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A fork of the Apache Cassandra Project ready to embed Elasticsearch.
/*
* 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.
*/
package org.apache.cassandra.utils;
import java.util.Comparator;
import java.util.SortedMap;
import java.util.TreeMap;
import com.google.common.collect.SortedSetMultimap;
import com.google.common.collect.TreeMultimap;
public class SortedBiMultiValMap extends BiMultiValMap
{
protected SortedBiMultiValMap(SortedMap forwardMap, SortedSetMultimap reverseMap)
{
super(forwardMap, reverseMap);
}
public static , V extends Comparable> SortedBiMultiValMap create()
{
return new SortedBiMultiValMap(new TreeMap(), TreeMultimap.create());
}
public static SortedBiMultiValMap create(Comparator keyComparator, Comparator valueComparator)
{
if (keyComparator == null)
keyComparator = defaultComparator();
if (valueComparator == null)
valueComparator = defaultComparator();
return new SortedBiMultiValMap(new TreeMap(keyComparator), TreeMultimap.create(valueComparator, keyComparator));
}
public static , V extends Comparable> SortedBiMultiValMap create(BiMultiValMap map)
{
SortedBiMultiValMap newMap = SortedBiMultiValMap.create();
newMap.forwardMap.putAll(map);
newMap.reverseMap.putAll(map.inverse());
return newMap;
}
public static SortedBiMultiValMap create(BiMultiValMap map, Comparator keyComparator, Comparator valueComparator)
{
SortedBiMultiValMap newMap = create(keyComparator, valueComparator);
newMap.forwardMap.putAll(map);
newMap.reverseMap.putAll(map.inverse());
return newMap;
}
private static Comparator defaultComparator()
{
return new Comparator()
{
@SuppressWarnings("unchecked")
public int compare(T o1, T o2)
{
return ((Comparable) o1).compareTo(o2);
}
};
}
}
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