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/*
 * Copyright 2010-2014 Amazon.com, Inc. or its affiliates. All Rights Reserved.
 *
 * Licensed under the Apache License, Version 2.0 (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/apache2.0
 *
 * 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.mobileconnectors.amazonmobileanalytics.internal.session.client;

/**
 * Session Logic for when the Application Session is ACTIVE.
 * 	 ie: The session is running and has not been paused
 * 
 * @author Dirk Hortensius [[email protected]]
 */
public final class ActiveSessionState extends SessionClientState {

	public ActiveSessionState(final DefaultSessionClient client) {
	    super(client);
    }

	/**
	 * If session is running, ignore the resume.
	 */
	@Override
    public void resume() {
		// Log Failure
		DefaultSessionClient.logger.devi("Session Resume Failed: Session is already running.");
    }

	/**
	 * If the Session is running, pause the session.
	 */
	@Override
    public void pause() {
		super.executePause();
    }

	/**
	 * If the Session is already running, start a new one only if a specified
	 * 	 amount of time has elapsed.
	 * 
	 * The old session should be stopped before starting the new one.
	 */
	@Override
    public void start() {
		if (System.currentTimeMillis() - client.session.getStartTime() > client.getRestartDelay()) {
			super.executeStop();
			super.executeStart();
		}
		else {
			DefaultSessionClient.logger.devi("Session Start Failed: Previous session was started too recently");
		}
    }

	/**
	 * If the Session is running, stop it.
	 */
	@Override
    public void stop() {
		super.executeStop();
    }

}