question: public boolean initialize ( DDFModule poModuleIn , String pszTagIn , byte [ ] pachFieldArea ) { int iFDOffset = poModuleIn . _fieldControlLength ; poModule = poModuleIn ; pszTag = pszTagIn ; _data_struct_code = DataStructCode . get ( ( char ) pachFieldArea [ 0 ] ) ; _data_type_code = DataTypeCode . get ( ( char ) pachFieldArea [ 1 ] ) ; if ( Debug . debugging ( "iso8211" ) ) { Debug . output ( "DDFFieldDefinition.initialize(" + pszTagIn + "):\n\t\t data_struct_code = " + _data_struct_code + "\n\t\t data_type_code = " + _data_type_code + "\n\t\t iFDOffset = " + iFDOffset ) ; } byte [ ] tempData = new byte [ pachFieldArea . length - iFDOffset ] ; System . arraycopy ( pachFieldArea , iFDOffset , tempData , 0 , pachFieldArea . length - iFDOffset ) ; MutableInt nCharsConsumed = new MutableInt ( ) ; _fieldName = DDFUtils . fetchVariable ( tempData , tempData . length , DDF_UNIT_TERMINATOR , DDF_FIELD_TERMINATOR , nCharsConsumed ) ; if ( Debug . debugging ( "iso8211" ) ) { Debug . output ( "DDFFieldDefinition.initialize(" + pszTagIn + "): created field name " + _fieldName ) ; } iFDOffset += nCharsConsumed . value ; tempData = new byte [ pachFieldArea . length - iFDOffset ] ; System . arraycopy ( pachFieldArea , iFDOffset , tempData , 0 , pachFieldArea . length - iFDOffset ) ; _arrayDescr = DDFUtils . fetchVariable ( tempData , tempData . length , DDF_UNIT_TERMINATOR , DDF_FIELD_TERMINATOR , nCharsConsumed ) ; iFDOffset += nCharsConsumed . value ; tempData = new byte [ pachFieldArea . length - iFDOffset ] ; System . arraycopy ( pachFieldArea , iFDOffset , tempData , 0 , pachFieldArea . length - iFDOffset ) ; _formatControls = DDFUtils . fetchVariable ( tempData , tempData . length , DDF_UNIT_TERMINATOR , DDF_FIELD_TERMINATOR , nCharsConsumed ) ; if ( _data_struct_code != DataStructCode . ELEMENTARY ) { if ( ! buildSubfieldDefns ( _arrayDescr ) ) { return false ; } if ( ! applyFormats ( _formatControls ) ) { return false ; } } return true ; }
target:  Initialize the field definition from the information in the DDR record. This is called by DDFModule.open().