| /** |
| * 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.tajo; |
| |
| import com.google.common.base.Objects; |
| |
| public class TaskId implements Comparable<TaskId> { |
| public static final String QU_ID_PREFIX = "t"; |
| |
| private ExecutionBlockId executionBlockId; |
| private int id; |
| |
| public TaskId(ExecutionBlockId executionBlockId, int id) { |
| this.executionBlockId = executionBlockId; |
| this.id = id; |
| } |
| |
| public TaskId(TajoIdProtos.TaskIdProto proto) { |
| this(new ExecutionBlockId(proto.getExecutionBlockId()), proto.getId()); |
| } |
| |
| public ExecutionBlockId getExecutionBlockId() { |
| return executionBlockId; |
| } |
| |
| public int getId() { |
| return id; |
| } |
| |
| public TajoIdProtos.TaskIdProto getProto() { |
| return TajoIdProtos.TaskIdProto.newBuilder() |
| .setExecutionBlockId(executionBlockId.getProto()) |
| .setId(id) |
| .build(); |
| } |
| |
| @Override |
| public int compareTo(TaskId taskId) { |
| int result = executionBlockId.compareTo(taskId.executionBlockId); |
| if (result == 0) { |
| return id - taskId.id; |
| } else { |
| return result; |
| } |
| } |
| |
| @Override |
| public boolean equals(Object obj) { |
| if (obj == null) { |
| return false; |
| } |
| if (this == obj) { |
| return true; |
| } |
| if (!(obj instanceof TaskId)) { |
| return false; |
| } |
| return compareTo((TaskId) obj) == 0; |
| } |
| |
| @Override |
| public int hashCode() { |
| return Objects.hashCode(executionBlockId, id); |
| } |
| |
| @Override |
| public String toString() { |
| return QU_ID_PREFIX + QueryId.SEPARATOR + toStringNoPrefix(); |
| } |
| |
| public String toStringNoPrefix() { |
| return executionBlockId.toStringNoPrefix() + QueryId.SEPARATOR + QueryIdFactory.QU_ID_FORMAT.format(id); |
| } |
| } |