/**
* Global Sensor Networks (GSN) Source Code
* Copyright (c) 2006-2016, Ecole Polytechnique Federale de Lausanne (EPFL)
*
* This file is part of GSN.
*
* GSN is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* GSN is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with GSN. If not, see <http://www.gnu.org/licenses/>.
*
* File: src/ch/epfl/gsn/vsensor/StatsBridgeVirtualSensor.java
*
* @author Sofiane Sarni
*
*/
package ch.epfl.gsn.vsensor;
import org.slf4j.LoggerFactory;
import ch.epfl.gsn.beans.StreamElement;
import ch.epfl.gsn.vsensor.AbstractVirtualSensor;
import ch.epfl.gsn.vsensor.BridgeVirtualSensor;
import org.slf4j.Logger;
import java.util.TreeMap;
public class StatsBridgeVirtualSensor extends AbstractVirtualSensor {
private static final String PARAM_LOGGING_INTERVAL = "logging-interval";
private boolean logging_timestamps = false;
private long logging_interval;
private long logging_counter = 0;
private String vsname;
private static final transient Logger logger = LoggerFactory.getLogger(BridgeVirtualSensor.class);
public boolean initialize() {
TreeMap<String, String> params = getVirtualSensorConfiguration().getMainClassInitialParams();
String logging_interval_str = params.get(PARAM_LOGGING_INTERVAL);
if (logging_interval_str != null) {
logging_timestamps = true;
try {
logging_interval = Integer.parseInt(logging_interval_str.trim());
} catch (NumberFormatException e) {
logger.warn("Parameter \"" + PARAM_LOGGING_INTERVAL + "\" incorrect in Virtual Sensor file");
logging_timestamps = false;
}
}
vsname = getVirtualSensorConfiguration().getName();
return true;
}
public void dataAvailable(String inputStreamName, StreamElement data) {
if (logging_counter % logging_interval == 0) {
logger.warn( vsname + " , " + logging_counter + " , " + System.currentTimeMillis());
}
logging_counter++;
dataProduced(data);
logger.debug("Data received under the name: " + inputStreamName);
}
public void dispose() {
}
}