Mercurial > hg > blitz_condensed
diff src/org/dancres/blitz/notify/BlockingDispatchImpl.java @ 0:3dc0c5604566
Initial checkin of blitz 2.0 fcs - no installer yet.
author | Dan Creswell <dan.creswell@gmail.com> |
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date | Sat, 21 Mar 2009 11:00:06 +0000 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/org/dancres/blitz/notify/BlockingDispatchImpl.java Sat Mar 21 11:00:06 2009 +0000 @@ -0,0 +1,69 @@ +package org.dancres.blitz.notify; + +class BlockingDispatchImpl implements DispatchTask { + private EventQueue theQueue; + private QueueEvent theEvent; + + private boolean isDone = false; + private boolean isResolvable = false; + private int myTotalDispatches = 0; + private int myCompletedDispatches = 0; + + BlockingDispatchImpl(EventQueue aQueue, QueueEvent anEvent) { + theQueue = aQueue; + theEvent = anEvent; + } + + public void run() { + theQueue.dispatchImpl(this); + } + + public QueueEvent getEvent() { + return theEvent; + } + + public void block() throws InterruptedException { + synchronized(this) { + while (! isDone) { + try { + wait(); + } catch (InterruptedException anIE) { + } + } + } + } + + public void newDispatch() { + synchronized(this) { + ++myTotalDispatches; + } + } + + public void dispatched() { + synchronized(this) { + ++myCompletedDispatches; + } + + checkAndFire(); + } + + public void enableResolve() { + synchronized(this) { + isResolvable = true; + } + + checkAndFire(); + } + + private void checkAndFire() { + synchronized(this) { + if (!isResolvable) + return; + + if (myTotalDispatches == myCompletedDispatches) { + isDone = true; + notify(); + } + } + } +}