org.apache.flink.streaming.connectors.pulsar.internal.PulsarCommitCallback Maven / Gradle / Ivy
/*
* Licensed 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.connectors.pulsar.internal;
/**
* A callback interface that the source operator can implement to trigger custom actions when a commit request completes,
* which should normally be triggered from checkpoint complete event.
*/
public interface PulsarCommitCallback {
/**
* A callback method the user can implement to provide asynchronous handling of commit request completion.
* This method will be called when the commit request sent to the server has been acknowledged without error.
*/
void onSuccess();
/**
* A callback method the user can implement to provide asynchronous handling of commit request failure.
* This method will be called when the commit request failed.
* @param cause pulsar commit failure cause returned by pulsar client
*/
void onException(Throwable cause);
}