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The Jadex BDI applications package contain
several example applications, benchmarks and
testcases using BDI agents.
package jadex.bdi.testcases.misc;
import jadex.base.test.TestReport;
import jadex.bdi.runtime.AgentEvent;
import jadex.bdi.runtime.GoalFailureException;
import jadex.bdi.runtime.IBeliefListener;
import jadex.bdi.runtime.IBeliefSetListener;
import jadex.bdi.runtime.IGoal;
import jadex.bdi.runtime.IGoalListener;
import jadex.bdi.runtime.IInternalEvent;
import jadex.bdi.runtime.IInternalEventListener;
import jadex.bdi.runtime.IMessageEvent;
import jadex.bdi.runtime.IMessageEventListener;
import jadex.bdi.runtime.IPlanListener;
import jadex.bdi.runtime.Plan;
import jadex.bridge.TerminationAdapter;
import jadex.bridge.fipa.SFipa;
import java.util.logging.Logger;
/**
* Test agent callbacks.
*/
public class CallbackPlan extends Plan
{
/**
* The body method is called on the
* instantiated plan instance from the scheduler.
*/
public void body()
{
// Test if all added listeners will also be removed.
TestReport tr15 = new TestReport("#15", "Test if all listeners will also be removed");
// int start = getInterpreter().getEventDispatcher().getListenerCount();
// Belief (set) tests
final Logger logger = getLogger();
final TestReport tr1 = new TestReport("#1", "Test if belief changes can be observed in a listener.");
getBeliefbase().getBelief("bel").addBeliefListener(new IBeliefListener()
{
public void beliefChanged(AgentEvent ae)
{
logger.info("belief changed: "+ae);
getBeliefbase().getBelief("bel").removeBeliefListener(this);
tr1.setSucceeded(true);
}
});
getBeliefbase().getBelief("bel").setFact(new Integer(1));
waitFor(200);
if(!tr1.isSucceeded())
tr1.setReason("Listener was not notified.");
getBeliefbase().getBeliefSet("testcap.reports").addFact(tr1);
final TestReport tr2 = new TestReport("#2", "Test if belief set added can be observed in a listener.");
getBeliefbase().getBeliefSet("belset").addBeliefSetListener(new IBeliefSetListener()
{
public void factAdded(AgentEvent ae)
{
logger.info("fact added: "+ae);
getBeliefbase().getBeliefSet("belset").removeBeliefSetListener(this);
tr2.setSucceeded(true);
}
public void factRemoved(AgentEvent ae)
{
logger.info("fact removed: "+ae);
}
public void factChanged(AgentEvent ae)
{
logger.info("fact changed: "+ae);
}
});
getBeliefbase().getBeliefSet("belset").addFact(new Integer(1));
waitFor(200);
if(!tr2.isSucceeded())
tr2.setReason("Listener was not notified.");
getBeliefbase().getBeliefSet("testcap.reports").addFact(tr2);
// todo: rename to #3
final TestReport tr2b = new TestReport("#2b", "Test if belief set removed can be observed in a listener.");
getBeliefbase().getBeliefSet("belset").addBeliefSetListener(new IBeliefSetListener()
{
public void factAdded(AgentEvent ae)
{
logger.info("fact added: "+ae);
}
public void factRemoved(AgentEvent ae)
{
logger.info("fact removed: "+ae);
getBeliefbase().getBeliefSet("belset").removeBeliefSetListener(this);
tr2b.setSucceeded(true);
}
public void factChanged(AgentEvent ae)
{
logger.info("fact changed: "+ae);
}
});
getBeliefbase().getBeliefSet("belset").removeFact(new Integer(1));
waitFor(200);
if(!tr2b.isSucceeded())
tr2b.setReason("Listener was not notified.");
getBeliefbase().getBeliefSet("testcap.reports").addFact(tr2b);
// Goal tests
final TestReport tr3 = new TestReport("#3", "Test if goal finished can be observed in a listener.");
IGoal goal = createGoal("goal");
IGoalListener gl = new IGoalListener()
{
public void goalAdded(AgentEvent ae)
{
logger.info("Goal added called");
//tr3.setSucceeded(true);
}
public void goalFinished(AgentEvent ae)
{
logger.info("Goal finished called");
tr3.setSucceeded(true);
}
};
goal.addGoalListener(gl);
try
{
dispatchSubgoalAndWait(goal);
}
catch(GoalFailureException e)
{
}
if(!tr3.isSucceeded())
tr3.setReason("Listener was not notified.");
getBeliefbase().getBeliefSet("testcap.reports").addFact(tr3);
goal.removeGoalListener(gl);
final TestReport tr4 = new TestReport("#4", "Test if goal added can be observed in a listener.");
final TestReport tr5 = new TestReport("#5", "Test if goal finished can be observed in a listener.");
// todo: rename tr6
// final TestReport tr5b = new TestReport("#5b", "Test if waitFor can be called in async listener.");
getGoalbase().addGoalListener("goal", new IGoalListener()
{
public void goalAdded(AgentEvent ae)
{
logger.info("Goal added called");
tr4.setSucceeded(true);
}
public void goalFinished(AgentEvent ae)
{
final IGoalListener t = this;
// final boolean[] started = new boolean[1];
// new Thread(new Runnable()
// {
// public void run()
// {
// // Hack!!! Make sure that thread has started before continuing.
// // (Doesn't solve threading issue, but increases chances of success ;-( )
// synchronized(started)
// {
// started[0] = true;
// started.notify();
// }
logger.info("Goal finished called");
getGoalbase().removeGoalListener("goal", t);
tr5.setSucceeded(true);
// try
// {
// getExternalAccess().waitFor(100);
// tr5b.setSucceeded(true);
// }
// catch(Exception e)
// {
// e.printStackTrace();
// }
// }
// }).start();
//
// // Hack!!! Make sure that thread has started before continuing.
// // (Doesn't solve threading issue, but increases chances of success ;-( )
// synchronized(started)
// {
// if(!started[0])
// {
// try
// {
// started.wait();
// }
// catch(InterruptedException e)
// {
// }
// }
// }
}
}); // todo: async was true
// Create a goal by setting "bel" to 2
getBeliefbase().getBelief("bel").setFact(new Integer(2));
waitFor(200);
if(!tr4.isSucceeded())
tr4.setReason("Listener was not notified.");
getBeliefbase().getBeliefSet("testcap.reports").addFact(tr4);
if(!tr5.isSucceeded())
tr5.setReason("Listener was not notified.");
getBeliefbase().getBeliefSet("testcap.reports").addFact(tr5);
// if(!tr5b.isSucceeded())
// tr5b.setReason("Could not call waitFor() in listener");
// getBeliefbase().getBeliefSet("testcap.reports").addFact(tr5b);
// Internal event tests
final TestReport tr6 = new TestReport("#6", "Test if internal event occurred can be observed in a listener.");
getEventbase().addInternalEventListener("internal_event", new IInternalEventListener()
{
public void internalEventOccurred(AgentEvent ae)
{
logger.info("Internal event occurred called");
getEventbase().removeInternalEventListener("internal_event", this);
tr6.setSucceeded(true);
}
});
IInternalEvent ievent = createInternalEvent("internal_event");
dispatchInternalEvent(ievent);
waitFor(200);
if(!tr6.isSucceeded())
tr6.setReason("Listener was not notified.");
getBeliefbase().getBeliefSet("testcap.reports").addFact(tr6);
// Message event tests
final TestReport tr7 = new TestReport("#7", "Test if message event received can be observed in a listener.");
final TestReport tr8 = new TestReport("#8", "Test if message event reply can be observed in a listener.");
final TestReport tr9 = new TestReport("#9", "Test if message event sent can be observed in a listener.");
final IMessageEvent mevent = createMessageEvent("message_event");
mevent.getParameterSet(SFipa.RECEIVERS).addValue(getComponentIdentifier());
mevent.getParameter(SFipa.SENDER).setValue(getComponentIdentifier());
IMessageEventListener mel = new IMessageEventListener()
{
public void messageEventReceived(AgentEvent ae)
{
}
public void messageEventSent(AgentEvent ae)
{
logger.info("Message event sent");
tr8.setSucceeded(true);
}
};
getEventbase().addMessageEventListener("message_event", new IMessageEventListener()
{
public void messageEventReceived(AgentEvent ae)
{
logger.info("Message event received");
getEventbase().removeMessageEventListener("message_event", this);
tr7.setSucceeded(true);
}
public void messageEventSent(AgentEvent ae)
{
logger.info("Message event sent");
tr9.setSucceeded(true);
}
});
mevent.addMessageEventListener(mel);
sendMessage(mevent).get(this);
waitFor(200);
if(!tr7.isSucceeded())
tr7.setReason("Listener was not notified.");
getBeliefbase().getBeliefSet("testcap.reports").addFact(tr7);
if(!tr9.isSucceeded())
tr9.setReason("Listener was not notified.");
getBeliefbase().getBeliefSet("testcap.reports").addFact(tr9);
IMessageEvent rep = getEventbase().createReply(mevent, "message_event");
sendMessage(rep).get(this);
waitFor(200);
if(!tr8.isSucceeded())
tr8.setReason("Listener was not notified.");
getBeliefbase().getBeliefSet("testcap.reports").addFact(tr8);
mevent.removeMessageEventListener(mel);
// Condition tests.
/*final TestReport tr10 = new TestReport("#10", "Test if condition triggered can be observed in a listener.");
ICondition cond = createCondition("$beliefbase.bel==3");
IConditionListener cl = new IConditionListener()
{
public void conditionTriggered(AgentEvent ae)
{
getExternalAccess().getLogger().info("Condition triggered");
tr10.setSucceeded(true);
}
};
cond.addConditionListener(cl, false);
cond.traceOnce();
getBeliefbase().getBelief("bel").setFact(new Integer(3));
waitFor(200);
if(!tr10.isSucceeded())
tr10.setReason("Listener was not notified.");
getBeliefbase().getBeliefSet("testcap.reports").addFact(tr10);
cond.removeConditionListener(cl);
final TestReport tr11 = new TestReport("#11", "Test if adf condition triggered can be observed in a listener.");
getExpressionbase().addConditionListener("condition", new IConditionListener()
{
public void conditionTriggered(AgentEvent ae)
{
getExternalAccess().getLogger().info("Condition triggered");
getExternalAccess().getExpressionbase().removeConditionListener("condition", this);
tr11.setSucceeded(true);
}
}, false);
cond = getCondition("condition");
cond.traceOnce();
getBeliefbase().getBelief("bel").setFact(new Integer(5));
waitFor(200);
if(!tr11.isSucceeded())
tr11.setReason("Listener was not notified.");
getBeliefbase().getBeliefSet("testcap.reports").addFact(tr11);
*/
// Plan tests.
final TestReport tr12 = new TestReport("#12", "Test if plan added can be observed in a listener.");
final TestReport tr13 = new TestReport("#13", "Test if plan removed can be observed in a listener.");
IPlanListener pl = new IPlanListener()
{
public void planAdded(AgentEvent ae)
{
logger.info("Plan added");
tr12.setSucceeded(true);
}
public void planFinished(AgentEvent ae)
{
logger.info("Plan removed");
tr13.setSucceeded(true);
}
};
getPlanbase().addPlanListener("plan", pl);
getBeliefbase().getBelief("bel").setFact(new Integer(4));
waitFor(200);
if(!tr12.isSucceeded())
tr12.setReason("Listener was not notified.");
getBeliefbase().getBeliefSet("testcap.reports").addFact(tr12);
if(!tr13.isSucceeded())
tr13.setReason("Listener was not notified.");
getBeliefbase().getBeliefSet("testcap.reports").addFact(tr13);
getPlanbase().removePlanListener("plan", pl);
// Count listeners.
// int end = getInterpreter().getEventDispatcher().getListenerCount();
// if(start==end)
tr15.setSucceeded(true);
// else
// tr15.setReason("The listener count is different: "+start+" vs. "+end);
getBeliefbase().getBeliefSet("testcap.reports").addFact(tr15);
final TestReport tr14 = new TestReport("#14", "Test if plan removed (on this plan) can be observed in a listener.");
getPlanElement().addPlanListener(new IPlanListener()
{
public void planAdded(AgentEvent ae)
{
}
public void planFinished(AgentEvent ae)
{
logger.info("Plan removed");
tr14.setSucceeded(true);
getBeliefbase().getBeliefSet("testcap.reports").addFact(tr14);
getPlanElement().removePlanListener(this);
}
});
final TestReport tr16 = new TestReport("#16", "Test if agent killed can be observed in a listener.");
getScope().addComponentListener(new TerminationAdapter()
{
public void componentTerminated()
{
logger.info("Agent terminating invoked");
// getExternalAccess().removeAgentListener(this);
logger.info("Agent died invoked");
tr16.setSucceeded(true);
getBeliefbase().getBeliefSet("testcap.reports").addFact(tr16);
}
});
killAgent();
}
/**
* The failed code.
*/
public void failed()
{
System.out.println("Failed: "+this);
}
}