| /** |
| * 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.record.meta; |
| |
| import java.io.IOException; |
| import org.apache.hadoop.classification.InterfaceAudience; |
| import org.apache.hadoop.classification.InterfaceStability; |
| import org.apache.hadoop.record.RecordOutput; |
| |
| /** |
| * Represents typeID for a Map |
| * |
| * @deprecated Replaced by <a href="http://hadoop.apache.org/avro/">Avro</a>. |
| */ |
| @Deprecated |
| @InterfaceAudience.Public |
| @InterfaceStability.Stable |
| public class MapTypeID extends TypeID { |
| |
| private TypeID typeIDKey; |
| private TypeID typeIDValue; |
| |
| public MapTypeID(TypeID typeIDKey, TypeID typeIDValue) { |
| super(RIOType.MAP); |
| this.typeIDKey = typeIDKey; |
| this.typeIDValue = typeIDValue; |
| } |
| |
| /** |
| * get the TypeID of the map's key element |
| */ |
| public TypeID getKeyTypeID() { |
| return this.typeIDKey; |
| } |
| |
| /** |
| * get the TypeID of the map's value element |
| */ |
| public TypeID getValueTypeID() { |
| return this.typeIDValue; |
| } |
| |
| @Override |
| void write(RecordOutput rout, String tag) throws IOException { |
| rout.writeByte(typeVal, tag); |
| typeIDKey.write(rout, tag); |
| typeIDValue.write(rout, tag); |
| } |
| |
| /** |
| * Two map typeIDs are equal if their constituent elements have the |
| * same type |
| */ |
| @Override |
| public boolean equals(Object o) { |
| if (!super.equals(o)) |
| return false; |
| |
| MapTypeID mti = (MapTypeID) o; |
| |
| return this.typeIDKey.equals(mti.typeIDKey) && |
| this.typeIDValue.equals(mti.typeIDValue); |
| } |
| |
| /** |
| * We use a basic hashcode implementation, since this class will likely not |
| * be used as a hashmap key |
| */ |
| @Override |
| public int hashCode() { |
| return 37*17+typeIDKey.hashCode() + 37*17+typeIDValue.hashCode(); |
| } |
| |
| } |