| /* |
| * 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.iotdb.db.queryengine.common; |
| |
| import org.apache.iotdb.tsfile.utils.ReadWriteIOUtils; |
| |
| import java.io.DataOutputStream; |
| import java.io.IOException; |
| import java.nio.ByteBuffer; |
| import java.util.List; |
| import java.util.Objects; |
| |
| import static com.google.common.base.Preconditions.checkArgument; |
| import static java.util.Objects.requireNonNull; |
| |
| public class PlanFragmentId { |
| |
| private final QueryId queryId; |
| private final int id; |
| |
| private int nextFragmentInstanceId; |
| |
| public static PlanFragmentId valueOf(String stageId) { |
| List<String> ids = QueryId.parseDottedId(stageId, 2, "stageId"); |
| return valueOf(ids); |
| } |
| |
| public static PlanFragmentId valueOf(List<String> ids) { |
| checkArgument(ids.size() == 2, "Expected two ids but got: %s", ids); |
| return new PlanFragmentId(new QueryId(ids.get(0)), Integer.parseInt(ids.get(1))); |
| } |
| |
| public PlanFragmentId(String queryId, int id) { |
| this(new QueryId(queryId), id); |
| } |
| |
| public PlanFragmentId(QueryId queryId, int id) { |
| this.queryId = requireNonNull(queryId, "queryId is null"); |
| this.id = id; |
| this.nextFragmentInstanceId = 0; |
| } |
| |
| public FragmentInstanceId genFragmentInstanceId() { |
| return new FragmentInstanceId(this, String.valueOf(nextFragmentInstanceId++)); |
| } |
| |
| public QueryId getQueryId() { |
| return queryId; |
| } |
| |
| public int getId() { |
| return id; |
| } |
| |
| public String toString() { |
| return String.format("%s.%d", queryId, id); |
| } |
| |
| public void serialize(ByteBuffer byteBuffer) { |
| queryId.serialize(byteBuffer); |
| ReadWriteIOUtils.write(id, byteBuffer); |
| } |
| |
| public void serialize(DataOutputStream stream) throws IOException { |
| queryId.serialize(stream); |
| ReadWriteIOUtils.write(id, stream); |
| } |
| |
| public static PlanFragmentId deserialize(ByteBuffer byteBuffer) { |
| return new PlanFragmentId( |
| QueryId.deserialize(byteBuffer), ReadWriteIOUtils.readInt(byteBuffer)); |
| } |
| |
| @Override |
| public boolean equals(Object o) { |
| if (this == o) { |
| return true; |
| } |
| if (o == null || getClass() != o.getClass()) { |
| return false; |
| } |
| PlanFragmentId that = (PlanFragmentId) o; |
| return id == that.id && Objects.equals(queryId, that.queryId); |
| } |
| |
| @Override |
| public int hashCode() { |
| return Objects.hash(queryId, id); |
| } |
| } |