| /** |
| * 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.hdfs.server.federation.resolver; |
| |
| import org.apache.hadoop.hdfs.server.federation.router.RemoteLocationContext; |
| |
| /** |
| * Represents information about a single nameservice/namespace in a federated |
| * HDFS cluster. |
| */ |
| public class FederationNamespaceInfo extends RemoteLocationContext { |
| |
| /** Block pool identifier. */ |
| private final String blockPoolId; |
| /** Cluster identifier. */ |
| private final String clusterId; |
| /** Nameservice identifier. */ |
| private final String nameserviceId; |
| |
| public FederationNamespaceInfo(String bpId, String clId, String nsId) { |
| this.blockPoolId = bpId; |
| this.clusterId = clId; |
| this.nameserviceId = nsId; |
| } |
| |
| @Override |
| public String getNameserviceId() { |
| return this.nameserviceId; |
| } |
| |
| @Override |
| public String getDest() { |
| return this.nameserviceId; |
| } |
| |
| @Override |
| public String getSrc() { |
| return null; |
| } |
| |
| /** |
| * The HDFS cluster id for this namespace. |
| * |
| * @return Cluster identifier. |
| */ |
| public String getClusterId() { |
| return this.clusterId; |
| } |
| |
| /** |
| * The HDFS block pool id for this namespace. |
| * |
| * @return Block pool identifier. |
| */ |
| public String getBlockPoolId() { |
| return this.blockPoolId; |
| } |
| |
| @Override |
| public String toString() { |
| return this.nameserviceId + "->" + this.blockPoolId + ":" + this.clusterId; |
| } |
| } |