How to use

getOwner

method

in

org.eclipse.emf.edit.command.CommandParameter

   !(commandParameter.getOwner() instanceof Mapping) &&
   !(commandParameter.getOwner() instanceof MappedObjectItemProvider) &&
   commandParameter.getFeature() == null && 
   commandParameter.getValue() instanceof Collection)
 boolean inputToOutput = mappingRoot.isOutputObject(commandParameter.getOwner());
 boolean okay = true;
 for (Object object : (Collection<?>)commandParameter.getValue())
  mappedObjects.add(commandParameter.getOwner());
  return CreateMappingCommand.create(this, mappedObjects);
else if (commandClass == RemoveCommand.class && commandParameter.getOwner() == null)
if ((mappingRoot.isInputObject(commandParameter.getOwner()) ||
      mappingRoot.isOutputReadOnly() && mappingRoot.isOutputObject(commandParameter.getOwner())) && 
      (commandClass == AddCommand.class ||
       commandClass == MoveCommand.class ||

   !(commandParameter.getOwner() instanceof Mapping) &&
   !(commandParameter.getOwner() instanceof MappedObjectItemProvider) &&
   commandParameter.getFeature() == null && 
   commandParameter.getValue() instanceof Collection<?>)
 boolean inputToOutput = mappingRoot.isOutputObject(commandParameter.getOwner());
 boolean okay = true;
 for (Object object : (Collection<?>)commandParameter.getValue())
  mappedObjects.add(commandParameter.getOwner());
  return CreateMappingCommand.create(this, mappedObjects);
else if (commandClass == RemoveCommand.class && commandParameter.getOwner() == null)
if ((mappingRoot.isInputObject(commandParameter.getOwner()) ||
      mappingRoot.isOutputReadOnly() && mappingRoot.isOutputObject(commandParameter.getOwner())) && 
      (commandClass == AddCommand.class ||
       commandClass == MoveCommand.class ||

@Override
public Command createCommand(Object object, EditingDomain editingDomain, Class<? extends Command> commandClass, CommandParameter commandParameter)
{
 if (editingDomain instanceof MappingDomain)
 {
  MappingDomain mappingDomain = (MappingDomain)editingDomain;
  if (commandClass == NameMatchMappingCommand.class)
  {
   return createNameMatchMappingCommand(mappingDomain, (Mapping)commandParameter.getOwner());
  }
  else if (commandClass == TypeMatchMappingCommand.class)
  {
   return createTypeMatchMappingCommand(mappingDomain, (Mapping)commandParameter.getOwner());
  }
 }
 // This ensures that we are dealing with actual MOF objects.
 //
 commandParameter.collection = (Collection<?>)substituteMappedObject((Mapping)object, commandParameter.getCollection());
 commandParameter.value = substituteMappedObject((Mapping)object, commandParameter.getValue());
 return super.createCommand(object, editingDomain, commandClass, commandParameter);
}

/**
 * Implements creation of a set, copy, or drag-and-drop command by calling out to {@link #createSetCommand
 * createSetCommand}, {@link #createCopyCommand createCopyCommand}, or {@link #createDragAndDropCommand
 * createDragAndDropCommand}.
 */
public Command baseCreateCommand(Object object, EditingDomain domain, Class<? extends Command> commandClass, CommandParameter commandParameter)
{
 if (commandClass == SetCommand.class)
 {
  return 
   createSetCommand
    (domain, commandParameter.getOwner(), commandParameter.getFeature(), commandParameter.getValue(), commandParameter.getIndex());
 }
 else if (commandClass == CopyCommand.class)
 {
  return createCopyCommand(domain, commandParameter.getOwner(), (CopyCommand.Helper)commandParameter.getValue());
 }
 else if (commandClass == DragAndDropCommand.class)
 {
  DragAndDropCommand.Detail detail = (DragAndDropCommand.Detail)commandParameter.getFeature();
  return 
   createDragAndDropCommand
    (domain, commandParameter.getOwner(), detail.location, detail.operations, detail.operation, commandParameter.getCollection());
 }
 else
 {
  return UnexecutableCommand.INSTANCE;
 }
}

@Override
public Command createCommand(Object object, EditingDomain editingDomain, Class<? extends Command> commandClass, CommandParameter commandParameter)
{
 if (editingDomain instanceof MappingDomain)
 {
  MappingDomain mappingDomain = (MappingDomain)editingDomain;
  if (commandClass == NameMatchMappingCommand.class)
  {
   return createNameMatchMappingCommand(mappingDomain, (Mapping)commandParameter.getOwner());
  }
  else if (commandClass == TypeMatchMappingCommand.class)
  {
   return createTypeMatchMappingCommand(mappingDomain, (Mapping)commandParameter.getOwner());
  }
 }
 // This ensures that we are dealing with actual MOF objects.
 //
 commandParameter.collection = (Collection<?>)substituteMappedObject((Mapping)object, commandParameter.getCollection());
 commandParameter.value = substituteMappedObject((Mapping)object, commandParameter.getValue());
 return super.createCommand(object, editingDomain, commandClass, commandParameter);
}

encode(commandParameter.getOwner());
encode(commandParameter.getFeature());
encode(commandParameter.getCollection());

encode(commandParameter.getOwner());
encode(commandParameter.getFeature());
encode(commandParameter.getCollection());

Object owner = commandParameter.getOwner();
if (commandClass == CopyToClipboardCommand.class)
  (this, commandParameter.getOwner(), commandParameter.getFeature(), commandParameter.getIndex(), getOptimizeCopy());
  (this, RemoveCommand.create(this, commandParameter.getOwner(), commandParameter.getFeature(), commandParameter.getCollection()));

return createDragAndDropCommand(domain, commandParameter.getOwner(), detail.location, detail.operations, detail.operation, commandParameter.getCollection());

if (domain != null && !collection.isEmpty() && commandParameter.getOwner() != domain.getResourceSet())
  (domain, commandParameter.getOwner(), detail.location, detail.operations, detail.operation, commandParameter.getCollection());