<span class="source-line-no">011</span><span id="line-11"> *</span>
<span class="source-line-no">012</span><span id="line-12"> * Unless required by applicable law or agreed to in writing, software</span>
<span class="source-line-no">013</span><span id="line-13"> * distributed under the License is distributed on an "AS IS" BASIS,</span>
<span class="source-line-no">014</span><span id="line-14"> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</span>
<span class="source-line-no">015</span><span id="line-15"> * See the License for the specific language governing permissions and</span>
<span class="source-line-no">016</span><span id="line-16"> * limitations under the License.</span>
<span class="source-line-no">017</span><span id="line-17"> */</span>
<span class="source-line-no">018</span><span id="line-18">package org.apache.hadoop.hbase.ipc;</span>
<span class="source-line-no">019</span><span id="line-19"></span>
<span class="source-line-no">020</span><span id="line-20">import java.io.IOException;</span>
<span class="source-line-no">021</span><span id="line-21">import java.net.InetAddress;</span>
<span class="source-line-no">022</span><span id="line-22">import org.apache.hadoop.hbase.ExtendedCellScanner;</span>
<span class="source-line-no">023</span><span id="line-23">import org.apache.hadoop.hbase.io.ByteBuffAllocator;</span>
<span class="source-line-no">024</span><span id="line-24">import org.apache.hadoop.hbase.ipc.RpcServer.CallCleanup;</span>
<span class="source-line-no">025</span><span id="line-25">import org.apache.yetus.audience.InterfaceAudience;</span>
<span class="source-line-no">026</span><span id="line-26"></span>
<span class="source-line-no">027</span><span id="line-27">import org.apache.hbase.thirdparty.com.google.protobuf.BlockingService;</span>
<span class="source-line-no">028</span><span id="line-28">import org.apache.hbase.thirdparty.com.google.protobuf.Descriptors.MethodDescriptor;</span>
<span class="source-line-no">029</span><span id="line-29">import org.apache.hbase.thirdparty.com.google.protobuf.Message;</span>
<span class="source-line-no">030</span><span id="line-30"></span>
<span class="source-line-no">031</span><span id="line-31">import org.apache.hadoop.hbase.shaded.protobuf.generated.RPCProtos.RequestHeader;</span>
<span class="source-line-no">032</span><span id="line-32"></span>
<span class="source-line-no">033</span><span id="line-33">/**</span>
<span class="source-line-no">034</span><span id="line-34"> * Datastructure that holds all necessary to a method invocation and then afterward, carries the</span>
<span class="source-line-no">035</span><span id="line-35"> * result.</span>
<span class="source-line-no">036</span><span id="line-36"> */</span>
<span class="source-line-no">037</span><span id="line-37">@Deprecated</span>
<span class="source-line-no">038</span><span id="line-38">@InterfaceAudience.Private</span>
<span class="source-line-no">039</span><span id="line-39">class SimpleServerCall extends ServerCall&lt;SimpleServerRpcConnection&gt; {</span>
<span class="source-line-no">040</span><span id="line-40"></span>
<span class="source-line-no">041</span><span id="line-41"> final SimpleRpcServerResponder responder;</span>
<span class="source-line-no">042</span><span id="line-42"></span>
<span class="source-line-no">043</span><span id="line-43"> @edu.umd.cs.findbugs.annotations.SuppressWarnings(value = "NP_NULL_ON_SOME_PATH",</span>
<span class="source-line-no">044</span><span id="line-44"> justification = "Can't figure why this complaint is happening... see below")</span>
<span class="source-line-no">045</span><span id="line-45"> SimpleServerCall(int id, final BlockingService service, final MethodDescriptor md,</span>
<span class="source-line-no">046</span><span id="line-46"> RequestHeader header, Message param, ExtendedCellScanner cellScanner,</span>
<span class="source-line-no">047</span><span id="line-47"> SimpleServerRpcConnection connection, long size, final InetAddress remoteAddress,</span>
<span class="source-line-no">048</span><span id="line-48"> long receiveTime, int timeout, ByteBuffAllocator bbAllocator, CellBlockBuilder cellBlockBuilder,</span>
<span class="source-line-no">049</span><span id="line-49"> CallCleanup reqCleanup, SimpleRpcServerResponder responder) {</span>
<span class="source-line-no">050</span><span id="line-50"> super(id, service, md, header, param, cellScanner, connection, size, remoteAddress, receiveTime,</span>
<span class="source-line-no">051</span><span id="line-51"> timeout, bbAllocator, cellBlockBuilder, reqCleanup);</span>
<span class="source-line-no">052</span><span id="line-52"> this.responder = responder;</span>
<span class="source-line-no">053</span><span id="line-53"> }</span>
<span class="source-line-no">054</span><span id="line-54"></span>
<span class="source-line-no">055</span><span id="line-55"> /**</span>
<span class="source-line-no">056</span><span id="line-56"> * Call is done. Execution happened and we returned results to client. It is now safe to cleanup.</span>
<span class="source-line-no">057</span><span id="line-57"> */</span>
<span class="source-line-no">058</span><span id="line-58"> @edu.umd.cs.findbugs.annotations.SuppressWarnings(value = "IS2_INCONSISTENT_SYNC",</span>
<span class="source-line-no">059</span><span id="line-59"> justification = "Presume the lock on processing request held by caller is protection enough")</span>
<span class="source-line-no">060</span><span id="line-60"> @Override</span>
<span class="source-line-no">061</span><span id="line-61"> public void done() {</span>
<span class="source-line-no">062</span><span id="line-62"> super.done();</span>
<span class="source-line-no">063</span><span id="line-63"> this.getConnection().decRpcCount(); // Say that we're done with this call.</span>
<span class="source-line-no">064</span><span id="line-64"> }</span>
<span class="source-line-no">065</span><span id="line-65"></span>
<span class="source-line-no">066</span><span id="line-66"> @Override</span>
<span class="source-line-no">067</span><span id="line-67"> public synchronized void sendResponseIfReady() throws IOException {</span>
<span class="source-line-no">068</span><span id="line-68"> // set param null to reduce memory pressure</span>
<span class="source-line-no">069</span><span id="line-69"> this.param = null;</span>
<span class="source-line-no">070</span><span id="line-70"> this.responder.doRespond(getConnection(), this);</span>
<span class="source-line-no">071</span><span id="line-71"> }</span>
<span class="source-line-no">072</span><span id="line-72"></span>
<span class="source-line-no">073</span><span id="line-73"> SimpleServerRpcConnection getConnection() {</span>
<span class="source-line-no">074</span><span id="line-74"> return this.connection;</span>
<span class="source-line-no">075</span><span id="line-75"> }</span>
<span class="source-line-no">076</span><span id="line-76">}</span>
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