RuleFlowProcessInstance processInstance = new RuleFlowProcessInstance() {
private static final long serialVersionUID = 510l;
public void signalEvent(String type, Object event) {
if ("timerTriggered".equals(type)) {
TimerInstance timer = (TimerInstance) event;
System.out.println("Timer " + timer.getId() + " triggered");
counter++;
}
}
};
processInstance.setKnowledgeRuntime(((InternalWorkingMemory) workingMemory).getKnowledgeRuntime());
processInstance.setId(1234);
((InternalProcessRuntime) ((InternalWorkingMemory) workingMemory).getProcessRuntime()).getProcessInstanceManager()
.internalAddProcessInstance(processInstance);
new Thread(new Runnable() {
public void run() {
workingMemory.fireUntilHalt();
}
}).start();
TimerManager timerManager = ((InternalProcessRuntime) ((InternalWorkingMemory) workingMemory).getProcessRuntime()).getTimerManager();
TimerInstance timer = new TimerInstance();
timerManager.registerTimer(timer, processInstance);
try {
Thread.sleep(1000);
} catch (InterruptedException e) {
// do nothing
}
assertEquals(1, counter);
counter = 0;
timer = new TimerInstance();
timer.setDelay(500);
timerManager.registerTimer(timer, processInstance);
assertEquals(0, counter);
try {
Thread.sleep(1000);
} catch (InterruptedException e) {
// do nothing
}
assertEquals(1, counter);
counter = 0;
timer = new TimerInstance();
timer.setDelay(500);
timer.setPeriod(300);
timerManager.registerTimer(timer, processInstance);
assertEquals(0, counter);
try {
Thread.sleep(700);
} catch (InterruptedException e) {
// do nothing
}
assertEquals(1, counter);
try {
Thread.sleep(1000);
} catch (InterruptedException e) {
// do nothing
}
// we can't know exactly how many times this will fire as timers are not precise, but should be atleast 4
assertTrue( counter >= 4 );
timerManager.cancelTimer(timer.getId());
int lastCount = counter;
try {
Thread.sleep(1000);
} catch (InterruptedException e) {
// do nothing