private int getNumRnaNodes(Collection<KamNode> nodes) {
        int count = 0;
        for (KamNode node : nodes) {
            if (node.getFunctionType() == FunctionEnum.RNA_ABUNDANCE) {
                count++;
            }
        }
        return count;
    }
private int getNumRnaNodes ( Collection < KamNode > nodes ) { int count = 0 ; for ( KamNode node : nodes ) { if ( node . getFunctionType ( ) == FunctionEnum . RNA_ABUNDANCE ) { count ++ ; } } return count ; }
returns the number of rnaAbundance nodes.
@param nodes
@return