/*
* 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.reflect;
import java.io.Serializable;
import org.apache.beam.sdk.transforms.DoFn;
/** Static utilities for working with {@link DoFnInvoker}. */
public class DoFnInvokers {
/**
* Returns an {@link DoFnInvoker} for the given {@link DoFn}, using a default choice of {@link
* DoFnInvokerFactory}.
*
* <p>The default is permitted to change at any time. Users of this method may not depend on any
* details {@link DoFnInvokerFactory}-specific details of the invoker. Today it is {@link
* ByteBuddyDoFnInvokerFactory}.
*/
public static <InputT, OutputT> DoFnInvoker<InputT, OutputT> invokerFor(
DoFn<InputT, OutputT> fn) {
return ByteBuddyDoFnInvokerFactory.only().newByteBuddyInvoker(fn);
}
/** TODO: remove this when Dataflow worker uses the DoFn overload. */
@Deprecated
@SuppressWarnings({"unchecked"})
public static <InputT, OutputT> DoFnInvoker<InputT, OutputT> invokerFor(
Serializable fn) {
return invokerFor((DoFn) fn);
}
private DoFnInvokers() {}
}