/**
* Atomically increment a counter in the ControllerBB sharedMap.
*
* @param keyBase A string from ControllerBB that prefixes a vm id to use as a key in the
* ControllerBB shared map. The VM id used is the current vm's id.
*/
public static void incMapCounter(String keyBase) {
String key = keyBase + RemoteTestModule.getMyVmid();
Log.getLogWriter().info("Incrementing sharedMap counter " + key);
SharedLock slock = ControllerBB.getBB().getSharedLock();
slock.lock();
try {
int newValue = 0;
Object value = ControllerBB.getBB().getSharedMap().get(key);
if (value == null) {
newValue = 1;
} else {
newValue = ((Integer) value).intValue() + 1;
}
ControllerBB.getBB().getSharedMap().put(key, new Integer(newValue));
Log.getLogWriter().info("Incremented sharedMap counter, count is now " + newValue);
} finally {
slock.unlock();
}
}
