[rules-users] No viable alternative at input since upgrade to 5.4.0.Final

[tekbrain]

Hi,

We have rules in domain specific language that don't work anymore.

In our dsl mapping definition:

Language expression: COUNT\({attr:[A-Z][A-Z_\d]+}\)
{constraint:(>|>\=|<|<\=|\=\=|!\=)}  {num:[\d\.]+}
Rule mapping: ArrayList( size {constraint} {num} ) from collect (Fact( name
== "{attr}", dataset == "0", ignore == "false" ))
Scope: condition (when)

[condition][]COUNT\({attr:[A-Z][A-Z_\d]+}\)
{constraint:(>|>\=|<|<\=|\=\=|!\=)} {num:[\d\.]+}=ArrayList( size
{constraint} {num} ) from collect (Fact( name == "{attr}", dataset == 0,
ignore == false ))


One of the rules:
rule 'BP - HOMULTIPLE'
  agenda-group "user-rules"
  no-loop true
  when
    COUNT(BP_HOCONDITION) >= 2
  then
    set BP_HOMULTIPLE
end

Expanded rule should be something like this:
rule 'BP - HOMULTIPLE'
  agenda-group "user-rules"
  no-loop true
  when
    ArrayList(size >= 2) from collect (Fact( name == "BP_HOCONDITION",
dataset == "0", ignore == "false" ))
  then
    insertLogical(new StateFact("BP_HOMULTIPLE"));
end

Everything was working with Drools 5.1 but with Drools 5.4.0.Final, we have
this kind of errors:
[3788,20]: [ERR 101] Line 3788:20 no viable alternative at input '>=' in
rule "BP - HOMULTIPLE"

Did we forget something?

Thanks,

Jean-Luc






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