Class EventQualifiersMatcher

java.lang.Object

org.microbean.event.EventQualifiersMatcher

All Implemented Interfaces:

BiPredicate<Collection<? extends Attributes>, Collection<? extends Attributes>>, Matcher<Collection<? extends Attributes>, Collection<? extends Attributes>>

public final class EventQualifiersMatcher
extends Object
implements Matcher<Collection<? extends Attributes>, Collection<? extends Attributes>>

A Matcher encapsulating CDI-compatible event qualifier matching rules.

Author:

Laird Nelson

See Also:

• test(Collection, Collection)

Constructor Summary

Constructors

Constructor	Description
EventQualifiersMatcher(Qualifiers qualifiers)	Creates a new EventQualifiersMatcher.

Method Summary

Modifier and Type	Method	Description
final boolean	test(Collection<? extends Attributes> receiverAttributes, Collection<? extends Attributes> payloadAttributes)	Returns true if and only if either the qualifiers present in receiverAttributes are empty, or if the collection of qualifiers present in payloadAttributes contains all of the qualifiers present in receiverAttributes.

Methods inherited from class Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface BiPredicate

and, negate, or

Constructor Details

EventQualifiersMatcher

public EventQualifiersMatcher(Qualifiers qualifiers)

Creates a new EventQualifiersMatcher.

Parameters:

qualifiers - a Qualifiers; must not be null

Throws:

NullPointerException - if qualifiers is null

Method Details

test

public final boolean test(Collection<? extends Attributes> receiverAttributes,
 Collection<? extends Attributes> payloadAttributes)

Returns true if and only if either the qualifiers present in receiverAttributes are empty, or if the collection of qualifiers present in payloadAttributes contains all of the qualifiers present in receiverAttributes.

Specified by:

test in interface BiPredicate<Collection<? extends Attributes>, Collection<? extends Attributes>>

Specified by:

test in interface Matcher<Collection<? extends Attributes>, Collection<? extends Attributes>>

Parameters:

receiverAttributes - a Collection of Attributes instances; must not be null

payloadAttributes - a Collection of Attributes instances; must not be null

Returns:

true if and only if either the qualifiers present in receiverAttributes are empty, or if the collection of qualifiers present in payloadAttributes contains all of the qualifiers present in receiverAttributes

Throws:

NullPointerException - if either argument is null