How to use

getValue

method

in

org.eclipse.emf.edit.command.CommandParameter

Object value = commandParameter.getValue();

Object oldValue = commandParameter.getValue();
Object newValue = unwrap(oldValue);

encode(commandParameter.getFeature());
encode(commandParameter.getCollection());
encode(commandParameter.getValue());
encode(commandParameter.getIndex());
buffer.append("</command-parameter>");

/**
 * 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;
 }
}

encode(commandParameter.getFeature());
encode(commandParameter.getCollection());
encode(commandParameter.getValue());
encode(commandParameter.getIndex());
buffer.append("</command-parameter>");

  !(commandParameter.getOwner() instanceof MappedObjectItemProvider) &&
  commandParameter.getFeature() == null && 
  commandParameter.getValue() instanceof Collection)
for (Object object : (Collection<?>)commandParameter.getValue())
 Collection<Object> mappedObjects = new ArrayList<Object>((Collection<?>)commandParameter.getValue());
 mappedObjects.add(commandParameter.getOwner());
 return CreateMappingCommand.create(this, mappedObjects);

  !(commandParameter.getOwner() instanceof MappedObjectItemProvider) &&
  commandParameter.getFeature() == null && 
  commandParameter.getValue() instanceof Collection<?>)
for (Object object : (Collection<?>)commandParameter.getValue())
 Collection<Object> mappedObjects = new ArrayList<Object>((Collection<?>)commandParameter.getValue());
 mappedObjects.add(commandParameter.getOwner());
 return CreateMappingCommand.create(this, mappedObjects);

final Object value = commandParameter.getValue();
int index = commandParameter.getIndex();

@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);
}

@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);
}

   commandParameter.getEStructuralFeature() != null ?
    commandParameter.getEStructuralFeature() :
    getSetFeature(commandParameter.getEOwner(), commandParameter.getValue()),
   commandParameter.getValue(),
   commandParameter.getIndex());
result = createCopyCommand(domain, commandParameter.getEOwner(), (CopyCommand.Helper)commandParameter.getValue());
result = createCreateCopyCommand(domain, commandParameter.getEOwner(), (CopyCommand.Helper)commandParameter.getValue());
result = createInitializeCopyCommand(domain, commandParameter.getEOwner(), (CopyCommand.Helper)commandParameter.getValue());
    commandParameter.getEOwner(), 
    commandParameter.getEStructuralFeature(), 
    commandParameter.getValue(), 
    commandParameter.getIndex());
  (domain, commandParameter.getEOwner(), commandParameter.getEStructuralFeature(), commandParameter.getValue(), commandParameter.getCollection());
CommandParameter newChildParameter = (CommandParameter)commandParameter.getValue();
result = 
 createCreateChildCommand
   commandParameter.getEOwner(), 
   newChildParameter.getEStructuralFeature(), 
   newChildParameter.getValue(),
   newChildParameter.getIndex(),
   commandParameter.getCollection());      

Object obj = commandParameter.getValue();
Object parent = (obj == null) ? null : getParent(obj);
if (parent == null) parent = obj;
return createCommand(CreateChildCommand.class, new CommandParameter(parent, commandParameter.getFeature(), commandParameter.getValue(), commandParameter.getCollection(), commandParameter.getIndex()));
return createCommand(DragAndDropCommand.class, new CommandParameter(resourceSet, commandParameter.getFeature(), commandParameter.getValue(), commandParameter.getCollection(), commandParameter.getIndex()));

Object child = parameter.getValue();
if (childFeature != null && child != null)

result = SetCommand.create(domain, commandOwner, feature, commandParameter.getValue(), commandParameter.getIndex());