| /** |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package org.apache.hadoop.hbase.client; |
| |
| import static org.apache.hadoop.hbase.util.FutureUtils.addListener; |
| |
| import java.io.IOException; |
| import java.util.Optional; |
| import java.util.concurrent.CompletableFuture; |
| import org.apache.hadoop.hbase.HRegionLocation; |
| import org.apache.hadoop.hbase.TableName; |
| import org.apache.hadoop.hbase.ipc.HBaseRpcController; |
| import org.apache.hadoop.hbase.util.Bytes; |
| import org.apache.yetus.audience.InterfaceAudience; |
| |
| import org.apache.hbase.thirdparty.io.netty.util.Timer; |
| |
| import org.apache.hadoop.hbase.shaded.protobuf.generated.ClientProtos.ClientService; |
| |
| /** |
| * Retry caller for a single request, such as get, put, delete, etc. |
| */ |
| @InterfaceAudience.Private |
| class AsyncSingleRequestRpcRetryingCaller<T> extends AsyncRpcRetryingCaller<T> { |
| |
| @FunctionalInterface |
| public interface Callable<T> { |
| CompletableFuture<T> call(HBaseRpcController controller, HRegionLocation loc, |
| ClientService.Interface stub); |
| } |
| |
| private final TableName tableName; |
| |
| private final byte[] row; |
| |
| private final int replicaId; |
| |
| private final RegionLocateType locateType; |
| |
| private final Callable<T> callable; |
| |
| public AsyncSingleRequestRpcRetryingCaller(Timer retryTimer, AsyncConnectionImpl conn, |
| TableName tableName, byte[] row, int replicaId, RegionLocateType locateType, |
| Callable<T> callable, int priority, long pauseNs, long pauseForCQTBENs, int maxAttempts, |
| long operationTimeoutNs, long rpcTimeoutNs, int startLogErrorsCnt) { |
| super(retryTimer, conn, priority, pauseNs, pauseForCQTBENs, maxAttempts, operationTimeoutNs, |
| rpcTimeoutNs, startLogErrorsCnt); |
| this.tableName = tableName; |
| this.row = row; |
| this.replicaId = replicaId; |
| this.locateType = locateType; |
| this.callable = callable; |
| } |
| |
| private void call(HRegionLocation loc) { |
| ClientService.Interface stub; |
| try { |
| stub = conn.getRegionServerStub(loc.getServerName()); |
| } catch (IOException e) { |
| onError(e, |
| () -> "Get async stub to " + loc.getServerName() + " for '" + Bytes.toStringBinary(row) + |
| "' in " + loc.getRegion().getEncodedName() + " of " + tableName + " failed", |
| err -> conn.getLocator().updateCachedLocationOnError(loc, err)); |
| return; |
| } |
| resetCallTimeout(); |
| addListener(callable.call(controller, loc, stub), (result, error) -> { |
| if (error != null) { |
| onError(error, |
| () -> "Call to " + loc.getServerName() + " for '" + Bytes.toStringBinary(row) + "' in " + |
| loc.getRegion().getEncodedName() + " of " + tableName + " failed", |
| err -> conn.getLocator().updateCachedLocationOnError(loc, err)); |
| return; |
| } |
| future.complete(result); |
| }); |
| } |
| |
| @Override |
| protected void doCall() { |
| long locateTimeoutNs; |
| if (operationTimeoutNs > 0) { |
| locateTimeoutNs = remainingTimeNs(); |
| if (locateTimeoutNs <= 0) { |
| completeExceptionally(); |
| return; |
| } |
| } else { |
| locateTimeoutNs = -1L; |
| } |
| addListener( |
| conn.getLocator().getRegionLocation(tableName, row, replicaId, locateType, locateTimeoutNs), |
| (loc, error) -> { |
| if (error != null) { |
| onError(error, |
| () -> "Locate '" + Bytes.toStringBinary(row) + "' in " + tableName + " failed", err -> { |
| }); |
| return; |
| } |
| call(loc); |
| }); |
| } |
| |
| @Override |
| protected Optional<TableName> getTableName() { |
| return Optional.of(tableName); |
| } |
| } |