| /** |
| * 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.protocol; |
| |
| import java.util.Date; |
| |
| import org.apache.hadoop.classification.InterfaceAudience; |
| import org.apache.hadoop.classification.InterfaceStability; |
| |
| /** |
| * Rolling upgrade information |
| */ |
| @InterfaceAudience.Private |
| @InterfaceStability.Evolving |
| public class RollingUpgradeInfo extends RollingUpgradeStatus { |
| private final long startTime; |
| private long finalizeTime; |
| private boolean createdRollbackImages; |
| |
| public RollingUpgradeInfo(String blockPoolId, boolean createdRollbackImages, |
| long startTime, long finalizeTime) { |
| super(blockPoolId, finalizeTime != 0); |
| this.createdRollbackImages = createdRollbackImages; |
| this.startTime = startTime; |
| this.finalizeTime = finalizeTime; |
| } |
| |
| public boolean createdRollbackImages() { |
| return createdRollbackImages; |
| } |
| |
| public void setCreatedRollbackImages(boolean created) { |
| this.createdRollbackImages = created; |
| } |
| |
| public boolean isStarted() { |
| return startTime != 0; |
| } |
| |
| /** @return The rolling upgrade starting time. */ |
| public long getStartTime() { |
| return startTime; |
| } |
| |
| @Override |
| public boolean isFinalized() { |
| return finalizeTime != 0; |
| } |
| |
| /** |
| * Finalize the upgrade if not already finalized |
| */ |
| public void finalize(long finalizeTime) { |
| if (finalizeTime != 0) { |
| this.finalizeTime = finalizeTime; |
| createdRollbackImages = false; |
| } |
| } |
| |
| public long getFinalizeTime() { |
| return finalizeTime; |
| } |
| |
| @Override |
| public int hashCode() { |
| //only use lower 32 bits |
| return super.hashCode() ^ (int)startTime ^ (int)finalizeTime; |
| } |
| |
| @Override |
| public boolean equals(Object obj) { |
| if (obj == this) { |
| return true; |
| } else if (obj == null || !(obj instanceof RollingUpgradeInfo)) { |
| return false; |
| } |
| final RollingUpgradeInfo that = (RollingUpgradeInfo)obj; |
| return super.equals(that) |
| && this.startTime == that.startTime |
| && this.finalizeTime == that.finalizeTime; |
| } |
| |
| @Override |
| public String toString() { |
| return super.toString() |
| + "\n Start Time: " |
| + (startTime == 0 ? "<NOT STARTED>" : timestamp2String(startTime)) |
| + "\n Finalize Time: " |
| + (finalizeTime == 0 ? "<NOT FINALIZED>" : |
| timestamp2String(finalizeTime)); |
| } |
| |
| private static String timestamp2String(long timestamp) { |
| return new Date(timestamp) + " (=" + timestamp + ")"; |
| } |
| |
| public static class Bean { |
| private final String blockPoolId; |
| private final long startTime; |
| private final long finalizeTime; |
| private final boolean createdRollbackImages; |
| |
| public Bean(RollingUpgradeInfo f) { |
| this.blockPoolId = f.getBlockPoolId(); |
| this.startTime = f.startTime; |
| this.finalizeTime = f.finalizeTime; |
| this.createdRollbackImages = f.createdRollbackImages(); |
| } |
| |
| public String getBlockPoolId() { |
| return blockPoolId; |
| } |
| |
| public long getStartTime() { |
| return startTime; |
| } |
| |
| public long getFinalizeTime() { |
| return finalizeTime; |
| } |
| |
| public boolean isCreatedRollbackImages() { |
| return createdRollbackImages; |
| } |
| } |
| } |