package org.apache.lucene.analysis.tokenattributes;
/**
* 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.
*/
import java.io.Serializable;
import org.apache.lucene.index.Payload;
import org.apache.lucene.util.AttributeImpl;
/**
* The payload of a Token. See also {@link Payload}.
*/
public class PayloadAttributeImpl extends AttributeImpl implements PayloadAttribute, Cloneable, Serializable {
private Payload payload;
/**
* Initialize this attribute with no payload.
*/
public PayloadAttributeImpl() {}
/**
* Initialize this attribute with the given payload.
*/
public PayloadAttributeImpl(Payload payload) {
this.payload = payload;
}
/**
* Returns this Token's payload.
*/
public Payload getPayload() {
return this.payload;
}
/**
* Sets this Token's payload.
*/
public void setPayload(Payload payload) {
this.payload = payload;
}
public void clear() {
payload = null;
}
public Object clone() {
PayloadAttributeImpl clone = (PayloadAttributeImpl) super.clone();
if (payload != null) {
clone.payload = (Payload) payload.clone();
}
return clone;
}
public boolean equals(Object other) {
if (other == this) {
return true;
}
if (other instanceof PayloadAttribute) {
PayloadAttributeImpl o = (PayloadAttributeImpl) other;
if (o.payload == null || payload == null) {
return o.payload == null && payload == null;
}
return o.payload.equals(payload);
}
return false;
}
public int hashCode() {
return (payload == null) ? 0 : payload.hashCode();
}
public void copyTo(AttributeImpl target) {
PayloadAttribute t = (PayloadAttribute) target;
t.setPayload((payload == null) ? null : (Payload) payload.clone());
}
}