public DataDescriptor parentDescriptor ( ) { if ( type == TYPE_INVALID ) { return null ; } else if ( dataIds != null ) { return new DataDescriptor ( dataPath ) ; } else { if ( dataPath . length == 1 ) return null ; String [ ] myPath = new String [ dataPath . length - 1 ] ; System . arraycopy ( dataPath , 0 , myPath , 0 , myPath . length ) ; return new DataDescriptor ( myPath ) ; } }
Returns the parentDescriptor