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The Amazon Kinesis Client Library for Java enables Java developers to easily consume and process data from Amazon Kinesis.

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/*
 * Copyright 2020 Amazon.com, Inc. or its affiliates.
 * 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 software.amazon.kinesis.common;


public class CommonCalculations {


    /**
     * Convenience method for calculating renewer intervals in milliseconds.
     *
     * @param leaseDurationMillis Duration of a lease
     * @param epsilonMillis       Allow for some variance when calculating lease expirations
     */
    public static long getRenewerTakerIntervalMillis(long leaseDurationMillis, long epsilonMillis) {
        return leaseDurationMillis / 3 - epsilonMillis;
    }
}