Re: extract data from hash map for target structure mapping

Hi Mike,

First lets work on your requirement for the tuples.  For the additional field that will get more complicated and you'll need to setup an imported archive with a Java class to hold all of your data related to materialID because a hashmap is a single key to a single object.  So to read the map and get data for materialID you would have something like the following in a UDF:

HashMap<String, ArrayList<String>> matMap = (HashMap<String, ArrayList<String>>) container.getGlobalContainer().getParameter("matmap");
for(int i = 0; i < var1.length; i++)
{
ArrayList<String> al = matMap.get(var1[i]);
matMap.remove(var1[i]);
for(int j = 0; j < al.size(); j++)
{
result.addValue(al.get(j));
}
}

Line 05 isn't important but you could start removing data if you've already retrieved it.  If you have duplicates in your output you would have to remove line 05 though.  So you would take the materialID values as input to a UDF like this and then add result values and then you simply need to manage your contexts using the node functions or you can add some logic here.

Regards,

Ryan Crosby