// =================================================================================================
// Copyright 2011 Twitter, Inc.
// -------------------------------------------------------------------------------------------------
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this work except in compliance with the License.
// You may obtain a copy of the License in the LICENSE file, or 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 com.twitter.common.text.token.attribute;
import java.io.IOException;
import java.io.NotSerializableException;
import java.io.ObjectStreamException;
import org.apache.lucene.util.AttributeImpl;
/**
* Implementation of {@code PartOfSpeechAttribute} interface.
* The default value of PartOfSpeech is -1.
* <p>
* Note that this class explicitly suppresses the ability for instance to be serialized, inherited
* via {@link AttributeImpl}.
*/
public class PartOfSpeechAttributeImpl extends AttributeImpl implements PartOfSpeechAttribute {
private static final long serialVersionUID = 0L;
private int pos = PartOfSpeechAttribute.UNKNOWN;
@Override
public void clear() {
pos = PartOfSpeechAttribute.UNKNOWN;
}
@Override
public void copyTo(AttributeImpl obj) {
if (obj instanceof PartOfSpeechAttributeImpl) {
((PartOfSpeechAttributeImpl) obj).setPOS(this.pos);
}
}
@Override
public boolean equals(Object obj) {
return (obj instanceof PartOfSpeechAttributeImpl)
&& ((PartOfSpeechAttributeImpl) obj).getPOS() == this.pos;
}
@Override
public int hashCode() {
return pos;
}
@Override
public void setPOS(int newPos) {
this.pos = newPos;
}
@Override
public int getPOS() {
return pos;
}
// Explicitly suppress ability to serialize.
private void writeObject(java.io.ObjectOutputStream out) throws IOException {
throw new NotSerializableException();
}
private void readObject(java.io.ObjectInputStream in)
throws IOException, ClassNotFoundException {
throw new NotSerializableException();
}
private void readObjectNoData() throws ObjectStreamException {
throw new NotSerializableException();
}
}