com.gs.collections.api.block.function.Function Maven / Gradle / Ivy

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/*
 * Copyright 2011 Goldman Sachs.
 *
 * 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.gs.collections.api.block.function;

import java.io.Serializable;

/**
 * Function is a one-argument lambda which performs a transformation on the object of type {@code T}
 * passed to the valueOf() method.  This transformation can return the value of calling a getter, or perform
 * some more elaborate logic to calculate a value, of type {@code V}.
 */
public interface Function
        extends Serializable
{
    V valueOf(T object);
}