| /** |
| * 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; |
| |
| import org.apache.hadoop.hive.serde2.objectinspector.ObjectInspector; |
| import org.apache.hadoop.io.Writable; |
| |
| import edu.uci.ics.hyracks.dataflow.common.data.accessors.IFrameTupleReference; |
| |
| /** |
| * LazyPrimitive stores a primitive Object in a LazyObject. |
| */ |
| public abstract class LazyPrimitive<OI extends ObjectInspector, T extends Writable> |
| extends LazyObject<OI> { |
| |
| LazyPrimitive(OI oi) { |
| super(oi); |
| } |
| |
| LazyPrimitive(LazyPrimitive<OI, T> copy) { |
| super(copy.oi); |
| isNull = copy.isNull; |
| } |
| |
| T data; |
| boolean isNull = false; |
| |
| /** |
| * Returns the primitive object represented by this LazyObject. This is |
| * useful because it can make sure we have "null" for null objects. |
| */ |
| @Override |
| public Object getObject() { |
| return isNull ? null : this; |
| } |
| |
| public T getWritableObject() { |
| return isNull ? null : data; |
| } |
| |
| @Override |
| public String toString() { |
| return isNull ? "null" : data.toString(); |
| } |
| |
| @Override |
| public int hashCode() { |
| return isNull ? 0 : data.hashCode(); |
| } |
| |
| @Override |
| public void init(IFrameTupleReference tuple) { |
| } |
| |
| } |