Class EventQualifiersMatcher

java.lang.Object

org.microbean.event.EventQualifiersMatcher

All Implemented Interfaces:

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

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

A Matcher encapsulating CDI-compatible event qualifier matching rules.

Author:

Laird Nelson

See Also:

• test(Collection, Collection)

Constructor Summary

Constructors

Constructor	Description
EventQualifiersMatcher()	Creates a new EventQualifiersMatcher.

Method Summary

Modifier and Type	Method	Description
final boolean	test(Collection<? extends NamedAttributeMap<?>> receiverAttributes, Collection<? extends NamedAttributeMap<?>> 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 java.lang.Object

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

Methods inherited from interface java.util.function.BiPredicate

and, negate, or

Constructor Details

EventQualifiersMatcher

public EventQualifiersMatcher()

Creates a new EventQualifiersMatcher.

Method Details

test

public final boolean test(Collection<? extends NamedAttributeMap<?>> receiverAttributes,
 Collection<? extends NamedAttributeMap<?>> 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 NamedAttributeMap<?>>,Collection<? extends NamedAttributeMap<?>>>

Specified by:

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

Parameters:

receiverAttributes - a Collection of NamedAttributeMaps; must not be null

payloadAttributes - a Collection of NamedAttributeMaps; 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