/**
* Add a condition on the MOS container
*
* @generated NOT
*/
@Override
public boolean canExecute() {
if (source == null && target == null) {
return false;
}
if (source != null && false == source instanceof Element) {
return false;
}
if (target != null && false == target instanceof Element) {
return false;
}
if (getSource() == null) {
return true; // link creation is in progress; source is not defined yet
}
// target may be null here but it's possible to check constraint
if (getContainer() == null) {
return false;
}
if (getSource() != null && getTarget() != null) {
if (!CommandHelper.hasValidContainer(getRequest())) {
return false;
}
}
return UMLBaseItemSemanticEditPolicy.getLinkConstraints()
.canCreateMessage_4003(getContainer(), getSource(), getTarget());
}