package org.apache.lucene.facet.enhancements.association;
import org.apache.lucene.facet.index.attributes.CategoryProperty;
/*
* 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.
*/
/**
* An {@link AssociationProperty} which treats the association as int - merges
* two associations by summation.
*
* @lucene.experimental
*/
public class AssociationIntProperty extends AssociationProperty {
/**
* @param value
* The association value.
*/
public AssociationIntProperty(int value) {
super(value);
}
@Override
public boolean equals(Object other) {
if (other == this) {
return true;
}
if (!(other instanceof AssociationIntProperty)) {
return false;
}
AssociationIntProperty o = (AssociationIntProperty) other;
return o.association == this.association;
}
@Override
public int hashCode() {
return "AssociationIntProperty".hashCode() * 31 + (int) association;
}
public void merge(CategoryProperty other) {
AssociationIntProperty o = (AssociationIntProperty) other;
this.association += o.association;
}
}