@Override
public void handleMatch(P1 obj1, P2 obj2, Object auxiliaryData) {
handledMatches.add(Util.tuple(obj1, obj2));
}
public class ParametricMonitorLogger {
protected final BindingStore bindingStore;
protected final NodeManager nodeManager;
private long timestamp;
public ParametricMonitorLogger(BindingStore bindingStore, NodeManager nodeManager) {
super();
this.bindingStore = bindingStore;
this.nodeManager = nodeManager;
memStats = new SummaryStatistics();
logMemoryConsumption();
}
private final Logger logger =
getFileLogger(Util.getSystemProperty("prm4j.outputfile", "logs/prm4j-stats.log"));
private SummaryStatistics memStats;
private String experimentName = Util.getSystemProperty("prm4j.experimentName", "");
public void log(long timestamp) {
this.timestamp = timestamp;
if (timestamp % 100 == 0) {
logMemoryConsumption();
}
}
private void logMemoryConsumption() {
double memoryConsumption =
(((double) (Runtime.getRuntime().totalMemory() / 1024) / 1024)
- ((double) (Runtime.getRuntime().freeMemory() / 1024) / 1024));
// filter NaNs
if (!Double.isNaN(memoryConsumption)) {
memStats.addValue(memoryConsumption);
}
}
public void reset() {
logMemoryConsumption();
logger.log(Level.INFO, String.format("%s EVENTS (totalCount) %d", experimentName, timestamp));
logger.log(
Level.INFO,
String.format("%s MATCHES (totalCount) %d", experimentName, MatchHandler.getMatchCount()));
logger.log(
Level.INFO,
String.format(
"%s MEMORY (mean/max) %f %f", experimentName, memStats.getMean(), memStats.getMax()));
logger.log(
Level.INFO,
String.format(
"%s BINDINGS (created/collected/stored) %d %d %d",
experimentName,
bindingStore.getCreatedBindingsCount(),
bindingStore.getCollectedBindingsCount(),
bindingStore.size()));
logger.log(
Level.INFO,
String.format("%s NODES (created) %d", experimentName, nodeManager.getCreatedCount()));
logger.log(
Level.INFO,
String.format(
"%s MONITORS (createdAlive/updated/orphaned/collected/createdDead) %d %d %d %d %d",
experimentName,
AbstractMonitor.getCreatedMonitorsCount(),
AbstractMonitor.getUpdateddMonitorsCount(),
nodeManager.getOrphanedMonitorsCount(),
nodeManager.getCollectedMonitorsCount(),
DeadMonitor.getCreatedMonitorsCount()));
memStats.clear();
}
/**
* A simple file logger which outputs only the message.
*
* @param fileName path to the output file
* @return the logger
*/
private static Logger getFileLogger(String fileName) {
// make sure parent directories exist
new File(fileName).getParentFile().mkdirs();
final Logger logger = Logger.getLogger(fileName);
try {
logger.setUseParentHandlers(false);
Handler handler = new FileHandler(fileName, true);
handler.setFormatter(
new Formatter() {
@Override
public String format(LogRecord record) {
return record.getMessage() + "\n";
}
});
logger.addHandler(handler);
} catch (Exception e) {
throw new RuntimeException(e);
}
return logger;
}
}