| /** |
| * 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.common; |
| |
| |
| /** |
| * Common class for storage information. |
| * |
| * TODO namespaceID should be long and computed as hash(address + port) |
| */ |
| public class StorageInfo { |
| public int layoutVersion; // Version read from the stored file. |
| public int namespaceID; // namespace id of the storage |
| public long cTime; // creation timestamp |
| |
| public StorageInfo () { |
| this(0, 0, 0L); |
| } |
| |
| public StorageInfo(int layoutV, int nsID, long cT) { |
| layoutVersion = layoutV; |
| namespaceID = nsID; |
| cTime = cT; |
| } |
| |
| public StorageInfo(StorageInfo from) { |
| setStorageInfo(from); |
| } |
| |
| public int getLayoutVersion(){ return layoutVersion; } |
| public int getNamespaceID() { return namespaceID; } |
| public long getCTime() { return cTime; } |
| |
| public void setStorageInfo(StorageInfo from) { |
| layoutVersion = from.layoutVersion; |
| namespaceID = from.namespaceID; |
| cTime = from.cTime; |
| } |
| } |