com.phloc.commons.collections.triple.IReadonlyTriple 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.triple;
import javax.annotation.Nullable;
/**
* Represents an abstract triple (an object with exactly three element) that is
* readonly.
*
* @author Philip Helger
* @param
* Type of the first element
* @param
* Type of the second element
* @param
* Type of the third element
*/
public interface IReadonlyTriple
{
/**
* @return The first element. May be null.
*/
@Nullable
DATA1TYPE getFirst ();
/**
* @return The second element. May be null.
*/
@Nullable
DATA2TYPE getSecond ();
/**
* @return The third element. May be null.
*/
@Nullable
DATA3TYPE getThird ();
}