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Runtime

org.eclipse.gmf.runtime.diagram.core.services
Class DiagramEventBrokerService

java.lang.Object
  extended by 

org.eclipse.gmf.runtime.common.core.service.AbstractProvider
      extended by 

org.eclipse.gmf.runtime.common.core.service.Service
          extended by 
org.eclipse.gmf.runtime.diagram.core.services.DiagramEventBrokerService
All Implemented Interfaces:
java.util.EventListener, IProvider, IProviderChangeListener, DiagramEventBrokerProvider

public class DiagramEventBrokerService
extends Service
implements DiagramEventBrokerProvider

A service for manipulating Diagram Event broker creations


Nested Class Summary
protected static class DiagramEventBrokerService.ProviderDescriptor
           
 
Field Summary
 
Fields inherited from class org.eclipse.gmf.runtime.common.core.service. Service
INVALID_ELEMENT_MESSAGE_PATTERN
 
Constructor Summary
DiagramEventBrokerService ()
           
 
Method Summary
  DiagramEventBroker createDiagramEventBroker (org.eclipse.emf.transaction.TransactionalEditingDomain editingDomain)
          Creates a DiagramEventBroker instance and associate it with the passed TransactionalEditingDomain
protected  java.util.Map createPriorityCache ()
          Creates a map for caching service providers keyed by the values returned in Service.getCachingKey(IOperation).
protected  java.lang.Object getCachingKey ( IOperation operation)
          Gets the key used to cache service providers that provide for operation in the map created by Service.createPriorityCache().
static  DiagramEventBrokerService getInstance ()
          Retrieves the singleton instance of the diagram Event Broker Factory service
protected   Service.ProviderDescriptor newProviderDescriptor ( IConfigurationElement _element)
          Creates a new provider descriptor for the specified configuration element.
 
Methods inherited from class org.eclipse.gmf.runtime.common.core.service. Service
addProvider, clearCache, configureProviders, configureProviders, execute, executeUnique, getAllProviders, getPriority, getProviders, isOptimistic, isOptimized, providerChanged, provides, provides, removeProvider
 
Methods inherited from class org.eclipse.gmf.runtime.common.core.service. AbstractProvider
addProviderChangeListener, fireProviderChange, removeProviderChangeListener
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 
Methods inherited from interface org.eclipse.gmf.runtime.common.core.service. IProvider
addProviderChangeListener, provides, removeProviderChangeListener
 

Constructor Detail

DiagramEventBrokerService

public DiagramEventBrokerService()
Method Detail

getInstance

public static 
DiagramEventBrokerService getInstance()
Retrieves the singleton instance of the diagram Event Broker Factory service

Returns:
The diagram Event Broker Factory service singleton.

createDiagramEventBroker

public final 
DiagramEventBroker createDiagramEventBroker(org.eclipse.emf.transaction.TransactionalEditingDomain editingDomain)
Description copied from interface: DiagramEventBrokerProvider
Creates a DiagramEventBroker instance and associate it with the passed TransactionalEditingDomain

Specified by:
createDiagramEventBroker in interface DiagramEventBrokerProvider
Parameters:
editingDomain - the editing domain that will be associated with the diagram event broker
Returns:
a new diagram event broker instance

newProviderDescriptor

protected 
Service.ProviderDescriptor newProviderDescriptor(
IConfigurationElement _element)
Description copied from class: Service
Creates a new provider descriptor for the specified configuration element.

Overrides:
newProviderDescriptor in class Service
Parameters:
_element - The configuration element from which to create the descriptor.
Returns:
A new provider descriptor.
See Also:
Service.newProviderDescriptor(org.eclipse.core.runtime.IConfigurationElement)

createPriorityCache

protected java.util.Map createPriorityCache()
Description copied from class: Service
Creates a map for caching service providers keyed by the values returned in Service.getCachingKey(IOperation).

Overrides:
createPriorityCache in class Service
Returns:
the new map
See Also:
Service.createPriorityCache()

getCachingKey

protected java.lang.Object getCachingKey(
IOperation operation)
Description copied from class: Service
Gets the key used to cache service providers that provide for operation in the map created by Service.createPriorityCache().

Overrides:
getCachingKey in class Service
Parameters:
operation - IOperation for which the key will be retrieved
Returns:
the key into the service providers cache
See Also:
org.eclipse.gmf.runtime.common.core.service.Service#getCacheKey(org.eclipse.gmf.runtime.common.core.service.IOperation)

Runtime

Guidelines for using Eclipse APIs.

Copyright (c) IBM Corp., Borland Software Corp., and others 2005,2006. All rights reserved.


 
 
  Published under the terms of the Eclipse Public License Version 1.0 ("EPL") Design by Interspire