Module accumulate 

Accumulate Functions for RETE-UL Engine

This module implements Drools/CLIPS-style accumulate functions for aggregating data across multiple facts in rule conditions.

Examples

rule "TotalSales" {
    when
        $total: accumulate(
            Order($amount: amount, status == "completed"),
            sum($amount)
        )
        $total > 10000
    then
        Report.highValue = true;
}

Structs

AccumulateFunctionRegistry

Registry of available accumulate functions

AccumulatePattern

Accumulate pattern in a rule condition

AverageFunction

Average accumulator - calculates mean of numeric values

CountFunction

Count accumulator - counts number of matching facts

MaxFunction

Maximum accumulator - finds maximum numeric value

MinFunction

Minimum accumulator - finds minimum numeric value

SumFunction

Sum accumulator - adds up numeric values

Traits

AccumulateFunction

Accumulate function trait - defines how to aggregate values

AccumulateState

State maintained during accumulation