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Merge pull request #2209 from eugenp/half-wit4u-master

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BAEL-804
This commit is contained in:
slavisa-baeldung 2017-07-05 14:57:04 +02:00 committed by GitHub
commit 79d9649c41
7 changed files with 46 additions and 46 deletions
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7
spring-drools/src/main/java/com/baeldung/spring/drools/app/ApplicationRunner.java
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@ -12,13 +12,12 @@ public class ApplicationRunner {
public static void main(String[] args) { public static void main(String[] args) {
ApplicationContext context = new AnnotationConfigApplicationContext(TaxiFareConfiguration.class); ApplicationContext context = new AnnotationConfigApplicationContext(TaxiFareConfiguration.class);
TaxiFareCalculatorService orderService = context.getBean(TaxiFareCalculatorService.class); TaxiFareCalculatorService taxiFareCalculatorService = (TaxiFareCalculatorService) context.getBean(TaxiFareCalculatorService.class);
TaxiRide taxiRide = new TaxiRide(); TaxiRide taxiRide = new TaxiRide();
taxiRide.setbNightSurcharge(true); taxiRide.setIsNightSurcharge(true);
taxiRide.setDistanceInMile(190L); taxiRide.setDistanceInMile(190L);
Fare rideFare = new Fare(); Fare rideFare = new Fare();
orderService.calculateFare(taxiRide, rideFare); taxiFareCalculatorService.calculateFare(taxiRide, rideFare);
} }
} }

1
spring-drools/src/main/java/com/baeldung/spring/drools/model/Fare.java
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@ -29,4 +29,5 @@ public class Fare {
public Long getTotalFare() { public Long getTotalFare() {
return nightSurcharge + rideFare; return nightSurcharge + rideFare;
} }
} }

12
spring-drools/src/main/java/com/baeldung/spring/drools/model/TaxiRide.java
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@ -1,16 +1,16 @@
package com.baeldung.spring.drools.model; package com.baeldung.spring.drools.model;
public class TaxiRide { public class TaxiRide {
private Boolean bNightSurcharge; private Boolean isNightSurcharge;
private Long distanceInMile; private Long distanceInMile;
public Boolean getbNightSurcharge() { public Boolean getIsNightSurcharge() {
return bNightSurcharge; return isNightSurcharge;
} }
public void setbNightSurcharge(Boolean bNightSurcharge) { public void setIsNightSurcharge(Boolean isNightSurcharge) {
this.bNightSurcharge = bNightSurcharge; this.isNightSurcharge = isNightSurcharge;
} }
public Long getDistanceInMile() { public Long getDistanceInMile() {

6
spring-drools/src/main/java/com/baeldung/spring/drools/service/TaxiFareCalculatorService.java
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@ -3,17 +3,19 @@ package com.baeldung.spring.drools.service;
import org.kie.api.runtime.KieContainer; import org.kie.api.runtime.KieContainer;
import org.kie.api.runtime.KieSession; import org.kie.api.runtime.KieSession;
import org.springframework.beans.factory.annotation.Autowired; import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import com.baeldung.spring.drools.model.Fare; import com.baeldung.spring.drools.model.Fare;
import com.baeldung.spring.drools.model.TaxiRide; import com.baeldung.spring.drools.model.TaxiRide;
@Service
public class TaxiFareCalculatorService { public class TaxiFareCalculatorService {
@Autowired @Autowired
private KieContainer kieContainer; private KieContainer kContainer;
public Long calculateFare(TaxiRide taxiRide, Fare rideFare) { public Long calculateFare(TaxiRide taxiRide, Fare rideFare) {
KieSession kieSession = kieContainer.newKieSession(); KieSession kieSession = kContainer.newKieSession();
kieSession.setGlobal("rideFare", rideFare); kieSession.setGlobal("rideFare", rideFare);
kieSession.insert(taxiRide); kieSession.insert(taxiRide);
kieSession.fireAllRules(); kieSession.fireAllRules();

11
spring-drools/src/main/java/com/baeldung/spring/drools/service/TaxiFareConfiguration.java
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@ -5,15 +5,16 @@ import org.kie.api.builder.KieBuilder;
import org.kie.api.builder.KieFileSystem; import org.kie.api.builder.KieFileSystem;
import org.kie.api.builder.KieModule; import org.kie.api.builder.KieModule;
import org.kie.api.runtime.KieContainer; import org.kie.api.runtime.KieContainer;
import org.kie.api.runtime.KieSession;
import org.kie.internal.io.ResourceFactory; import org.kie.internal.io.ResourceFactory;
import org.springframework.context.annotation.Bean; import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.ComponentScan;
import org.springframework.context.annotation.Configuration; import org.springframework.context.annotation.Configuration;
@Configuration @Configuration
@ComponentScan("com.baeldung.spring.drools.service")
public class TaxiFareConfiguration { public class TaxiFareConfiguration {
private static final String drlFile = "TAXI_FARE_RULE.drl"; public static final String drlFile = "TAXI_FARE_RULE.drl";
@Bean @Bean
public KieContainer kieContainer() { public KieContainer kieContainer() {
@ -26,10 +27,6 @@ public class TaxiFareConfiguration {
KieModule kieModule = kieBuilder.getKieModule(); KieModule kieModule = kieBuilder.getKieModule();
return kieServices.newKieContainer(kieModule.getReleaseId()); return kieServices.newKieContainer(kieModule.getReleaseId());
}
@Bean
public TaxiFareCalculatorService taxiFareCalculatorService() {
return new TaxiFareCalculatorService();
} }
} }

12
spring-drools/src/main/resources/TAXI_FARE_RULE.drl
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@ -7,7 +7,7 @@ dialect "mvel"
rule "Calculate Taxi Fare - Scenario 1" rule "Calculate Taxi Fare - Scenario 1"
when when
taxiRideInstance:TaxiRide(bNightSurcharge == false && distanceInMile < 10); taxiRideInstance:TaxiRide(isNightSurcharge == false && distanceInMile < 10);
then then
rideFare.setNightSurcharge(0); rideFare.setNightSurcharge(0);
rideFare.setRideFare(70); rideFare.setRideFare(70);
@ -15,7 +15,7 @@ end
rule "Calculate Taxi Fare - Scenario 2" rule "Calculate Taxi Fare - Scenario 2"
when when
taxiRideInstance:TaxiRide(bNightSurcharge == true && distanceInMile < 10); taxiRideInstance:TaxiRide(isNightSurcharge == true && distanceInMile < 10);
then then
rideFare.setNightSurcharge(30); rideFare.setNightSurcharge(30);
rideFare.setRideFare(70); rideFare.setRideFare(70);
@ -24,7 +24,7 @@ end
rule "Calculate Taxi Fare - Scenario 3" rule "Calculate Taxi Fare - Scenario 3"
when when
taxiRideInstance:TaxiRide(bNightSurcharge == false && distanceInMile >= 10 && distanceInMile < 100); taxiRideInstance:TaxiRide(isNightSurcharge == false && distanceInMile >= 10 && distanceInMile < 100);
then then
rideFare.setNightSurcharge(0); rideFare.setNightSurcharge(0);
rideFare.setRideFare(70+(2*taxiRideInstance.getDistanceInMile())); rideFare.setRideFare(70+(2*taxiRideInstance.getDistanceInMile()));
@ -33,7 +33,7 @@ end
rule "Calculate Taxi Fare - Scenario 4" rule "Calculate Taxi Fare - Scenario 4"
when when
taxiRideInstance:TaxiRide(bNightSurcharge == true && distanceInMile >= 10 && distanceInMile < 100); taxiRideInstance:TaxiRide(isNightSurcharge == true && distanceInMile >= 10 && distanceInMile < 100);
then then
rideFare.setNightSurcharge(30+taxiRideInstance.getDistanceInMile()); rideFare.setNightSurcharge(30+taxiRideInstance.getDistanceInMile());
rideFare.setRideFare(70+(2*taxiRideInstance.getDistanceInMile())); rideFare.setRideFare(70+(2*taxiRideInstance.getDistanceInMile()));
@ -42,7 +42,7 @@ end
rule "Calculate Taxi Fare - Scenario 5" rule "Calculate Taxi Fare - Scenario 5"
when when
taxiRideInstance:TaxiRide(bNightSurcharge == false && distanceInMile >= 100); taxiRideInstance:TaxiRide(isNightSurcharge == false && distanceInMile >= 100);
then then
rideFare.setNightSurcharge(0); rideFare.setNightSurcharge(0);
rideFare.setRideFare(70+(1.5*taxiRideInstance.getDistanceInMile())); rideFare.setRideFare(70+(1.5*taxiRideInstance.getDistanceInMile()));
@ -50,7 +50,7 @@ end
rule "Calculate Taxi Fare - Scenario 6" rule "Calculate Taxi Fare - Scenario 6"
when when
taxiRideInstance:TaxiRide(bNightSurcharge == true && distanceInMile >= 100); taxiRideInstance:TaxiRide(isNightSurcharge == true && distanceInMile >= 100);
then then
rideFare.setNightSurcharge(30+taxiRideInstance.getDistanceInMile()); rideFare.setNightSurcharge(30+taxiRideInstance.getDistanceInMile());
rideFare.setRideFare(70+(1.5*taxiRideInstance.getDistanceInMile())); rideFare.setRideFare(70+(1.5*taxiRideInstance.getDistanceInMile()));

43
spring-drools/src/test/java/com/baeldung/spring/drools/service/TaxiFareCalculatorServiceIntegrationTest.java
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@ -1,16 +1,17 @@
package com.baeldung.spring.drools.service; package com.baeldung.spring.drools.service;
import com.baeldung.spring.drools.model.Fare; import static org.junit.Assert.assertEquals;
import com.baeldung.spring.drools.model.TaxiRide; import static org.junit.Assert.assertNotNull;
import org.junit.Assert;
import org.junit.Test; import org.junit.Test;
import org.junit.runner.RunWith; import org.junit.runner.RunWith;
import org.springframework.beans.factory.annotation.Autowired; import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.test.context.ContextConfiguration; import org.springframework.test.context.ContextConfiguration;
import org.springframework.test.context.junit4.SpringJUnit4ClassRunner; import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
import static org.junit.Assert.assertEquals; import com.baeldung.spring.drools.model.Fare;
import static org.junit.Assert.assertNotNull; import com.baeldung.spring.drools.model.TaxiRide;
@RunWith(SpringJUnit4ClassRunner.class) @RunWith(SpringJUnit4ClassRunner.class)
@ContextConfiguration(classes = TaxiFareConfiguration.class) @ContextConfiguration(classes = TaxiFareConfiguration.class)
@ -20,9 +21,9 @@ public class TaxiFareCalculatorServiceIntegrationTest {
private TaxiFareCalculatorService taxiFareCalculatorService; private TaxiFareCalculatorService taxiFareCalculatorService;
@Test @Test
public void testCalculateFareScenario1() { public void whenNightSurchargeFalseAndDistanceLessThan10_thenFixFareWithoutNightSurcharge() {
TaxiRide taxiRide = new TaxiRide(); TaxiRide taxiRide = new TaxiRide();
taxiRide.setbNightSurcharge(false); taxiRide.setIsNightSurcharge(false);
taxiRide.setDistanceInMile(9L); taxiRide.setDistanceInMile(9L);
Fare rideFare = new Fare(); Fare rideFare = new Fare();
Long totalCharge = taxiFareCalculatorService.calculateFare(taxiRide, rideFare); Long totalCharge = taxiFareCalculatorService.calculateFare(taxiRide, rideFare);
@ -30,11 +31,11 @@ public class TaxiFareCalculatorServiceIntegrationTest {
assertNotNull(totalCharge); assertNotNull(totalCharge);
assertEquals(Long.valueOf(70), totalCharge); assertEquals(Long.valueOf(70), totalCharge);
} }
@Test @Test
public void testCalculateFareScenario2() { public void whenNightSurchargeTrueAndDistanceLessThan10_thenFixFareWithNightSurcharge() {
TaxiRide taxiRide = new TaxiRide(); TaxiRide taxiRide = new TaxiRide();
taxiRide.setbNightSurcharge(true); taxiRide.setIsNightSurcharge(true);
taxiRide.setDistanceInMile(5L); taxiRide.setDistanceInMile(5L);
Fare rideFare = new Fare(); Fare rideFare = new Fare();
Long totalCharge = taxiFareCalculatorService.calculateFare(taxiRide, rideFare); Long totalCharge = taxiFareCalculatorService.calculateFare(taxiRide, rideFare);
@ -44,9 +45,9 @@ public class TaxiFareCalculatorServiceIntegrationTest {
} }
@Test @Test
public void testCalculateFareScenario3() { public void whenNightSurchargeFalseAndDistanceLessThan100_thenDoubleFareWithoutNightSurcharge() {
TaxiRide taxiRide = new TaxiRide(); TaxiRide taxiRide = new TaxiRide();
taxiRide.setbNightSurcharge(false); taxiRide.setIsNightSurcharge(false);
taxiRide.setDistanceInMile(50L); taxiRide.setDistanceInMile(50L);
Fare rideFare = new Fare(); Fare rideFare = new Fare();
Long totalCharge = taxiFareCalculatorService.calculateFare(taxiRide, rideFare); Long totalCharge = taxiFareCalculatorService.calculateFare(taxiRide, rideFare);
@ -54,11 +55,11 @@ public class TaxiFareCalculatorServiceIntegrationTest {
assertNotNull(totalCharge); assertNotNull(totalCharge);
assertEquals(Long.valueOf(170), totalCharge); assertEquals(Long.valueOf(170), totalCharge);
} }
@Test @Test
public void testCalculateFareScenario4() { public void whenNightSurchargeTrueAndDistanceLessThan100_thenDoubleFareWithNightSurcharge() {
TaxiRide taxiRide = new TaxiRide(); TaxiRide taxiRide = new TaxiRide();
taxiRide.setbNightSurcharge(true); taxiRide.setIsNightSurcharge(true);
taxiRide.setDistanceInMile(50L); taxiRide.setDistanceInMile(50L);
Fare rideFare = new Fare(); Fare rideFare = new Fare();
Long totalCharge = taxiFareCalculatorService.calculateFare(taxiRide, rideFare); Long totalCharge = taxiFareCalculatorService.calculateFare(taxiRide, rideFare);
@ -66,11 +67,11 @@ public class TaxiFareCalculatorServiceIntegrationTest {
assertNotNull(totalCharge); assertNotNull(totalCharge);
assertEquals(Long.valueOf(250), totalCharge); assertEquals(Long.valueOf(250), totalCharge);
} }
@Test @Test
public void testCalculateFareScenario5() { public void whenNightSurchargeFalseAndDistanceGreaterThan100_thenExtraPercentFareWithoutNightSurcharge() {
TaxiRide taxiRide = new TaxiRide(); TaxiRide taxiRide = new TaxiRide();
taxiRide.setbNightSurcharge(false); taxiRide.setIsNightSurcharge(false);
taxiRide.setDistanceInMile(100L); taxiRide.setDistanceInMile(100L);
Fare rideFare = new Fare(); Fare rideFare = new Fare();
Long totalCharge = taxiFareCalculatorService.calculateFare(taxiRide, rideFare); Long totalCharge = taxiFareCalculatorService.calculateFare(taxiRide, rideFare);
@ -78,11 +79,11 @@ public class TaxiFareCalculatorServiceIntegrationTest {
assertNotNull(totalCharge); assertNotNull(totalCharge);
assertEquals(Long.valueOf(220), totalCharge); assertEquals(Long.valueOf(220), totalCharge);
} }
@Test @Test
public void testCalculateFareScenario6() { public void whenNightSurchargeTrueAndDistanceGreaterThan100_thenExtraPercentFareWithNightSurcharge() {
TaxiRide taxiRide = new TaxiRide(); TaxiRide taxiRide = new TaxiRide();
taxiRide.setbNightSurcharge(true); taxiRide.setIsNightSurcharge(true);
taxiRide.setDistanceInMile(100L); taxiRide.setDistanceInMile(100L);
Fare rideFare = new Fare(); Fare rideFare = new Fare();
Long totalCharge = taxiFareCalculatorService.calculateFare(taxiRide, rideFare); Long totalCharge = taxiFareCalculatorService.calculateFare(taxiRide, rideFare);