diff options
Diffstat (limited to 'graphs/java/pizzaStreams')
6 files changed, 381 insertions, 0 deletions
diff --git a/graphs/java/pizzaStreams/.gitignore b/graphs/java/pizzaStreams/.gitignore new file mode 100644 index 0000000..5ff6309 --- /dev/null +++ b/graphs/java/pizzaStreams/.gitignore @@ -0,0 +1,38 @@ +target/ +!.mvn/wrapper/maven-wrapper.jar +!**/src/main/**/target/ +!**/src/test/**/target/ + +### IntelliJ IDEA ### +.idea/modules.xml +.idea/jarRepositories.xml +.idea/compiler.xml +.idea/libraries/ +*.iws +*.iml +*.ipr + +### Eclipse ### +.apt_generated +.classpath +.factorypath +.project +.settings +.springBeans +.sts4-cache + +### NetBeans ### +/nbproject/private/ +/nbbuild/ +/dist/ +/nbdist/ +/.nb-gradle/ +build/ +!**/src/main/**/build/ +!**/src/test/**/build/ + +### VS Code ### +.vscode/ + +### Mac OS ### +.DS_Store
\ No newline at end of file diff --git a/graphs/java/pizzaStreams/pom.xml b/graphs/java/pizzaStreams/pom.xml new file mode 100644 index 0000000..ffa630f --- /dev/null +++ b/graphs/java/pizzaStreams/pom.xml @@ -0,0 +1,138 @@ +<?xml version="1.0" encoding="UTF-8"?> +<project xmlns="http://maven.apache.org/POM/4.0.0" + xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" + xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd"> + <modelVersion>4.0.0</modelVersion> + <groupId>fr.epita.assistants</groupId> + <artifactId>pizzaStreams</artifactId> + <version>1.0</version> + + <properties> + <versions.java>21</versions.java> + <versions.junit>5.9.1</versions.junit> + <versions.maven-compiler-plugin>3.13.0</versions.maven-compiler-plugin> + <versions.maven-surefire-plugin>3.5.0</versions.maven-surefire-plugin> + <versions.maven-jar-plugin>3.1.1</versions.maven-jar-plugin> + <versions.maven-install-plugin>3.1.0</versions.maven-install-plugin> + + <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding> + + <surefire.reportsDirectory>${project.build.directory}/surefire-reports</surefire.reportsDirectory> + </properties> + + <dependencies> + <dependency> + <groupId>org.junit.jupiter</groupId> + <artifactId>junit-jupiter</artifactId> + <version>${versions.junit}</version> + </dependency> + <dependency> + <groupId>org.apache.maven.surefire</groupId> + <artifactId>surefire-junit-platform</artifactId> + <version>${versions.maven-surefire-plugin}</version> + </dependency> + <dependency> + <groupId>org.apache.maven</groupId> + <artifactId>maven-compat</artifactId> + <version>3.9.8</version> + </dependency> + <dependency> + <groupId>org.apache.maven</groupId> + <artifactId>maven-plugin-api</artifactId> + <version>3.9.8</version> + </dependency> + <dependency> + <groupId>org.apache.maven</groupId> + <artifactId>maven-project</artifactId> + <version>2.2.1</version> + </dependency> + <dependency> + <groupId>org.apache.maven</groupId> + <artifactId>maven-core</artifactId> + <version>3.8.1</version> + </dependency> + <dependency> + <groupId>org.apache.maven</groupId> + <artifactId>maven-monitor</artifactId> + <version>2.2.1</version> + </dependency> + <dependency> + <groupId>org.codehaus.plexus</groupId> + <artifactId>plexus-utils</artifactId> + <version>3.0.24</version> + </dependency> + <dependency> + <groupId>org.apache.maven.shared</groupId> + <artifactId>maven-filtering</artifactId> + <version>3.3.2</version> + </dependency> + <dependency> + <groupId>org.codehaus.plexus</groupId> + <artifactId>plexus-interpolation</artifactId> + <version>1.13</version> + </dependency> + <dependency> + <groupId>org.apache.maven</groupId> + <artifactId>maven-profile</artifactId> + <version>2.2.1</version> + </dependency> + <dependency> + <groupId>org.apache.maven</groupId> + <artifactId>maven-artifact-manager</artifactId> + <version>2.2.1</version> + </dependency> + <dependency> + <groupId>org.apache.maven</groupId> + <artifactId>maven-plugin-registry</artifactId> + <version>2.2.1</version> + </dependency> + <dependency> + <groupId>org.apache.maven</groupId> + <artifactId>maven-repository-metadata</artifactId> + <version>2.2.1</version> + </dependency> + <dependency> + <groupId>classworlds</groupId> + <artifactId>classworlds</artifactId> + <version>1.1</version> + </dependency> + <dependency> + <groupId>org.junit.platform</groupId> + <artifactId>junit-platform-commons</artifactId> + <version>1.9.3</version> + </dependency> + <dependency> + <groupId>org.javassist</groupId> + <artifactId>javassist</artifactId> + <version>3.29.2-GA</version> + </dependency> + </dependencies> + + <build> + <plugins> + <plugin> + <groupId>org.apache.maven.plugins</groupId> + <artifactId>maven-compiler-plugin</artifactId> + <version>${versions.maven-compiler-plugin}</version> + <configuration> + <source>${versions.java}</source> + <target>${versions.java}</target> + </configuration> + </plugin> + <plugin> + <groupId>org.apache.maven.plugins</groupId> + <artifactId>maven-install-plugin</artifactId> + <version>${versions.maven-install-plugin}</version> + </plugin> + + <plugin> + <groupId>org.apache.maven.plugins</groupId> + <artifactId>maven-surefire-plugin</artifactId> + <version>${versions.maven-surefire-plugin}</version> + <configuration> + <reportsDirectory>${surefire.reportsDirectory}</reportsDirectory> + </configuration> + </plugin> + </plugins> + </build> +</project> diff --git a/graphs/java/pizzaStreams/src/main/java/fr/epita/assistants/pizzastreams/Dough.java b/graphs/java/pizzaStreams/src/main/java/fr/epita/assistants/pizzastreams/Dough.java new file mode 100644 index 0000000..a0ea259 --- /dev/null +++ b/graphs/java/pizzaStreams/src/main/java/fr/epita/assistants/pizzastreams/Dough.java @@ -0,0 +1,16 @@ +package fr.epita.assistants.pizzastreams; + +public enum Dough { + NATURE(2), + CAJUN(3); + + private final Integer price; + + Dough(final Integer price) { + this.price = price; + } + + public Integer getPrice() { + return this.price; + } +} diff --git a/graphs/java/pizzaStreams/src/main/java/fr/epita/assistants/pizzastreams/Pizza.java b/graphs/java/pizzaStreams/src/main/java/fr/epita/assistants/pizzastreams/Pizza.java new file mode 100644 index 0000000..d47b8da --- /dev/null +++ b/graphs/java/pizzaStreams/src/main/java/fr/epita/assistants/pizzastreams/Pizza.java @@ -0,0 +1,47 @@ +package fr.epita.assistants.pizzastreams; + +import fr.epita.assistants.pizzastreams.Topping.Cheese; +import fr.epita.assistants.pizzastreams.Topping.Protein; +import fr.epita.assistants.pizzastreams.Topping.Sauce; +import fr.epita.assistants.pizzastreams.Topping.Vegetable; + +import java.util.List; + +public class Pizza { + private final String name; + private final Dough dough; + private final Topping topping; + private final Integer price; + + public Pizza(final String name, final Dough dough, final Sauce sauce, final Cheese cheese, + final List<Vegetable> vegetableList, final Protein protein) { + this.name = name; + this.topping = new Topping(sauce, cheese, vegetableList, protein); + this.dough = dough; + + final int doughPrice = dough.getPrice(); + final int saucePrice = topping.getSaucePrice(); + final int cheesePrice = topping.getCheesePrice(); + final int vegetablesPrice = topping.getVegetablesPrice(); + final int proteinPrice = topping.getProteinPrice(); + + this.price = doughPrice + saucePrice + cheesePrice + vegetablesPrice + + proteinPrice; + } + + public String getName() { + return name; + } + + public Dough getDough() { + return dough; + } + + public Topping getTopping() { + return topping; + } + + public Integer getPrice() { + return price; + } +} diff --git a/graphs/java/pizzaStreams/src/main/java/fr/epita/assistants/pizzastreams/PizzaStreams.java b/graphs/java/pizzaStreams/src/main/java/fr/epita/assistants/pizzastreams/PizzaStreams.java new file mode 100644 index 0000000..26259a3 --- /dev/null +++ b/graphs/java/pizzaStreams/src/main/java/fr/epita/assistants/pizzastreams/PizzaStreams.java @@ -0,0 +1,60 @@ +package fr.epita.assistants.pizzastreams; + +import java.util.Comparator; +import java.util.List; +import java.util.stream.Stream; + +import fr.epita.assistants.pizzastreams.Topping.*; + +public class PizzaStreams { + /** + * @return The sum of the prices of all the pizzas in the stream + */ + public static Integer getTotalPrice(Stream<Pizza> pizzaStream) { + return pizzaStream.mapToInt(Pizza::getPrice).sum(); + } + + /** + * @return The average price of the pizzas in the stream, or the + * double NaN if the stream is empty + */ + public static Double getAveragePrice(Stream<Pizza> pizzaStream) { + return pizzaStream.mapToDouble(Pizza::getPrice).average().orElse(Double.NaN); + } + + /** + * @return Names of the pizzas, sorted by price in ascending order + */ + public static List<String> sortByPrice(Stream<Pizza> pizzaStream) { + return pizzaStream.sorted(Comparator.comparing(Pizza::getPrice)).map(Pizza::getName).toList(); + } + + /** + * @return The Pizza object that has the lowest price, or null by default + */ + public static Pizza getCheapest(Stream<Pizza> pizzaStream) { + return pizzaStream.min(Comparator.comparing(Pizza::getPrice)).orElse(null); + } + + /** + * @return Names of the pizzas with meat (Protein) + */ + public static List<String> getCarnivorous(Stream<Pizza> pizzaStream) { + return pizzaStream.filter(i -> i.getTopping().getProtein().isPresent()).map(Pizza::getName).toList(); + } + + /** + * @return Names of the pizzas with at least one Vegetable and no Proteins + */ + public static List<String> getVeggies(Stream<Pizza> pizzaStream) { + return pizzaStream.filter(i -> i.getTopping().getProtein().isEmpty() && !i.getTopping().getVegetableList().isEmpty()).map(Pizza::getName).toList(); + } + + /** + * @return true if all the pizzas with a nature dough are based with tomato + * and mozzarella (italian pizza criteria), false otherwise + */ + public static boolean areAllNatureItalians(Stream<Pizza> pizzaStream) { + return pizzaStream.filter(i -> i.getDough() == Dough.NATURE).allMatch(i -> i.getTopping().getCheese() == Cheese.MOZZARELLA && i.getTopping().getSauce() == Sauce.TOMATO); + } +} diff --git a/graphs/java/pizzaStreams/src/main/java/fr/epita/assistants/pizzastreams/Topping.java b/graphs/java/pizzaStreams/src/main/java/fr/epita/assistants/pizzastreams/Topping.java new file mode 100644 index 0000000..aaacb58 --- /dev/null +++ b/graphs/java/pizzaStreams/src/main/java/fr/epita/assistants/pizzastreams/Topping.java @@ -0,0 +1,82 @@ +package fr.epita.assistants.pizzastreams; + +import java.util.List; +import java.util.Optional; + +public class Topping { + public enum Sauce { + TOMATO, + BUFFALO, + PESTO, + } + + public enum Cheese { + MOZZARELLA, + CHEDDAR, + CREAM, + } + + public enum Vegetable { + OLIVE, + MUSHROOM, + ONION, + } + + public enum Protein { + CHICKEN, + BACON, + MERGUEZ, + } + + private final Sauce sauce; + private final Cheese cheese; + private final List<Vegetable> vegetableList; + private final Protein protein; + + public Topping(final Sauce sauce, final Cheese cheese, final List<Vegetable> vegetableList, + final Protein protein) { + this.sauce = sauce; + this.cheese = cheese; + this.vegetableList = vegetableList; + this.protein = protein; + } + + public Sauce getSauce() { + return sauce; + } + + public Cheese getCheese() { + return cheese; + } + + public List<Vegetable> getVegetableList() { + return vegetableList; + } + + public Optional<Protein> getProtein() { + return Optional.ofNullable(protein); + } + + public Integer getSaucePrice() { + return (sauce == Sauce.TOMATO) ? 1 : ((sauce == Sauce.BUFFALO) ? 2 : 3); + } + + public Integer getCheesePrice() { + return (cheese == Cheese.MOZZARELLA) ? 2 : ((cheese == Cheese.CHEDDAR) ? 3 : 4); + } + + public Integer getProteinPrice() { + return protein == null ? 0 + : protein == Protein.CHICKEN ? 5 : 8; + } + + public Integer getVegetablesPrice() { + return (vegetableList + .isEmpty() + ? 0 + : vegetableList.stream() + .mapToInt((v) -> (v == Vegetable.OLIVE + || v == Vegetable.ONION) ? 1 : 2) + .sum()); + } +} |