new String[]{Object.class.getName(), KnowledgeHelper.class.getName(), KnowledgeHelper.class.getName(), Rule.class.getName(), decl.getValueType().getClassType().getName()}, // input types
4,
false,
false );
AccumulateFunction accFunction = new SumAccumulateFunction();
Accumulator accumulator = new MVELAccumulatorFunctionExecutor( compilationUnit,
accFunction );
((MVELCompileable) accumulator).compile( data );