org.apache.flink.streaming.api.connector.sink2.CommittableMessage Maven / Gradle / Ivy
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* 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,
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* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.flink.streaming.api.connector.sink2;
import org.apache.flink.annotation.Experimental;
import java.util.OptionalLong;
/** The message send from {@link SinkWriter} to {@link Committer}. */
@Experimental
public interface CommittableMessage {
/** The subtask that created this committable. */
int getSubtaskId();
/**
* Returns the checkpoint id or empty if the message does not belong to a checkpoint. In that
* case, the committable was created at the end of input (e.g., in batch mode).
*/
OptionalLong getCheckpointId();
}