src/main/java/org/apache/sling/query/api/Function.java

/*-
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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 org.apache.sling.query.api;

import aQute.bnd.annotation.ConsumerType;

/**
 * Function can transform one value into another.
 * 
 * @author Tomasz Rękawek
 * 
 * @param <F> Input type
 * @param <T> Output type
 */
@ConsumerType
public interface Function<F, T> {
	/**
	 * Take input F and transform it into output T.
	 * 
	 * @param input Input value
	 * @return Output value
	 */
	T apply(F input);
}