[rules-users] Drools Multi level map access(Drools 5.5)

[Mario Fusco]

Hi,

due to generic erasure we cannot figure out that the outer map contains a
second map as value. That's why you have to explicitly downcast the value
returned by the first map. For instance this should work:

((Map) field[ "parentKey" ])[ "childKey" ]

I hope this helps,
Mario



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