Package de.quantummaid.eventmaid.qcec.constraintEnforcing

Interface ConstraintEnforcer

All Known Implementing Classes:

ConstraintEnforcerImpl

public interface ConstraintEnforcer

The ConstraintEnforcer class is used to distribute constraints to all subscribers.

See Also:

EventMaid Documentation

Method Summary

Modifier and Type	Method	Description
void	enforce(Object constraint)	Sends the given constraint to all interested subscribers.
<T> SubscriptionId	respondTo(Class<T> aClass, Consumer<T> responder)	Adds the given Consumer as Subscriber for the given class.
void	unsubscribe(SubscriptionId subscriptionId)	Removes all Subscribers matching the given SubscriptionId.

Method Detail

enforce

void enforce(Object constraint)

Sends the given constraint to all interested subscribers.

Parameters:

constraint - the constraint to be enforced

respondTo

<T> SubscriptionId respondTo(Class<T> aClass,
                             Consumer<T> responder)

Adds the given Consumer as Subscriber for the given class.

Type Parameters:

T - the type of the constraint

Parameters:

aClass - the class of constraint

responder - the Consumer to be called for a matching constraint

Returns:

a SubscriptionId identifying the Consumer

unsubscribe

void unsubscribe(SubscriptionId subscriptionId)

Removes all Subscribers matching the given SubscriptionId.

Parameters:

subscriptionId - the SubscriptionId to remove