lac.cnclib.net.pubsub

Class Subscription

java.lang.Object

lac.cnclib.net.pubsub.Subscription

All Implemented Interfaces:

java.io.Serializable

public class Subscription
extends java.lang.Object
implements java.io.Serializable

Class that defines a subscription for the Publish-Subscribe system.

Author:

lincoln

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
Subscription(Information informationClass) Default constructor.
Subscription(Information informationClass, SubscriptionFilter filter) Default constructor.

Method Summary

Methods

Modifier and Type	Method and Description
void	clearFilter() Removes any filter from this subscription.
boolean	equals(java.lang.Object otherObj)
boolean	evaluation(InformationData informationData) Returns the evaluation of this subscription due to the information data informed.
Information	getInformation() Returns the information class of this Subscription.
boolean	hasFilter() Informs if the Subscription has a filter.
void	setFilter(SubscriptionFilter filter) Adds a filter to the subscription

Methods inherited from class java.lang.Object

getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

Subscription

public Subscription(Information informationClass)

Default constructor.

Parameters:

informationClass - the information wanted

Subscription

public Subscription(Information informationClass,
            SubscriptionFilter filter)

Default constructor.

Parameters:

informationClass - the information wanted

filter - a subscription filter

Method Detail

getInformation

public Information getInformation()

Returns the information class of this Subscription.

Returns:

the information class

setFilter

public void setFilter(SubscriptionFilter filter)

Adds a filter to the subscription

Parameters:

filter -

clearFilter

public void clearFilter()

Removes any filter from this subscription.

hasFilter

public boolean hasFilter()

Informs if the Subscription has a filter.

Returns:

true if positive.

evaluation

public boolean evaluation(InformationData informationData)

Returns the evaluation of this subscription due to the information data informed.

Parameters:

informationData - the data to be evaluated

Returns:

true if the information data activates this subscription

equals

public boolean equals(java.lang.Object otherObj)

Overrides:

equals in class java.lang.Object