How to find the highest value from multiple facts using accumulate?

Solution Verified - Updated -

Issue

Let's say multiple facts of type Persons are being inserted into the Drools Working Memory. How to write a rule which will go through these multiple Persons and find the oldest one?

Environment

  • Red Hat JBoss BRMS

    • 5.x
    • 6.x

  • Red Hat JBoss BPM Suite

    • 6.x

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