| /* |
| * 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.lucene.analysis.tokenattributes; |
| |
| |
| import org.apache.lucene.util.AttributeImpl; |
| import org.apache.lucene.util.AttributeReflector; |
| import org.apache.lucene.util.BytesRef; |
| |
| /** Default implementation of {@link PayloadAttribute}. */ |
| public class PayloadAttributeImpl extends AttributeImpl implements PayloadAttribute, Cloneable { |
| private BytesRef payload; |
| |
| /** |
| * Initialize this attribute with no payload. |
| */ |
| public PayloadAttributeImpl() {} |
| |
| /** |
| * Initialize this attribute with the given payload. |
| */ |
| public PayloadAttributeImpl(BytesRef payload) { |
| this.payload = payload; |
| } |
| |
| @Override |
| public BytesRef getPayload() { |
| return this.payload; |
| } |
| |
| @Override |
| public void setPayload(BytesRef payload) { |
| this.payload = payload; |
| } |
| |
| @Override |
| public void clear() { |
| payload = null; |
| } |
| |
| @Override |
| public PayloadAttributeImpl clone() { |
| PayloadAttributeImpl clone = (PayloadAttributeImpl) super.clone(); |
| if (payload != null) { |
| clone.payload = BytesRef.deepCopyOf(payload); |
| } |
| return clone; |
| } |
| |
| @Override |
| 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; |
| } |
| |
| @Override |
| public int hashCode() { |
| return (payload == null) ? 0 : payload.hashCode(); |
| } |
| |
| @Override |
| public void copyTo(AttributeImpl target) { |
| PayloadAttribute t = (PayloadAttribute) target; |
| t.setPayload((payload == null) ? null : BytesRef.deepCopyOf(payload)); |
| } |
| |
| @Override |
| public void reflectWith(AttributeReflector reflector) { |
| reflector.reflect(PayloadAttribute.class, "payload", payload); |
| } |
| } |