org.drools.cep.stock.drl Maven / Gradle / Ivy

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package org.drools.cep

import org.kie.hacep.sample.kjar.StockTickEvent
import org.kie.hacep.sample.kjar.Result
import org.kie.remote.DroolsExecutor
import java.util.UUID

rule StockAverage when
  $r : Result($name : stockName)
  accumulate ( StockTickEvent( company == $name, $p : price ), $avg : average( $p ) )
then
  System.out.println("Average price for " + $name + " is " + $avg);
  $r.setValue($avg);
end

rule StockLog when
  $stock:StockTickEvent()
then
    $stock.setProcessed(true);
    DroolsExecutor.getInstance().execute( () -> {
        String id = UUID.randomUUID().toString();
        System.out.println("Price for " + $stock.getCompany() + " is " + $stock.getPrice() + " id:" + id);
        return id;
    });
end