| /** |
| * 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.avro.mapred; |
| |
| /** The wrapper of data for jobs configured with {@link AvroJob} . */ |
| public class AvroWrapper<T> { |
| private T datum; |
| |
| /** Wrap null. Construct {@link AvroWrapper} wrapping no datum. */ |
| public AvroWrapper() { this(null); } |
| |
| /** Wrap a datum. */ |
| public AvroWrapper(T datum) { this.datum = datum; } |
| |
| /** Return the wrapped datum. */ |
| public T datum() { return datum; } |
| |
| /** Set the wrapped datum. */ |
| public void datum(T datum) { this.datum = datum; } |
| |
| public int hashCode() { |
| return (datum == null) ? 0 : datum.hashCode(); |
| } |
| |
| public boolean equals(Object obj) { |
| if (this == obj) |
| return true; |
| if (obj == null) |
| return false; |
| if (getClass() != obj.getClass()) |
| return false; |
| AvroWrapper that = (AvroWrapper)obj; |
| if (this.datum == null) { |
| if (that.datum != null) |
| return false; |
| } else if (!datum.equals(that.datum)) |
| return false; |
| return true; |
| } |
| |
| /** Get the wrapped datum as JSON. */ |
| @Override |
| public String toString() { |
| return datum.toString(); |
| } |
| } |