Eclipse GMF Guide (Galileo) - CreateRelationshipCommand (Eclipse GMF Documentation)

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org.eclipse.gmf.runtime.emf.type.core.commands
Class CreateRelationshipCommand

java.lang.Object
  

org.eclipse.core.commands.operations.AbstractOperation
      org.eclipse.emf.workspace.AbstractEMFOperation
          

org.eclipse.gmf.runtime.emf.commands.core.command.AbstractTransactionalCommand
              

org.eclipse.gmf.runtime.emf.type.core.commands.EditElementCommand
                  

org.eclipse.gmf.runtime.emf.type.core.commands.CreateElementCommand
                      
org.eclipse.gmf.runtime.emf.type.core.commands.CreateRelationshipCommand

All Implemented Interfaces:: IUndoableOperation, ICommand, org.eclipse.gmf.runtime.common.core.internal.command.ICommandWithSettableResult

public class CreateRelationshipCommand
extends CreateElementCommand
extends CreateElementCommand

Command to create a new relationship element using the EMF action protocol.

If the containment feature is not specified in the request, the first feature in the container that can contain the new kind of relationship will be used.

Constructor Summary

CreateRelationshipCommand ( CreateRelationshipRequest request)
          Constructs a new element creation command for the request.

Method Summary

boolean canExecute ()
          Checks that the element to be modified by this command is of the correct kind.

protected ConfigureRequest createConfigureRequest ()
          Creates the request to configure the new element.

org.eclipse.emf.ecore.EObject getSource ()
          Gets the relationship source.

org.eclipse.emf.ecore.EObject getTarget ()
          Gets the relationship target.

Methods inherited from class org.eclipse.gmf.runtime.emf.type.core.commands. CreateElementCommand

doDefaultElementCreation, doExecuteWithResult, getContainmentFeature, getCreateRequest, getDefaultElementCreationStatus, getEClassToEdit, getElementToEdit, getElementType, getNewElement, setContainmentFeature, setDefaultElementCreationStatus

Methods inherited from class org.eclipse.gmf.runtime.emf.type.core.commands. EditElementCommand

getAffectedFiles, getEClass, getRequest, isOK, setEClass, setElementToEdit

Methods inherited from class org.eclipse.gmf.runtime.emf.commands.core.command. AbstractTransactionalCommand

aggregateStatuses, cleanup, compose, didRedo, didUndo, doExecute, doRedo, doUndo, getAffectedFiles, getCommandResult, getWorkspaceFiles, getWorkspaceFiles, internalSetResult, reduce, setResult

Methods inherited from class org.eclipse.emf.workspace.AbstractEMFOperation

canRedo, canSetOptions, canUndo, didCommit, dispose, execute, getChange, getEditingDomain, getOptions, isReuseParentTransaction, redo, setOptions, setReuseParentTransaction, undo

Methods inherited from class org.eclipse.core.commands.operations. AbstractOperation

addContext, getContexts, getLabel, hasContext, removeContext, setLabel, toString

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Methods inherited from interface org.eclipse.gmf.runtime.common.core.command. ICommand

setLabel

Methods inherited from interface org.eclipse.core.commands.operations. IUndoableOperation

addContext, canRedo, canUndo, dispose, execute, getContexts, getLabel, hasContext, redo, removeContext, undo

Constructor Detail

CreateRelationshipCommand

public CreateRelationshipCommand(
CreateRelationshipRequest request)

Constructs a new element creation command for the request.

Parameters:: request - the element creation request

Method Detail

getSource

public org.eclipse.emf.ecore.EObject getSource()

Gets the relationship source.

Returns:: the relationship source

getTarget

public org.eclipse.emf.ecore.EObject getTarget()

Gets the relationship target.

Returns:: the relationship target

createConfigureRequest

protected 
ConfigureRequest createConfigureRequest()

Description copied from class: CreateElementCommand

Creates the request to configure the new element.

Overrides:: createConfigureRequest in class CreateElementCommand

Returns:: the request

canExecute

public boolean canExecute()

Description copied from class: EditElementCommand

Checks that the element to be modified by this command is of the correct kind.

Specified by:: canExecute in interface IUndoableOperation
Overrides:: canExecute in class CreateElementCommand