Re: [rules-users] Using field values of an ENUM in the decision table

Modifying the eval expression to include a check for NULL got it working: when $c: Computer() eval( $c.getMemory()!=null && $c.getMemory().getValue().equals("512") ) then System.out.println("XXXXXXXX THIS IS IT XXXXXXXXXXX" ); end Visu Nageswaran wrote: > > Hello, I am posting a simpler version of the actual requirement: > Class Computer has a field 'memory' of the enum type 'Memory' which is > defined over integer values > - - - - - - - - - - > public enum Memory{ > MEM1(512), MEM2(1024), MEM3(2048); > public int value; > Memory(int i){this.value = i;} > public int getValue(){return value;} > } > - - - - - - - - - - > There is a requirement to model a decision table between memory and price > I am looking for the field constraint on the memory field to match to the > values: > > memory.???--> Price > 512 --> 100 > 1024 --> 200 > 2048 --> 300 > > I tried memory.name, memory.name(), memory.value, memory.getValue(); Does > this have to be done using template expressions say something like memory > == Memory.reverseLookupEnum($param) > > Any help, pointers in this regard would be appreciated. thanks. > -Visu >