@AllowConcurrentEvents
@Subscribe
public void handle(final ConditionEvent.Satisfied event) {
if (event.getCondition() == activationCondition) {
reference.activate();
}
}
@AllowConcurrentEvents
@Subscribe
public void handle(final ConditionEvent.Unsatisfied event) {
if (event.getCondition() == activationCondition
|| event.getCondition() == nexusActiveCondition) {
reference.passivate();
}
}
ActivationConditionHandler bind() {
if (activationCondition == null) {
nexusActiveCondition = conditions.nexus().active();
try {
activationCondition = reference.capability().activationCondition();
if (activationCondition instanceof CapabilityContextAware) {
((CapabilityContextAware) activationCondition).setContext(reference.context());
}
} catch (Exception e) {
activationCondition = new UnsatisfiedCondition("Failed to determine activation condition");
getLogger()
.error(
"Could not get activation condition from capability {} ({}). Considering it as non activatable",
new Object[] {reference.capability(), reference.context().id(), e});
}
if (activationCondition == null) {
activationCondition = new SatisfiedCondition("Capability has no activation condition");
}
nexusActiveCondition.bind();
activationCondition.bind();
eventBus.register(this);
}
return this;
}
@Override
public String toString() {
return String.format(
"Watching '%s' condition to activate/passivate capability '%s (id=%s)'",
activationCondition, reference.capability(), reference.context().id());
}
