public void messageReceived(int to, MessageJ m) {
try {
if (m.getType() == AgillaTSResMsg.AM_TYPE) {
log("Got a results message: " + m);
// results = (AgillaTSResMsgJ)m;
synchronized (response) {
response.add(m);
// if (timer != null) timer.kill();
response.notifyAll();
}
} else if (m.getType() == AgillaTSReqMsg.AM_TYPE) {
AgillaTSReqMsgJ reqMsg = (AgillaTSReqMsgJ) m;
log("Got a request message: " + m);
processRequest(reqMsg);
}
} catch (Exception e) {
e.printStackTrace();
}
}
private MessageJ waitForResponse() {
synchronized (response) {
while (response.size() == 0) {
try {
response.wait();
} catch (Exception e) {
e.printStackTrace();
}
}
}
if (response.size() > 0) {
return (MessageJ) response.remove(0);
} else {
log("BUG: Recursive call to waitForResponse()...");
return waitForResponse();
}
}
/**
* Returns a tuple matching the specified template. If no match is found, block until one is
* found. If more than one match is found, choose and return one randomly. The tuple is kept in
* the tuple space.
*/
public Tuple rd(Tuple template) {
log("RD: Performing an rd() operation.");
Tuple result = rdp(template);
if (result != null) return result;
else {
while (true) {
synchronized (blocked) {
try {
log("RD: Blocking while doing an rd().");
blocked.wait();
} catch (Exception e) {
e.printStackTrace();
}
result = rdp(template);
if (result != null) return result;
}
}
}
}
/**
* Returns a tuple matching the specified template. If no match is found, block until one is
* found. If more than one match is found, choose and return one randomly. The tuple is removed
* from the tuple space.
*/
public Tuple in(Tuple template) {
log("IN: Performing an in() operation.");
Tuple result = inp(template);
if (result != null) {
return result;
} else {
while (true) {
synchronized (blocked) {
try {
log("IN: BLOCKED while doing an in().");
blocked.wait();
log("IN: UNBLOCKED while doing an in().");
} catch (Exception e) {
e.printStackTrace();
}
log("IN: Trying to find a match.");
result = inp(template);
if (result != null) return result;
}
}
}
}
