/*
* #!
* Ontopia Classify
* #-
* Copyright (C) 2001 - 2013 The Ontopia Project
* #-
* Licensed 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 net.ontopia.topicmaps.classify;
import net.ontopia.utils.OntopiaRuntimeException;
/**
* PUBLIC: Represents a form of a term as it occurred in classified
* content.
*/
public class Variant extends Token {
protected Term term;
Variant(String value) {
super(value, Token.TYPE_VARIANT);
}
/**
* PUBLIC: Returns the term of which this is a variant.
*/
public Term getTerm() {
return term;
}
/**
* PUBLIC: Returns the number of times this particular variant
* occurred in the classified content.
*/
public int getOccurrences() {
return term.getOccurrences(this);
}
void setTerm(Term term) {
if (this.term != null)
throw new OntopiaRuntimeException("Cannot set parent term on variant more than once." + this + " " + this.term + " " + term);
this.term = term;
}
void replaceTerm(Term term) {
this.term = term;
}
public String toString() {
return '\"' + getValue() + "\"";
}
}