DecayTimer.java

/*
 * Copyright (c) 2005 - 2014, WSO2 Inc. (http://www.wso2.org) 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. 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.wso2.carbon.event.input.adapter.core.internal;

/**
 * Gracefully append time for reconnection
 */
public class DecayTimer {

    private final long waitTimeSequenceSeconds[] = new long[]{0, 0, 1, 5, 15, 30, 60, 300, 900, 1800, 3600};
    private volatile int position = 0;


    public void reset() {
        position = 0;
    }

    public synchronized void incrementPosition(){

        if (position != (waitTimeSequenceSeconds.length-1)) {
            position++;
        }
    }

    public long returnTimeToWait() {

        return waitTimeSequenceSeconds[position] * 1000; //milliseconds
    }

}