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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 com.google.common.base.Objects;
public class Interval
{
public final C min;
public final C max;
public final D data;
public Interval(C min, C max, D data)
{
this.min = min;
this.max = max;
this.data = data;
}
public static Interval create(C min, C max)
{
return create(min, max, null);
}
public static Interval create(C min, C max, D data)
{
return new Interval(min, max, data);
}
@Override
public String toString()
{
return String.format("[%s, %s]%s", min, max, data == null ? "" : (String.format("(%s)", data)));
}
@Override
public final int hashCode()
{
return Objects.hashCode(min, max, data);
}
@Override
public final boolean equals(Object o)
{
if(!(o instanceof Interval))
return false;
Interval that = (Interval)o;
// handles nulls properly
return Objects.equal(min, that.min) && Objects.equal(max, that.max) && Objects.equal(data, that.data);
}
private static final AsymmetricOrdering, Comparable> minOrdering
= new AsymmetricOrdering, Comparable>()
{
public int compareAsymmetric(Interval left, Comparable right)
{
return left.min.compareTo(right);
}
public int compare(Interval i1, Interval i2)
{
return i1.min.compareTo(i2.min);
}
};
private static final AsymmetricOrdering, Comparable> maxOrdering
= new AsymmetricOrdering, Comparable>()
{
public int compareAsymmetric(Interval left, Comparable right)
{
return left.max.compareTo(right);
}
public int compare(Interval i1, Interval i2)
{
return i1.max.compareTo(i2.max);
}
};
private static final AsymmetricOrdering, Comparable> reverseMaxOrdering = maxOrdering.reverse();
public static , V> AsymmetricOrdering, C> minOrdering()
{
return (AsymmetricOrdering) minOrdering;
}
public static , V> AsymmetricOrdering, C> maxOrdering()
{
return (AsymmetricOrdering) maxOrdering;
}
}