org.apache.avro.mapred.AvroWrapper Maven / Gradle / Ivy
/**
* 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 {
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();
}
}