| /* |
| * Copyright 2009-2010 by The Regents of the University of California |
| * Licensed 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 from |
| * |
| * 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 edu.uci.ics.hyracks.api.dataflow; |
| |
| import java.io.Serializable; |
| |
| public final class TaskId implements Serializable { |
| private static final long serialVersionUID = 1L; |
| |
| private final ActivityId activityId; |
| |
| private final int partition; |
| |
| public TaskId(ActivityId activityId, int partition) { |
| this.activityId = activityId; |
| this.partition = partition; |
| } |
| |
| public ActivityId getActivityId() { |
| return activityId; |
| } |
| |
| public int getPartition() { |
| return partition; |
| } |
| |
| @Override |
| public boolean equals(Object o) { |
| if (!(o instanceof TaskId)) { |
| return false; |
| } |
| TaskId oTaskId = (TaskId) o; |
| return oTaskId.partition == partition && oTaskId.activityId.equals(activityId); |
| } |
| |
| @Override |
| public int hashCode() { |
| return activityId.hashCode() + partition; |
| } |
| |
| @Override |
| public String toString() { |
| return "TID:" + activityId + ":" + partition; |
| } |
| |
| public static TaskId parse(String str) { |
| if (str.startsWith("TID:")) { |
| str = str.substring(4); |
| int idIdx = str.lastIndexOf(':'); |
| return new TaskId(ActivityId.parse(str.substring(0, idIdx)), Integer.parseInt(str.substring(idIdx + 1))); |
| } |
| throw new IllegalArgumentException("Unable to parse: " + str); |
| } |
| } |