/*
* Copyright 2011 Red Hat, Inc. and/or its affiliates.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.drools.benchmark.benchmarks;
import org.drools.benchmark.*;
import org.drools.benchmark.model.*;
import org.kie.internal.KnowledgeBase;
import org.kie.internal.runtime.StatefulKnowledgeSession;
import org.kie.api.runtime.rule.FactHandle;
import java.util.*;
public class FireAlarmBenchmark extends AbstractBenchmark {
private final int roomsNumber;
private String[] drlFile;
private StatefulKnowledgeSession ksession;
private Room[] rooms;
private Random random = new Random();
public FireAlarmBenchmark(int roomsNumber, String drlFile) {
this.roomsNumber = roomsNumber;
this.drlFile = drlFile.split(",");
}
@Override
public void init(BenchmarkDefinition definition) {
KnowledgeBase kbase = createKnowledgeBase(createKnowledgeBuilder(drlFile));
ksession = kbase.newStatefulKnowledgeSession();
rooms = new Room[roomsNumber];
for (int i = 0; i < roomsNumber; i++) {
Room room = new Room("Room" + i);
ksession.insert(room);
Sprinkler sprinkler = new Sprinkler(room);
ksession.insert(sprinkler);
rooms[i] = room;
}
}
public void execute(int repNr) {
int roomNr = random.nextInt(roomsNumber);
FactHandle fact = ksession.insert(new Fire(rooms[roomNr]));;
ksession.fireAllRules();
ksession.retract(fact);
ksession.fireAllRules();
}
@Override
public void terminate() {
ksession.dispose(); // Stateful rule session must always be disposed when finished
}
}