| /** |
| * 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 ExecutionBlockId implements Comparable<ExecutionBlockId> { |
| public static final String EB_ID_PREFIX = "eb"; |
| private QueryId queryId; |
| private int id; |
| |
| public ExecutionBlockId(QueryId queryId, int id) { |
| this.queryId = queryId; |
| this.id = id; |
| } |
| |
| public ExecutionBlockId(TajoIdProtos.ExecutionBlockIdProto proto) { |
| this(new QueryId(proto.getQueryId()), proto.getId()); |
| } |
| |
| @Override |
| public String toString() { |
| return EB_ID_PREFIX + QueryId.SEPARATOR + toStringNoPrefix(); |
| } |
| |
| @Override |
| public int compareTo(ExecutionBlockId executionBlockId) { |
| int result = queryId.compareTo(executionBlockId.queryId); |
| if (result == 0) { |
| return id - executionBlockId.id; |
| } else { |
| return result; |
| } |
| } |
| |
| @Override |
| public boolean equals(Object obj) { |
| if (obj == null) { |
| return false; |
| } |
| if (this == obj) { |
| return true; |
| } |
| if(!(obj instanceof ExecutionBlockId)) { |
| return false; |
| } |
| return compareTo((ExecutionBlockId)obj) == 0; |
| } |
| |
| @Override |
| public int hashCode() { |
| return Objects.hashCode(queryId, id); |
| } |
| |
| public TajoIdProtos.ExecutionBlockIdProto getProto() { |
| return TajoIdProtos.ExecutionBlockIdProto.newBuilder() |
| .setQueryId(queryId.getProto()) |
| .setId(id) |
| .build(); |
| } |
| |
| public QueryId getQueryId() { |
| return queryId; |
| } |
| |
| public int getId() { |
| return id; |
| } |
| |
| public String toStringNoPrefix() { |
| return queryId.toStringNoPrefix() + QueryId.SEPARATOR + QueryIdFactory.EB_ID_FORMAT.format(id); |
| } |
| } |