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java.lang.Objectorg.puremvc.java.patterns.observer.Observer
public class Observer
A base IObserver
implementation.
An Observer
is an object that encapsulates information about
an interested object with a method that should be called when a particular
INotification
is broadcast.
In PureMVC, the Observer
class assumes these responsibilities:
View
,
Notification
Constructor Summary | |
---|---|
Observer(IFunction notify,
java.lang.Object context)
Constructor. |
Method Summary | |
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boolean |
compareNotifyContext(java.lang.Object object)
Compare an object to the notification context. |
java.lang.Object |
getNotifyContext()
Get the notification context. |
IFunction |
getNotifyMethod()
Get the notification method. |
void |
notifyObserver(INotification notification)
Notify the interested object. |
void |
setNotifyContext(java.lang.Object notifyContext)
Set the notification context. |
void |
setNotifyMethod(IFunction notifyMethod)
Set the notification method. |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
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public Observer(IFunction notify, java.lang.Object context)
The notification method on the interested object should take one
parameter of type INotification
notify
- the notification method of the interested objectcontext
- the notification context of the interested objectMethod Detail |
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public boolean compareNotifyContext(java.lang.Object object)
compareNotifyContext
in interface IObserver
object
- the object to compare
public void notifyObserver(INotification notification)
notifyObserver
in interface IObserver
notification
- the INotification
to pass to the interested
object's notification method.public void setNotifyContext(java.lang.Object notifyContext)
setNotifyContext
in interface IObserver
notifyContext
- the notification context (this) of the interested object.public void setNotifyMethod(IFunction notifyMethod)
The notification method should take one parameter of type
INotification
.
setNotifyMethod
in interface IObserver
notifyMethod
- the notification (callback) method of the interested object.public IFunction getNotifyMethod()
public java.lang.Object getNotifyContext()
this
) of the
interested object.
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