package org.drools.benchmark.benchmarks;
import org.drools.benchmark.BenchmarkDefinition;
import org.drools.benchmark.model.A;
import org.drools.benchmark.model.B;
import org.kie.KnowledgeBase;
import org.kie.runtime.StatefulKnowledgeSession;
import java.util.Random;
public class RangeIndexLeftModifyNoMatch extends AbstractBenchmark {
private final int aNr;
private final int modifications;
private final String drlFile;
private StatefulKnowledgeSession ksession;
private Random random = new Random(0);
private A[] as;
public RangeIndexLeftModifyNoMatch(int aNr, int modifications, String drlFile) {
this.aNr = aNr;
this.modifications = modifications;
this.drlFile = drlFile;
}
@Override
public void init(BenchmarkDefinition definition) {
KnowledgeBase kbase = createKnowledgeBase(createKnowledgeBuilder(drlFile));
ksession = kbase.newStatefulKnowledgeSession();
int aLimit = aNr * modifications;
as = new A[aNr];
for (int i = 0; i < aNr; i++) {
int randomInt = random.nextInt(aLimit);
if (i % 2 == 1) {
randomInt += aLimit * 3;
}
as[i] = new A(randomInt, randomInt+modifications);
}
}
public void execute(int repNr) {
for (int i = 0; i < aNr; i++) {
ksession.insert(as[i]);
}
ksession.insert(new B(aNr * modifications * 2));
ksession.fireAllRules();
}
@Override
public void terminate() {
ksession.dispose(); // Stateful rule session must always be disposed when finished
}
}