question: @ Override public boolean eIsSet ( int featureID ) { switch ( featureID ) { case EipPackage . SERVICE_INVOCATION__CONTEXT : return CONTEXT_EDEFAULT == null ? context != null : ! CONTEXT_EDEFAULT . equals ( context ) ; case EipPackage . SERVICE_INVOCATION__OPERATION_NAME : return OPERATION_NAME_EDEFAULT == null ? operationName != null : ! OPERATION_NAME_EDEFAULT . equals ( operationName ) ; case EipPackage . SERVICE_INVOCATION__SERVICE_REF : return serviceRef != null ; } return super . eIsSet ( featureID ) ; }
target:  <!-- begin-user-doc --> <!-- end-user-doc -->