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jetbrick utility classes

There is a newer version: 2.2.0

/**
 * Copyright 2013-2016 Guoqiang Chen, Shanghai, China. All rights reserved.
 *
 *   Author: Guoqiang Chen
 *    Email: [email protected]
 *   WebURL: https://github.com/subchen
 *
 * 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 jetbrick.collection.bidimap;

import java.util.Comparator;
import java.util.Map;
import java.util.SortedMap;
import java.util.TreeMap;

public class BidiTreeMap extends AbstractBidiSortedMap {

    public BidiTreeMap() {
        super(new TreeMap(), new TreeMap(), null);
    }

    public BidiTreeMap(Comparator keyComparator, Comparator valueComparator) {
        super(new TreeMap(keyComparator), new TreeMap(valueComparator), null);
    }

    public BidiTreeMap(Map map) {
        super(new TreeMap(), new TreeMap(), null);
        putAll(map);
    }

    private BidiTreeMap(SortedMap normalMap, SortedMap reverseMap, BidiMap inverseBidiMap) {
        super(normalMap, reverseMap, inverseBidiMap);
    }

    @Override
    protected BidiMap createBidiMap(Map normalMap, Map reverseMap, BidiMap inverseMap) {
        return new BidiTreeMap((SortedMap) normalMap, (SortedMap) reverseMap, inverseMap);
    }
}