software.amazon.kinesis.retrieval.ThrottlingReporter Maven / Gradle / Ivy

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/*
 *  Copyright 2017 Amazon.com, Inc. or its affiliates. All Rights Reserved.
 *
 *  Licensed under the Amazon Software License (the "License").
 *  You may not use this file except in compliance with the License.
 *  A copy of the License is located at
 *
 *  http://aws.amazon.com/asl/
 *
 *  or in the "license" file accompanying this file. This file 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 software.amazon.kinesis.retrieval;

import org.slf4j.Logger;

import lombok.RequiredArgsConstructor;
import lombok.extern.slf4j.Slf4j;

@RequiredArgsConstructor
@Slf4j
public class ThrottlingReporter {

    private final int maxConsecutiveWarnThrottles;
    private final String shardId;

    private int consecutiveThrottles = 0;

    public void throttled() {
        consecutiveThrottles++;
        String message = "Shard '" + shardId + "' has been throttled "
                + consecutiveThrottles + " consecutively";

        if (consecutiveThrottles > maxConsecutiveWarnThrottles) {
            getLog().error(message);
        } else {
            getLog().warn(message);
        }

    }

    public void success() {
        consecutiveThrottles = 0;
    }

    protected Logger getLog() {
        return log;
    }

}