Call HEADER value into ITEM level in mapping

Question

HI,
my structure is as below:
H
I
I
I
P
H
I
I
P
P
H
I
I
I
I
I
P
I have created a sequence in DB and retriving the value from DB using lookup for the header level(H) for feild ID.by using the code:
   //write your code here
   //write your code here
String Query = " ";
Channel channel = null;
DataBaseAccessor accessor = null;
DataBaseResult resultSet = null;
try{
                //container.getTrace().addWarning("Obtaining channel");
                channel = LookupService.getChannel( businessSystem, communicationChannel);
                //container.getTrace().addWarning("Channel OK");
                //Get a system accessor for the channel. As the call is being made to an DB, an DatabaseAccessor is obtained.
                accessor = LookupService.getDataBaseAccessor(channel);
                //container.getTrace().addWarning("Accessor OK");
                //Execute Query and get the values in resultset
                resultSet = accessor.execute(" SELECT ID.NEXTVAL FROM DUAL");
                //container.getTrace().addWarning("SELECT OK");
                //String[] cols = resultSet.getMetaData().getColumnNames();
                //for (int i=0; i<cols.length; i++){
                //            container.getTrace().addWarning("Column name: " + cols<i>);
                for(Iterator rows = resultSet.getRows();rows.hasNext();){
                                //container.getTrace().addWarning("Result has rows");
                                Map rowMap = (Map)rows.next();
                                //container.getTrace().addWarning("Trying to get NEXTVAL");
                                //Object obj = rowMap.get("NEXTVAL");
                                //container.getTrace().addWarning("Data received " + obj);
                                //return obj.toString();
                                return rowMap.get("NEXTVAL").toString();
                                //return ((String)rowMap.get("NEXTVAL"));
                //container.getTrace().addWarning("Result has no rows");
                throw new RuntimeException("Cannot obtain next service repair ID");
                //return "-1";
} catch(Exception ex){
                container.getTrace().addWarning("Exception " + ex.getMessage());
                throw new RuntimeException("Cannot obtain next service repair ID", ex);
                //return "-1";
finally {
                try {
                                if (accessor!=null) accessor.close();
                catch(Exception e){
                                container.getTrace().addWarning("Cannot close DataBaseAccessor for service " + businessSystem +
                                                                                " and comm channel " + communicationChannel + " in getNextID user defined funcion");
now my requirement is i have my to call the same value of ID feild into ID of I.to represent perticular I is related to so and so Header(H).
Please suggest me how i can call the value to which is passing to ID(targetfeild) of H and map to ID(targetfeild) of I.
please provide me UDF code....
thanks in advance,
Naveen.

Answer 1

Use standard function UseOneAsMany (found under NodeFunctions) to populate the Header-value for each of the corresponding Item-segments.
Input 1 - your header-fields as resulted from DB-lookup
Input 2 - Item-segment
Input 3 - Item-segment
Make sure to set the context for Input 1 so that there are equal number of contexts in Input 1 as 2 & 3.
-Kenneth