ActivationConditionHandler release() {
if (activationCondition != null) {
eventBus.unregister(this);
nexusActiveCondition.release();
activationCondition.release();
activationCondition = null;
}
return this;
}
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 explainUnsatisfied() {
return condition.explainSatisfied();
}
boolean isConditionSatisfied() {
return activationCondition != null && activationCondition.isSatisfied();
}
public String explainWhyNotSatisfied() {
return isConditionSatisfied() ? null : activationCondition.explainUnsatisfied();
}