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Java Source Code / Java Documentation » Development » Java Plugin Framework » org.java.plugin.registry

Source Cross Reference Class Diagram Java Document (Java Doc)

org.java.plugin.registry .ExtensionPoint

All known Subclasses:   org.java.plugin.tools.mocks .MockExtensionPoint,  org.java.plugin.registry.xml .ExtensionPointImpl,
ExtensionPoint
public interface ExtensionPoint extends UniqueIdentity,PluginElement<ExtensionPoint>(Code)
This interface abstracts the extension point - a place where the functionality of plug-in can be extended.
Extension point UID is a combination of declaring plug-in ID and extension point ID that is unique within whole set of registered plug-ins.

version:
   $Id$

Inner Class :interface ParameterDefinition extends PluginElement<ParameterDefinition>

Method Summary
Extension getAvailableExtension(String uniqueId)

Collection<Extension> getAvailableExtensions()
     Returns a collection of all extensions that available for this point.
Extension getConnectedExtension(String uniqueId)

Collection<Extension> getConnectedExtensions()
     Returns a collection of all extensions that was successfully "connected" to this point.
Collection<ExtensionPoint> getDescendants()
     Looks for all available (valid) successors of this extension point.
ExtensionMultiplicity getMultiplicity()

ParameterDefinition getParameterDefinition(String id)

Collection<ParameterDefinition> getParameterDefinitions()
     Returns collection of all top level parameter definitions declared in this extension point and all it parents.
String getParentExtensionPointId()

String getParentPluginId()

boolean isExtensionAvailable(String uniqueId)
     Checks if extension is available for this extension point.
boolean isExtensionConnected(String uniqueId)
     Checks if extension is in valid state and successfully "connected" to this extension point.
boolean isSuccessorOf(ExtensionPoint extensionPoint)

boolean isValid()


Method Detail
getAvailableExtension
Extension getAvailableExtension(String uniqueId)(Code)

Parameters:
  uniqueId - unique ID of extension extension that is available for this point

getAvailableExtensions
Collection<Extension> getAvailableExtensions()(Code)
Returns a collection of all extensions that available for this point. collection of Extension objects

getConnectedExtension
Extension getConnectedExtension(String uniqueId)(Code)

Parameters:
  uniqueId - unique ID of extension extension that was successfully "connected" to this point

getConnectedExtensions
Collection<Extension> getConnectedExtensions()(Code)
Returns a collection of all extensions that was successfully "connected" to this point. collection of Extension objects

getDescendants
Collection<ExtensionPoint> getDescendants()(Code)
Looks for all available (valid) successors of this extension point. The search should be done recursively including all descendants of this extension point. collection of ExtensionPoint objects

getMultiplicity
ExtensionMultiplicity getMultiplicity()(Code)
multiplicity of this extension point

getParameterDefinition
ParameterDefinition getParameterDefinition(String id)(Code)

Parameters:
  id - ID of parameter definition to look for parameter definition with given ID

getParameterDefinitions
Collection<ParameterDefinition> getParameterDefinitions()(Code)
Returns collection of all top level parameter definitions declared in this extension point and all it parents. collection of ExtensionPoint.ParameterDefinition objects

getParentExtensionPointId
String getParentExtensionPointId()(Code)
parent extension point ID or null

getParentPluginId
String getParentPluginId()(Code)
parent extension point plug-in ID or null

isExtensionAvailable
boolean isExtensionAvailable(String uniqueId)(Code)
Checks if extension is available for this extension point. If this method returns true, the method ExtensionPoint.getAvailableExtension(String) should return valid extension for the same UID.
Parameters:
  uniqueId - unique ID of extension true if extension is available for this extensionpoint

isExtensionConnected
boolean isExtensionConnected(String uniqueId)(Code)
Checks if extension is in valid state and successfully "connected" to this extension point. If this method returns true, the method ExtensionPoint.getConnectedExtension(String) should return valid extension for the same UID.
Parameters:
  uniqueId - unique ID of extension true if extension was successfully "connected" tothis extension point

isSuccessorOf
boolean isSuccessorOf(ExtensionPoint extensionPoint)(Code)

Parameters:
  extensionPoint - extension point true if this point is successor of given extensionpoint

isValid
boolean isValid()(Code)
true if extension point is considered to be valid

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