hbase-client/src/main/java/org/apache/hadoop/hbase/client/AsyncAdminRequestRetryingCaller.java

   1 /**
   2  * Licensed to the Apache Software Foundation (ASF) under one
   3  * or more contributor license agreements.  See the NOTICE file
   4  * distributed with this work for additional information
   5  * regarding copyright ownership.  The ASF licenses this file
   6  * to you under the Apache License, Version 2.0 (the
   7  * "License"); you may not use this file except in compliance
   8  * with the License.  You may obtain a copy of the License at
   9  *
  10  *     http://www.apache.org/licenses/LICENSE-2.0
  11  *
  12  * Unless required by applicable law or agreed to in writing, software
  13  * distributed under the License is distributed on an "AS IS" BASIS,
  14  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  15  * See the License for the specific language governing permissions and
  16  * limitations under the License.
  17  */
  18 package org.apache.hadoop.hbase.client;
  19
  20 import static org.apache.hadoop.hbase.util.FutureUtils.addListener;
  21
  22 import java.io.IOException;
  23 import java.util.concurrent.CompletableFuture;
  24 import org.apache.hadoop.hbase.ServerName;
  25 import org.apache.hadoop.hbase.ipc.HBaseRpcController;
  26 import org.apache.yetus.audience.InterfaceAudience;
  27
  28 import org.apache.hbase.thirdparty.io.netty.util.Timer;
  29
  30 import org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.AdminService;
  31
  32 /**
  33  * @since 2.0.0
  34  */
  35 @InterfaceAudience.Private
  36 public class AsyncAdminRequestRetryingCaller<T> extends AsyncRpcRetryingCaller<T> {
  37
  38   @FunctionalInterface
  39   public interface Callable<T> {
  40     CompletableFuture<T> call(HBaseRpcController controller, AdminService.Interface stub);
  41   }
  42
  43   private final Callable<T> callable;
  44   private ServerName serverName;
  45
  46   public AsyncAdminRequestRetryingCaller(Timer retryTimer, AsyncConnectionImpl conn, int priority,
  47       long pauseNs, long pauseForCQTBENs, int maxAttempts, long operationTimeoutNs,
  48       long rpcTimeoutNs, int startLogErrorsCnt, ServerName serverName, Callable<T> callable) {
  49     super(retryTimer, conn, priority, pauseNs, pauseForCQTBENs, maxAttempts, operationTimeoutNs,
  50       rpcTimeoutNs, startLogErrorsCnt);
  51     this.serverName = serverName;
  52     this.callable = callable;
  53   }
  54
  55   @Override
  56   protected void doCall() {
  57     AdminService.Interface adminStub;
  58     try {
  59       adminStub = this.conn.getAdminStub(serverName);
  60     } catch (IOException e) {
  61       onError(e, () -> "Get async admin stub to " + serverName + " failed", err -> {
  62       });
  63       return;
  64     }
  65     resetCallTimeout();
  66     addListener(callable.call(controller, adminStub), (result, error) -> {
  67       if (error != null) {
  68         onError(error, () -> "Call to admin stub failed", err -> {
  69         });
  70         return;
  71       }
  72       future.complete(result);
  73     });
  74   }
  75 }