package org.drools.examples;
import java.util.Random;
import org.drools.KnowledgeBase;
import org.drools.KnowledgeBaseFactory;
import org.drools.builder.KnowledgeBuilder;
import org.drools.builder.KnowledgeBuilderFactory;
import org.drools.builder.ResourceType;
import org.drools.io.ResourceFactory;
import org.drools.logger.KnowledgeRuntimeLogger;
import org.drools.logger.KnowledgeRuntimeLoggerFactory;
import org.drools.runtime.StatefulKnowledgeSession;
public class NumberGuessExample {
public static final void main(String[] args) throws Exception {
final KnowledgeBuilder kbuilder = KnowledgeBuilderFactory.newKnowledgeBuilder();
kbuilder.add( ResourceFactory.newClassPathResource( "NumberGuess.drl",
ShoppingExample.class ),
ResourceType.DRL );
kbuilder.add( ResourceFactory.newClassPathResource( "NumberGuess.rf",
ShoppingExample.class ),
ResourceType.DRF );
final KnowledgeBase kbase = KnowledgeBaseFactory.newKnowledgeBase();
kbase.addKnowledgePackages( kbuilder.getKnowledgePackages() );
final StatefulKnowledgeSession ksession = kbase.newStatefulKnowledgeSession();
KnowledgeRuntimeLogger logger = KnowledgeRuntimeLoggerFactory.newFileLogger(ksession, "log/numberguess");
ksession.insert( new GameRules( 100,
5 ) );
ksession.insert( new RandomNumber() );
ksession.insert( new Game() );
ksession.startProcess( "Number Guess" );
ksession.fireAllRules();
logger.close();
ksession.dispose();
}
public static class RandomNumber {
private int randomNumber;
public RandomNumber() {
this.randomNumber = new Random().nextInt( 100 );
}
public int getValue() {
return this.randomNumber;
}
}
public static class Guess {
private int value;
public Guess(int value) {
this.value = value;
}
public int getValue() {
return this.value;
}
public String toString() {
return "Guess " + this.value;
}
}
public static class GameRules {
private int maxRange;
private int allowedGuesses;
public GameRules(int maxRange,
int allowedGuesses) {
this.maxRange = maxRange;
this.allowedGuesses = allowedGuesses;
}
public int getAllowedGuesses() {
return allowedGuesses;
}
public int getMaxRange() {
return maxRange;
}
}
public static class Game {
private int biggest;
private int smallest;
private int guessCount;
public Game() {
this.guessCount = 0;
this.biggest = 0;
this.smallest = 100;
}
public void incrementGuessCount() {
guessCount++;
}
public int getBiggest() {
return this.biggest;
}
public int getSmallest() {
return this.smallest;
}
public int getGuessCount() {
return this.guessCount;
}
public void setGuessCount(int guessCount) {
this.guessCount = guessCount;
}
public void setBiggest(int biggest) {
this.biggest = biggest;
}
public void setSmallest(int smallest) {
this.smallest = smallest;
}
}
}