Java Doc for IIdentifier.java in  » IDE-Eclipse » ui-workbench » org » eclipse » ui » activities » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » IDE Eclipse » ui workbench » org.eclipse.ui.activities 
Source Cross Reference  Class Diagram Java Document (Java Doc) 


org.eclipse.ui.activities.IIdentifier

All known Subclasses:   org.eclipse.ui.internal.activities.Identifier,
IIdentifier
public interface IIdentifier extends Comparable(Code)
An instance of this interface can be obtained from an instance of IActivityManagerfor any identifier.

An IIdentifier is an object that offers an easy means to determine if a given string matches the pattern bindings of any IActivity objects. Additionaly, one may query if an identifier is enabled. An identifier is always considered enabled unless it matches only disabled activities.

The handle-based nature of this API allows it to work well with runtime plugin activation and deactivation, which can cause dynamic changes to the extension registry.

This interface is not intended to be extended or implemented by clients.


since:
   3.0
See Also:   IActivityManager.getIdentifier(String)




Method Summary
 voidaddIdentifierListener(IIdentifierListener identifierListener)
     Registers an instance of IIdentifierListener to listen for changes to properties of this instance.
Parameters:
  identifierListener - the instance to register.
 SetgetActivityIds()
     Returns the set of activity ids that this instance matches.
 StringgetId()
     Returns the identifier of this instance. the identifier of this instance.
 booleanisEnabled()
     Returns whether or not this instance is enabled.
 voidremoveIdentifierListener(IIdentifierListener identifierListener)
     Removes an instance of IIdentifierListener listening for changes to properties of this instance.
Parameters:
  identifierListener - the instance to remove.



Method Detail
addIdentifierListener
void addIdentifierListener(IIdentifierListener identifierListener)(Code)
Registers an instance of IIdentifierListener to listen for changes to properties of this instance.
Parameters:
  identifierListener - the instance to register. Must not be null.If an attempt is made to register an instance which isalready registered with this instance, no operation isperformed.



getActivityIds
Set getActivityIds()(Code)
Returns the set of activity ids that this instance matches. Each activity in this set will have at least one pattern binding that matches the string returned by IIdentifier.getId() .

Notification is sent to all registered listeners if this property changes.

the set of activity ids that this instance matches. This set maybe empty, but is guaranteed not to be null. Ifthis set is not empty, it is guaranteed to only containinstances of String.



getId
String getId()(Code)
Returns the identifier of this instance. the identifier of this instance. Guaranteed not to be null.



isEnabled
boolean isEnabled()(Code)
Returns whether or not this instance is enabled. An identifier is always considered enabled unless it matches only disabled activities.

Notification is sent to all registered listeners if this property changes.

true, iff this instance is enabled.



removeIdentifierListener
void removeIdentifierListener(IIdentifierListener identifierListener)(Code)
Removes an instance of IIdentifierListener listening for changes to properties of this instance.
Parameters:
  identifierListener - the instance to remove. Must not be null.If an attempt is made to remove an instance which is notalready registered with this instance, no operation isperformed.



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