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.Collections; 024import java.util.concurrent.CompletableFuture; 025import org.apache.hadoop.hbase.ServerName; 026import org.apache.hadoop.hbase.ipc.HBaseRpcController; 027import org.apache.yetus.audience.InterfaceAudience; 028 029import org.apache.hbase.thirdparty.io.netty.util.Timer; 030 031import org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.AdminService; 032 033@InterfaceAudience.Private 034public class AsyncAdminRequestRetryingCaller<T> extends AsyncRpcRetryingCaller<T> { 035 036 @FunctionalInterface 037 public interface Callable<T> { 038 CompletableFuture<T> call(HBaseRpcController controller, AdminService.Interface stub); 039 } 040 041 private final Callable<T> callable; 042 private ServerName serverName; 043 044 public AsyncAdminRequestRetryingCaller(Timer retryTimer, AsyncConnectionImpl conn, int priority, 045 long pauseNs, long pauseNsForServerOverloaded, int maxAttempts, long operationTimeoutNs, 046 long rpcTimeoutNs, int startLogErrorsCnt, ServerName serverName, Callable<T> callable) { 047 super(retryTimer, conn, priority, pauseNs, pauseNsForServerOverloaded, maxAttempts, 048 operationTimeoutNs, rpcTimeoutNs, startLogErrorsCnt, Collections.emptyMap()); 049 this.serverName = serverName; 050 this.callable = callable; 051 } 052 053 @Override 054 protected void doCall() { 055 AdminService.Interface adminStub; 056 try { 057 adminStub = this.conn.getAdminStub(serverName); 058 } catch (IOException e) { 059 onError(e, () -> "Get async admin stub to " + serverName + " failed", err -> { 060 }); 061 return; 062 } 063 resetCallTimeout(); 064 addListener(callable.call(controller, adminStub), (result, error) -> { 065 if (error != null) { 066 onError(error, () -> "Call to admin stub failed", err -> { 067 }); 068 return; 069 } 070 future.complete(result); 071 }); 072 } 073}