com.amazonaws.services.kinesis.scaling.auto.app.KinesisAutoscalingBeanstalkApp.java Source code

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Here is the source code for com.amazonaws.services.kinesis.scaling.auto.app.KinesisAutoscalingBeanstalkApp.java

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/**
 * Amazon Kinesis Scaling Utility
 *
 * Copyright 2014, 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 com.amazonaws.services.kinesis.scaling.auto.app;

import javax.servlet.ServletContextEvent;
import javax.servlet.ServletContextListener;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;

import com.amazonaws.services.kinesis.scaling.auto.AutoscalingController;

public class KinesisAutoscalingBeanstalkApp implements ServletContextListener {
    private Thread streamMonitorController;

    private static final Log LOG = LogFactory.getLog(KinesisAutoscalingBeanstalkApp.class);

    @Override
    public void contextDestroyed(ServletContextEvent arg0) {
        // stop all stream monitors in the Autoscaling Controller by
        // interrupting its thread
        streamMonitorController.interrupt();
        try {
            streamMonitorController.join();
        } catch (InterruptedException e) {
        }
    }

    @Override
    public void contextInitialized(ServletContextEvent contextEvent) {
        try {
            streamMonitorController = new Thread(AutoscalingController.getInstance());
            streamMonitorController.start();

        } catch (Exception e) {
            LOG.error(e.getMessage(), e);
        }
    }
}