#SECOND LIFE NOTIFIER FOR ANDRIOD OFFLINE#

(name+' processed: '+msg.getMsg()) Ī class that will process on Message object and then invoke notify method to wake up threads waiting for Message object. Second Life Avatar Probe (SLAP) - a simple online-notifier (onliner) shows a Second Life friends list (program gets data directly from the. (name+' waiter thread got notified at time:'+System.currentTimeMillis()) (name+' waiting to get notified at time:'+System.currentTimeMillis()) String name = Thread.currentThread().getName() Notice that Waiter thread is owning monitor on Message object using synchronized block. package Ī class that will wait for other threads to invoke notify methods to complete it’s processing. MessageĪ java bean class on which threads will work and call wait and notify methods. Let’s see an example where multiple threads work on the same object and we use wait, notify and notifyAll methods. These methods can be used to implement producer consumer problem where consumer threads are waiting for the objects in Queue and producer threads put object in queue and notify the waiting threads. NotifyAll method wakes up all the threads waiting on the object, although which one will process first depends on the OS implementation. The choice of the thread to wake depends on the OS implementation of thread management. So if there are multiple threads waiting for an object, this method will wake up only one of them. Notify method wakes up only one thread waiting on the object and that thread starts execution. Second Life Notifier doesnt merely display a list of online friends.

#SECOND LIFE NOTIFIER FOR ANDRIOD OFFLINE#

Other two variances puts the current thread in wait for specific amount of time before they wake up. With Second Life Notifier, you can track whos getting online and offline without having to login Second Life. Object wait methods has three variance, one which waits indefinitely for any other thread to call notify or notifyAll method on the object to wake up the current thread. The current thread which invokes these methods on any object should have the object monitor else it throws exception. So today we will look into wait, notify and notifyAll in java program.

These methods are wait(), notify() and notifyAll(). The Object class in java contains three final methods that allows threads to communicate about the lock status of a resource.

Second life notifier for andriod