void cancel(BarrierImplementation b) throws CommunicationException {
b.changeState(Cancelled);
b.m_barrierGroup.cancelWaiter(b.m_identity);
b.m_barrierGroup.removeBarriers(1);
b.m_barrierGroup.removeListener(b);
}
boolean awoken(BarrierImplementation b) {
// Timed out.
b.changeState(Idle);
return false;
}
void awaken(BarrierImplementation b) {
b.changeState(Idle);
}
void beginWait(final BarrierImplementation b) {
b.changeState(Waiting);
}