| /** |
| * 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.ipc; |
| |
| import java.io.IOException; |
| import java.net.SocketAddress; |
| import javax.net.SocketFactory; |
| import org.apache.hadoop.conf.Configuration; |
| import org.apache.hadoop.hbase.HConstants; |
| import org.apache.hadoop.hbase.client.MetricsConnection; |
| import org.apache.hadoop.net.NetUtils; |
| import org.apache.yetus.audience.InterfaceAudience; |
| |
| /** |
| * Does RPC against a cluster. Manages connections per regionserver in the cluster. |
| * <p> |
| * See HBaseServer |
| */ |
| @InterfaceAudience.Private |
| public class BlockingRpcClient extends AbstractRpcClient<BlockingRpcConnection> { |
| |
| protected final SocketFactory socketFactory; // how to create sockets |
| |
| /** |
| * Used in test only. Construct an IPC client for the cluster {@code clusterId} with the default |
| * SocketFactory |
| */ |
| BlockingRpcClient(Configuration conf) { |
| this(conf, HConstants.CLUSTER_ID_DEFAULT, null, null); |
| } |
| |
| /** |
| * Construct an IPC client for the cluster {@code clusterId} with the default SocketFactory This |
| * method is called with reflection by the RpcClientFactory to create an instance |
| * @param conf configuration |
| * @param clusterId the cluster id |
| * @param localAddr client socket bind address. |
| * @param metrics the connection metrics |
| */ |
| public BlockingRpcClient(Configuration conf, String clusterId, SocketAddress localAddr, |
| MetricsConnection metrics) { |
| super(conf, clusterId, localAddr, metrics); |
| this.socketFactory = NetUtils.getDefaultSocketFactory(conf); |
| } |
| |
| /** |
| * Creates a connection. Can be overridden by a subclass for testing. |
| * @param remoteId - the ConnectionId to use for the connection creation. |
| */ |
| @Override |
| protected BlockingRpcConnection createConnection(ConnectionId remoteId) throws IOException { |
| return new BlockingRpcConnection(this, remoteId); |
| } |
| |
| @Override |
| protected void closeInternal() { |
| } |
| } |