/*
* Copyright 2008 Fedora Commons, Inc.
*
* 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 org.mulgara.store.stringpool.xa11;
import org.mulgara.store.xa.AVLComparator;
import org.mulgara.store.xa.AVLNode;
/**
* Comparator for category information only.
*
* @created Aug 14, 2008
* @author Paula Gearon
* @copyright © 2008 <a href="http://www.fedora-commons.org/">Fedora Commons</a>
*/
public class DataCategoryAVLComparator implements AVLComparator {
private final int typeCategoryId;
DataCategoryAVLComparator(int typeCategoryId) {
this.typeCategoryId = typeCategoryId;
}
public int compare(long[] key, AVLNode avlNode) {
// NOTE: ignore key.
// First, order by type category ID.
int nodeTypeCategoryId = DataStruct.getTypeCategoryId(avlNode);
return typeCategoryId <= nodeTypeCategoryId ? -1 : 1;
}
}