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#84 Started work on cake baking

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This commit is contained in:
Ilkka Seppala 2015-08-09 23:38:02 +03:00
parent 981c5b31e1
commit 2ca8ab09e0
10 changed files with 218 additions and 18 deletions
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17
layers/src/main/java/com/iluwatar/layers/App.java
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@ -1,17 +1,16 @@
package com.iluwatar.layers;
import org.springframework.context.support.ClassPathXmlApplicationContext;
public class App {
public static void main(String[] args) {
ClassPathXmlApplicationContext context = new ClassPathXmlApplicationContext(
"applicationContext.xml");
CakeLayerDao cakeLayerDao = context.getBean(CakeLayerDao.class);
cakeLayerDao.save(new CakeLayer("strawberry", 1200));
System.out.println("Count CakeLayer records: " + cakeLayerDao.count());
context.close();
CakeBakingService service = new CakeBakingServiceImpl();
service.saveNewLayer(new CakeLayerInfo("foo", 1));
service.saveNewLayer(new CakeLayerInfo("bar", 2));
service.getAllLayers().stream().forEach((layer) -> System.out.println(layer));
service.saveNewTopping(new CakeToppingInfo("hoi", 11));
service.getAllToppings().stream().forEach((topping) -> System.out.println(topping));
}
}

32
layers/src/main/java/com/iluwatar/layers/Cake.java
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@ -15,14 +15,38 @@ public class Cake {
@Id
@GeneratedValue
private Long id;
@OneToMany
private List<CakeLayer> layers;
@OneToOne
private CakeTopping topping;
@OneToMany
private List<CakeLayer> layers;
public Cake() {
layers = new ArrayList<>();
setLayers(new ArrayList<>());
}
public Long getId() {
return id;
}
public void setId(Long id) {
this.id = id;
}
public CakeTopping getTopping() {
return topping;
}
public void setTopping(CakeTopping topping) {
this.topping = topping;
}
public List<CakeLayer> getLayers() {
return layers;
}
public void setLayers(List<CakeLayer> layers) {
this.layers = layers;
}
}

11
layers/src/main/java/com/iluwatar/layers/CakeBakingException.java Normal file
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@ -0,0 +1,11 @@
package com.iluwatar.layers;
public class CakeBakingException extends Exception {
public CakeBakingException() {
}
public CakeBakingException(String message) {
super(message);
}
}

8
layers/src/main/java/com/iluwatar/layers/CakeBakingService.java
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@ -1,10 +1,16 @@
package com.iluwatar.layers;
import java.util.List;
public interface CakeBakingService {
void bakeNewCake(CakeInfo cakeInfo);
void bakeNewCake(CakeInfo cakeInfo) throws CakeBakingException;
void saveNewTopping(CakeToppingInfo toppingInfo);
List<CakeToppingInfo> getAllToppings();
void saveNewLayer(CakeLayerInfo layerInfo);
List<CakeLayerInfo> getAllLayers();
}

65
layers/src/main/java/com/iluwatar/layers/CakeBakingServiceImpl.java
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@ -1,16 +1,79 @@
package com.iluwatar.layers;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import java.util.Optional;
import java.util.stream.Collectors;
import org.springframework.context.support.AbstractApplicationContext;
import org.springframework.context.support.ClassPathXmlApplicationContext;
public class CakeBakingServiceImpl implements CakeBakingService {
private AbstractApplicationContext context;
public CakeBakingServiceImpl() {
this.context = new ClassPathXmlApplicationContext("applicationContext.xml");
}
@Override
public void bakeNewCake(CakeInfo cakeInfo) {
public void bakeNewCake(CakeInfo cakeInfo) throws CakeBakingException {
List<CakeToppingInfo> allToppings = getAllToppings();
List<CakeToppingInfo> matchingToppings = allToppings.stream()
.filter((t) -> t.name.equals(cakeInfo.cakeToppingInfo.name)).collect(Collectors.toList());
if (!matchingToppings.isEmpty()) {
// CakeToppingDao toppingBean = context.getBean(CakeToppingDao.class);
// toppingBean.delete(matchingToppings.iterator().next().id.get());
} else {
throw new CakeBakingException(String.format("Topping %s is not available", cakeInfo.cakeToppingInfo.name));
}
List<CakeLayerInfo> allLayers = getAllLayers();
for (CakeLayerInfo info: cakeInfo.cakeLayerInfos) {
Optional<CakeLayerInfo> found = allLayers.stream().filter((layer) -> layer.name.equals(info.name)).findFirst();
if (found.isPresent()) {
// CakeLayerDao layerBean = context.getBean(CakeLayerDao.class);
// layerBean.delete(found.get().id.get());
} else {
throw new CakeBakingException(String.format("Layer %s is not available", info.name));
}
}
CakeDao cakeBean = context.getBean(CakeDao.class);
}
@Override
public void saveNewTopping(CakeToppingInfo toppingInfo) {
CakeToppingDao bean = context.getBean(CakeToppingDao.class);
bean.save(new CakeTopping(toppingInfo.name, toppingInfo.calories));
}
@Override
public void saveNewLayer(CakeLayerInfo layerInfo) {
CakeLayerDao bean = context.getBean(CakeLayerDao.class);
bean.save(new CakeLayer(layerInfo.name, layerInfo.calories));
}
@Override
public List<CakeToppingInfo> getAllToppings() {
CakeToppingDao bean = context.getBean(CakeToppingDao.class);
List<CakeToppingInfo> result = new ArrayList<>();
Iterator<CakeTopping> iterator = bean.findAll().iterator();
while (iterator.hasNext()) {
CakeTopping next = iterator.next();
result.add(new CakeToppingInfo(next.getId(), next.getName(), next.getCalories()));
}
return result;
}
@Override
public List<CakeLayerInfo> getAllLayers() {
CakeLayerDao bean = context.getBean(CakeLayerDao.class);
List<CakeLayerInfo> result = new ArrayList<>();
Iterator<CakeLayer> iterator = bean.findAll().iterator();
while (iterator.hasNext()) {
CakeLayer next = iterator.next();
result.add(new CakeLayerInfo(next.getId(), next.getName(), next.getCalories()));
}
return result;
}
}

9
layers/src/main/java/com/iluwatar/layers/CakeInfo.java
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@ -1,13 +1,22 @@
package com.iluwatar.layers;
import java.util.List;
import java.util.Optional;
public class CakeInfo {
public final Optional<Long> id;
public final CakeToppingInfo cakeToppingInfo;
public final List<CakeLayerInfo> cakeLayerInfos;
public CakeInfo(Long id, CakeToppingInfo cakeToppingInfo, List<CakeLayerInfo> cakeLayerInfos) {
this.id = Optional.of(id);
this.cakeToppingInfo = cakeToppingInfo;
this.cakeLayerInfos = cakeLayerInfos;
}
public CakeInfo(CakeToppingInfo cakeToppingInfo, List<CakeLayerInfo> cakeLayerInfos) {
this.id = Optional.empty();
this.cakeToppingInfo = cakeToppingInfo;
this.cakeLayerInfos = cakeLayerInfos;
}

29
layers/src/main/java/com/iluwatar/layers/CakeLayer.java
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@ -19,7 +19,36 @@ public class CakeLayer {
}
public CakeLayer(String name, int calories) {
this.setName(name);
this.setCalories(calories);
}
public Long getId() {
return id;
}
public void setId(Long id) {
this.id = id;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public int getCalories() {
return calories;
}
public void setCalories(int calories) {
this.calories = calories;
}
@Override
public String toString() {
return String.format("name: %s calories: %d", name, calories);
}
}

17
layers/src/main/java/com/iluwatar/layers/CakeLayerInfo.java
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@ -1,12 +1,27 @@
package com.iluwatar.layers;
import java.util.Optional;
public class CakeLayerInfo {
public final Optional<Long> id;
public final String name;
public final int calories;
public CakeLayerInfo(String name, int calories) {
public CakeLayerInfo(Long id, String name, int calories) {
this.id = Optional.of(id);
this.name = name;
this.calories = calories;
}
public CakeLayerInfo(String name, int calories) {
this.id = Optional.empty();
this.name = name;
this.calories = calories;
}
@Override
public String toString() {
return String.format("name: %s calories: %d", name, calories);
}
}

29
layers/src/main/java/com/iluwatar/layers/CakeTopping.java
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@ -19,7 +19,36 @@ public class CakeTopping {
}
public CakeTopping(String name, int calories) {
this.setName(name);
this.setCalories(calories);
}
public Long getId() {
return id;
}
public void setId(Long id) {
this.id = id;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public int getCalories() {
return calories;
}
public void setCalories(int calories) {
this.calories = calories;
}
@Override
public String toString() {
return String.format("name: %s calories: %d", name, calories);
}
}

19
layers/src/main/java/com/iluwatar/layers/CakeToppingInfo.java
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@ -1,12 +1,27 @@
package com.iluwatar.layers;
import java.util.Optional;
public class CakeToppingInfo {
public final Optional<Long> id;
public final String name;
public final int calories;
public CakeToppingInfo(String name, int calories) {
public CakeToppingInfo(Long id, String name, int calories) {
this.id = Optional.of(id);
this.name = name;
this.calories = calories;
}
public CakeToppingInfo(String name, int calories) {
this.id = Optional.empty();
this.name = name;
this.calories = calories;
}
@Override
public String toString() {
return String.format("name: %s calories: %d", name, calories);
}
}