Setting the series color of a bi beans graph based on the data values

How do I conditionally set the series color of a bi beans graph based on the data values?
I am using the following code to get the data values and set the series color:
Graph gr=(Graph)CmdrDashboardP1_pres1.getView();
DataAccess da=gr.getGraphModel().getDataAccess();
DataDirector dd=gr.getDataDirector();
DataMap dm=dd.getDataMap();
int re=dd.ROW_EDGE;
int ce=dd.COLUMN_EDGE;
Object val=da.getValue(re,ce,dm.DATA_TYPE);
int seriesCount=da.getEdgeCurrentSlice(DataDirector.ROW_EDGE);
if (val <=45.0)
gr.getSeries().setColor(new Color(255,0,0),seriesCount);
I get a NullPointerException from the line of code "Object val=da.getValue(re,ce,dm.DATA_TYPE)." I have tried the code with DATA_UNFORMATTED as well, but get the same exception. When I print the DataMap value of dm the results are [dataUnformatted, dataViewFormat, value, dataIsTotal, dataType].
Also, I get the error "method <= (java.lang.Object,double) not found in class _CmdrDashboardP1" from the "if (val <=45.0)" code.
Thanks for any assistance

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Message was edited by:
 Raja Thangamani

Setting the series color of a bi beans graph based on the data values

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