public void run() {
try {
Thread ct = Thread.currentThread();
Thread.sleep(shift);
while (monitor != null && monitor.equals(ct)) {
long executiontime = System.currentTimeMillis();
OnMemoryTupleSet ts = new OnMemoryTupleSet(schema);
Tuple t = new Tuple(schema.size());
t.setTimestamp(table[0], executiontime);
t.setLong(0, executiontime);
t.setString(1, command);
t.setString(2, getCommandOutput());
ts.appendTuple(t);
ts.beforeFirst();
deliverTupleSet(executiontime, table[0], ts);
Thread.sleep(interval);
}
} catch (Exception e) {
e.printStackTrace();
}
}
public void start() throws StreamSpinnerException {
if (interval <= 0) throw new StreamSpinnerException("interval is not set");
monitor = new Thread(this);
monitor.start();
}