org.apache.flink.streaming.runtime.operators.sink.ForwardCommittingHandler Maven / Gradle / Ivy
/*
* 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.flink.streaming.runtime.operators.sink;
import java.io.IOException;
import java.util.List;
/**
* This committer handler simply forwards all committables downstream. It's used in {@link
* SinkOperator} without committers but with downstream operators (in streaming, only global
* committer on sink; in batch, committer or global committer present).
*/
class ForwardCommittingHandler extends AbstractCommitterHandler {
ForwardCommittingHandler() {}
@Override
public List processCommittables(List committables) {
return committables;
}
@Override
protected void retry(List recoveredCommittables)
throws IOException, InterruptedException {
throw new UnsupportedOperationException(
"This handler should never receive recovered commits");
}
}