com.phloc.commons.collections.pair.PairUtils Maven / Gradle / Ivy
/**
* Copyright (C) 2006-2015 phloc systems
* http://www.phloc.com
* office[at]phloc[dot]com
*
* 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 com.phloc.commons.collections.pair;
import java.util.Collection;
import java.util.List;
import javax.annotation.Nonnull;
import javax.annotation.concurrent.Immutable;
import com.phloc.commons.annotations.ReturnsMutableCopy;
import com.phloc.commons.collections.ContainerHelper;
/**
* Some pair utils
*
* @author Philip Helger
*/
@Immutable
public final class PairUtils
{
private PairUtils ()
{}
@Nonnull
@ReturnsMutableCopy
public static , V2> List > getSortedByPairFirst (@Nonnull final Collection > aList)
{
// get sorted entry list
return ContainerHelper.getSorted (aList, new ComparatorPairFirst ());
}
@Nonnull
@ReturnsMutableCopy
public static > List > getSortedByPairSecond (@Nonnull final Collection > aList)
{
// get sorted entry list
return ContainerHelper.getSorted (aList, new ComparatorPairSecond ());
}
}