com.phloc.commons.collections.pair.IPair Maven / Gradle / Ivy
/**
* Copyright (C) 2006-2014 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 javax.annotation.Nonnull;
import javax.annotation.Nullable;
import com.phloc.commons.state.EChange;
/**
* Interface for a writable pair.
*
* @author Philip Helger
* @param
* First type.
* @param
* Second type.
*/
public interface IPair extends IReadonlyPair
{
/**
* Set the first value.
*
* @param aFirst
* The first value. May be null.
* @return {@link EChange}
*/
@Nonnull
EChange setFirst (@Nullable DATA1TYPE aFirst);
/**
* Set the second value.
*
* @param aSecond
* The second value. May be null.
* @return {@link EChange}
*/
@Nonnull
EChange setSecond (@Nullable DATA2TYPE aSecond);
}