/*
* 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.beam.sdk.transforms;
import java.io.Serializable;
/**
* A function that computes an output value of type {@code OutputT} from an input value of type
* {@code InputT} and is {@link Serializable}.
*
* @param <InputT> input value type
* @param <OutputT> output value type
*/
public interface SerializableFunction<InputT, OutputT> extends Serializable {
/** Returns the result of invoking this function on the given input. */
OutputT apply(InputT input);
}