/*
* Copyright (c) 2008-2017, Hazelcast, Inc. All Rights Reserved.
*
* 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.hazelcast.core;
import com.hazelcast.nio.serialization.BinaryInterface;
import java.io.Serializable;
/**
* Represents a function that accepts one argument and produces a result.
*
* This class is called IFunction instead of Function to prevent clashes with the one in Java 8.
*
* Serialized instances of this interface are used in client-member communication, so changing an implementation's binary format
* will render it incompatible with its previous versions.
*
* @param <T> an argument
* @param <R> a result
* @since 3.2
*/
@BinaryInterface
public interface IFunction<T, R> extends Serializable {
R apply(T input);
}