001/**
002 * Licensed to the Apache Software Foundation (ASF) under one
003 * or more contributor license agreements.  See the NOTICE file
004 * distributed with this work for additional information
005 * regarding copyright ownership.  The ASF licenses this file
006 * to you under the Apache License, Version 2.0 (the
007 * "License"); you may not use this file except in compliance
008 * with the License.  You may obtain a copy of the License at
009 *
010 *     http://www.apache.org/licenses/LICENSE-2.0
011 *
012 * Unless required by applicable law or agreed to in writing, software
013 * distributed under the License is distributed on an "AS IS" BASIS,
014 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
015 * See the License for the specific language governing permissions and
016 * limitations under the License.
017 */
018package org.apache.hadoop.hbase.client;
019
020import static org.apache.hadoop.hbase.util.FutureUtils.addListener;
021
022import java.io.IOException;
023import java.util.concurrent.CompletableFuture;
024import org.apache.hadoop.hbase.ServerName;
025import org.apache.hadoop.hbase.ipc.HBaseRpcController;
026import org.apache.yetus.audience.InterfaceAudience;
027
028import org.apache.hbase.thirdparty.io.netty.util.Timer;
029
030import org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.AdminService;
031
032/**
033 * @since 2.0.0
034 */
035@InterfaceAudience.Private
036public class AsyncAdminRequestRetryingCaller<T> extends AsyncRpcRetryingCaller<T> {
037
038  @FunctionalInterface
039  public interface Callable<T> {
040    CompletableFuture<T> call(HBaseRpcController controller, AdminService.Interface stub);
041  }
042
043  private final Callable<T> callable;
044  private ServerName serverName;
045
046  public AsyncAdminRequestRetryingCaller(Timer retryTimer, AsyncConnectionImpl conn,
047      long pauseNs, int maxAttempts, long operationTimeoutNs, long rpcTimeoutNs,
048      int startLogErrorsCnt, ServerName serverName, Callable<T> callable) {
049    super(retryTimer, conn, pauseNs, maxAttempts, operationTimeoutNs, rpcTimeoutNs,
050        startLogErrorsCnt);
051    this.serverName = serverName;
052    this.callable = callable;
053  }
054
055  @Override
056  protected void doCall() {
057    AdminService.Interface adminStub;
058    try {
059      adminStub = this.conn.getAdminStub(serverName);
060    } catch (IOException e) {
061      onError(e, () -> "Get async admin stub to " + serverName + " failed", err -> {
062      });
063      return;
064    }
065    resetCallTimeout();
066    addListener(callable.call(controller, adminStub), (result, error) -> {
067      if (error != null) {
068        onError(error, () -> "Call to admin stub failed", err -> {
069        });
070        return;
071      }
072      future.complete(result);
073    });
074  }
075}