question: public static boolean isUserDefinedNode ( String name ) { return ! ( name . equalsIgnoreCase ( NODE_ENCOUNTER_ENCOUNTER_DATETIME ) || name . equalsIgnoreCase ( NODE_ENCOUNTER_LOCATION_ID ) || name . equalsIgnoreCase ( NODE_ENCOUNTER_PROVIDER_ID ) || name . equalsIgnoreCase ( NODE_PATIENT_MIDDLE_NAME ) || name . equalsIgnoreCase ( NODE_PATIENT_GIVEN_NAME ) || name . equalsIgnoreCase ( NODE_PATIENT_PATIENT_ID ) || name . equalsIgnoreCase ( NODE_PATIENT_FAMILY_NAME ) ) ; }
target:  Checks if a node is a user defined one. That is not one of the standard openmrs nodes.