/*
* 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.connectors.elasticsearch.util;
import org.apache.flink.streaming.connectors.elasticsearch.ActionRequestFailureHandler;
import org.apache.flink.streaming.connectors.elasticsearch.RequestIndexer;
import org.apache.flink.util.ExceptionUtils;
import org.elasticsearch.action.ActionRequest;
import org.elasticsearch.common.util.concurrent.EsRejectedExecutionException;
/**
* An {@link ActionRequestFailureHandler} that re-adds requests that failed due to temporary
* {@link EsRejectedExecutionException}s (which means that Elasticsearch node queues are currently full),
* and fails for all other failures.
*/
public class RetryRejectedExecutionFailureHandler implements ActionRequestFailureHandler {
private static final long serialVersionUID = -7423562912824511906L;
@Override
public void onFailure(ActionRequest action, Throwable failure, int restStatusCode, RequestIndexer indexer) throws Throwable {
if (ExceptionUtils.containsThrowable(failure, EsRejectedExecutionException.class)) {
indexer.add(action);
} else {
// rethrow all other failures
throw failure;
}
}
}