| /** |
| * 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 edu.uci.ics.hivesterix.serde.lazy.objectinspector; |
| |
| import java.util.Map; |
| |
| import org.apache.hadoop.hive.serde2.objectinspector.ObjectInspector; |
| import org.apache.hadoop.hive.serde2.objectinspector.StandardMapObjectInspector; |
| |
| import edu.uci.ics.hivesterix.serde.lazy.LazyMap; |
| |
| /** |
| * ObjectInspector for LazyMap. |
| * |
| * @see LazyMap |
| */ |
| public class LazyMapObjectInspector extends StandardMapObjectInspector { |
| |
| protected LazyMapObjectInspector(ObjectInspector mapKeyObjectInspector, ObjectInspector mapValueObjectInspector) { |
| super(mapKeyObjectInspector, mapValueObjectInspector); |
| } |
| |
| @Override |
| public Map<?, ?> getMap(Object data) { |
| if (data == null) { |
| return null; |
| } |
| return ((LazyMap) data).getMap(); |
| } |
| |
| @Override |
| public int getMapSize(Object data) { |
| if (data == null) { |
| return -1; |
| } |
| return ((LazyMap) data).getMapSize(); |
| } |
| |
| @Override |
| public Object getMapValueElement(Object data, Object key) { |
| if (data == null) { |
| return -1; |
| } |
| return ((LazyMap) data).getMapValueElement(key); |
| } |
| } |