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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.client;</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 static org.apache.hadoop.hbase.util.FutureUtils.addListener;</span> |
| <span class="source-line-no">021</span><span id="line-21"></span> |
| <span class="source-line-no">022</span><span id="line-22">import java.util.Collections;</span> |
| <span class="source-line-no">023</span><span id="line-23">import java.util.concurrent.CompletableFuture;</span> |
| <span class="source-line-no">024</span><span id="line-24">import org.apache.hadoop.hbase.exceptions.ClientExceptionsUtil;</span> |
| <span class="source-line-no">025</span><span id="line-25">import org.apache.hadoop.hbase.ipc.HBaseRpcController;</span> |
| <span class="source-line-no">026</span><span id="line-26">import org.apache.hadoop.hbase.ipc.ServerNotRunningYetException;</span> |
| <span class="source-line-no">027</span><span id="line-27">import org.apache.yetus.audience.InterfaceAudience;</span> |
| <span class="source-line-no">028</span><span id="line-28"></span> |
| <span class="source-line-no">029</span><span id="line-29">import org.apache.hbase.thirdparty.io.netty.util.Timer;</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.MasterProtos.MasterService;</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"> * Retry caller for a request call to master.</span> |
| <span class="source-line-no">035</span><span id="line-35"> * @since 2.0.0</span> |
| <span class="source-line-no">036</span><span id="line-36"> */</span> |
| <span class="source-line-no">037</span><span id="line-37">@InterfaceAudience.Private</span> |
| <span class="source-line-no">038</span><span id="line-38">public class AsyncMasterRequestRpcRetryingCaller<T> extends AsyncRpcRetryingCaller<T> {</span> |
| <span class="source-line-no">039</span><span id="line-39"></span> |
| <span class="source-line-no">040</span><span id="line-40"> @FunctionalInterface</span> |
| <span class="source-line-no">041</span><span id="line-41"> public interface Callable<T> {</span> |
| <span class="source-line-no">042</span><span id="line-42"> CompletableFuture<T> call(HBaseRpcController controller, MasterService.Interface stub);</span> |
| <span class="source-line-no">043</span><span id="line-43"> }</span> |
| <span class="source-line-no">044</span><span id="line-44"></span> |
| <span class="source-line-no">045</span><span id="line-45"> private final Callable<T> callable;</span> |
| <span class="source-line-no">046</span><span id="line-46"></span> |
| <span class="source-line-no">047</span><span id="line-47"> public AsyncMasterRequestRpcRetryingCaller(Timer retryTimer, AsyncConnectionImpl conn,</span> |
| <span class="source-line-no">048</span><span id="line-48"> Callable<T> callable, int priority, long pauseNs, long pauseNsForServerOverloaded,</span> |
| <span class="source-line-no">049</span><span id="line-49"> int maxRetries, long operationTimeoutNs, long rpcTimeoutNs, int startLogErrorsCnt) {</span> |
| <span class="source-line-no">050</span><span id="line-50"> super(retryTimer, conn, priority, pauseNs, pauseNsForServerOverloaded, maxRetries,</span> |
| <span class="source-line-no">051</span><span id="line-51"> operationTimeoutNs, rpcTimeoutNs, startLogErrorsCnt, Collections.emptyMap());</span> |
| <span class="source-line-no">052</span><span id="line-52"> this.callable = callable;</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"> private void clearMasterStubCacheOnError(MasterService.Interface stub, Throwable error) {</span> |
| <span class="source-line-no">056</span><span id="line-56"> // ServerNotRunningYetException may because it is the backup master.</span> |
| <span class="source-line-no">057</span><span id="line-57"> if (</span> |
| <span class="source-line-no">058</span><span id="line-58"> ClientExceptionsUtil.isConnectionException(error)</span> |
| <span class="source-line-no">059</span><span id="line-59"> || error instanceof ServerNotRunningYetException</span> |
| <span class="source-line-no">060</span><span id="line-60"> ) {</span> |
| <span class="source-line-no">061</span><span id="line-61"> conn.clearMasterStubCache(stub);</span> |
| <span class="source-line-no">062</span><span id="line-62"> }</span> |
| <span class="source-line-no">063</span><span id="line-63"> }</span> |
| <span class="source-line-no">064</span><span id="line-64"></span> |
| <span class="source-line-no">065</span><span id="line-65"> @Override</span> |
| <span class="source-line-no">066</span><span id="line-66"> protected void doCall() {</span> |
| <span class="source-line-no">067</span><span id="line-67"> addListener(conn.getMasterStub(), (stub, error) -> {</span> |
| <span class="source-line-no">068</span><span id="line-68"> if (error != null) {</span> |
| <span class="source-line-no">069</span><span id="line-69"> onError(error, () -> "Get async master stub failed", err -> {</span> |
| <span class="source-line-no">070</span><span id="line-70"> });</span> |
| <span class="source-line-no">071</span><span id="line-71"> return;</span> |
| <span class="source-line-no">072</span><span id="line-72"> }</span> |
| <span class="source-line-no">073</span><span id="line-73"> resetCallTimeout();</span> |
| <span class="source-line-no">074</span><span id="line-74"> addListener(callable.call(controller, stub), (result, error2) -> {</span> |
| <span class="source-line-no">075</span><span id="line-75"> if (error2 != null) {</span> |
| <span class="source-line-no">076</span><span id="line-76"> onError(error2, () -> "Call to master failed",</span> |
| <span class="source-line-no">077</span><span id="line-77"> err -> clearMasterStubCacheOnError(stub, error2));</span> |
| <span class="source-line-no">078</span><span id="line-78"> return;</span> |
| <span class="source-line-no">079</span><span id="line-79"> }</span> |
| <span class="source-line-no">080</span><span id="line-80"> future.complete(result);</span> |
| <span class="source-line-no">081</span><span id="line-81"> });</span> |
| <span class="source-line-no">082</span><span id="line-82"> });</span> |
| <span class="source-line-no">083</span><span id="line-83"> }</span> |
| <span class="source-line-no">084</span><span id="line-84">}</span> |
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