cogitant.base.Observer Interface Reference

Observer. More...

List of all members.

Public Member Functions
void	messageAttached ()
	Method called when the observer begins to observe an object.
void	messageDetached ()
	Method called when the observer finishes to observe an object.
void	message (ObserverMessage msg)
	Method called when the observed object notifies its observers.
boolean	wantsMessage (ObserverMessage.Type mt)
	Types of messages the observer wants.

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Detailed Description

Observer.

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Member Function Documentation

void cogitant.base.Observer.message

(

ObserverMessage

msg

)

Method called when the observed object notifies its observers.

void cogitant.base.Observer.messageAttached

(

)

Method called when the observer begins to observe an object.

void cogitant.base.Observer.messageDetached

(

)

Method called when the observer finishes to observe an object.

boolean cogitant.base.Observer.wantsMessage

(

ObserverMessage.Type

mt

)

Types of messages the observer wants.

Parameters:

mt	type of message.

Returns:

true iff the Observer wants messages of this type.

Warning:

An instance of Observer has to return allways the same value for a given type.