first working spring app

examples/pom.xml

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+<?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>
+    <parent>
+        <groupId>org.eclipse.store</groupId>
+        <artifactId>store-parent</artifactId>
+        <version>1.0.0-SNAPSHOT</version>
+    </parent>
+
+    <artifactId>examples</artifactId>
+
+    <packaging>pom</packaging>
+
+    <modules>
+        <module>spring-boot3-simple</module>
+    </modules>
+
+    <properties>
+        <maven.compiler.source>17</maven.compiler.source>
+        <maven.compiler.target>17</maven.compiler.target>
+        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+    </properties>
+
+</project>

examples/spring-boot3-simple/pom.xml

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+<?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>
+    <parent>
+        <groupId>org.eclipse.store</groupId>
+        <artifactId>examples</artifactId>
+        <version>1.0.0-SNAPSHOT</version>
+        <relativePath>../pom.xml</relativePath>
+    </parent>
+
+    <artifactId>spring-boot3-simple</artifactId>
+
+    <properties>
+        <maven.compiler.source>17</maven.compiler.source>
+        <maven.compiler.target>17</maven.compiler.target>
+        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+        <spring.boot.version>3.1.5</spring.boot.version>
+    </properties>
+
+
+    <dependencyManagement>
+        <dependencies>
+            <dependency>
+                <groupId>org.springframework.boot</groupId>
+                <artifactId>spring-boot-dependencies</artifactId>
+                <version>${spring.boot.version}</version>
+                <type>pom</type>
+                <scope>import</scope>
+            </dependency>
+        </dependencies>
+    </dependencyManagement>
+
+    <dependencies>
+
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-web</artifactId>
+            <version>${spring.boot.version}</version>
+        </dependency>
+
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-test</artifactId>
+            <version>${spring.boot.version}</version>
+            <scope>test</scope>
+        </dependency>
+
+        <dependency>
+            <groupId>org.eclipse.store</groupId>
+            <artifactId>spring-boot3</artifactId>
+            <version>1.0.0-SNAPSHOT</version>
+        </dependency>
+    </dependencies>
+
+</project>

examples/spring-boot3-simple/readme.md

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+
+
+
+
+```shell
+
+curl --location --request POST 'http://localhost:8080/init' \
+--header 'Content-Type: application/json'
+
+
+curl --location --request GET 'http://localhost:8080/jokes' \
+--header 'Content-Type: application/json'
+
+```

examples/spring-boot3-simple/src/main/java/org/microstream/spring/boot/example/JokesApplication.java

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+package org.microstream.spring.boot.example;
+
+import org.eclipse.store.integrations.spring.boot.types.EclipseStoreSpringBoot;
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+import org.springframework.context.annotation.Import;
+
+@SpringBootApplication
+@Import(EclipseStoreSpringBoot.class)
+public class JokesApplication
+{
+    public static void main(String... args)
+    {
+        SpringApplication.run(JokesApplication.class, args);
+    }
+}

examples/spring-boot3-simple/src/main/java/org/microstream/spring/boot/example/controller/JokesController.java

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+package org.microstream.spring.boot.example.controller;
+
+import org.microstream.spring.boot.example.service.JokesServices;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.RequestParam;
+import org.springframework.web.bind.annotation.RestController;
+
+import java.util.List;
+
+@RestController
+public class JokesController
+{
+
+    private final JokesServices jokesServices;
+
+    public JokesController(JokesServices jokesServices)
+    {
+        this.jokesServices = jokesServices;
+    }
+
+    @GetMapping("/jokes")
+    public List<String> getAll()
+    {
+        return jokesServices.allJokes();
+    }
+
+    @GetMapping("/joke")
+    public String getOneJoke(@RequestParam(required = false) Integer id)
+    {
+        return jokesServices.oneJoke(id);
+    }
+
+    @PostMapping("/add")
+    public Integer putOne(String joke)
+    {
+        return jokesServices.addNewJoke(joke);
+    }
+
+    @PostMapping("/init")
+    public void init()
+    {
+        jokesServices.loadPredefiniedJokes();
+    }
+}

examples/spring-boot3-simple/src/main/java/org/microstream/spring/boot/example/model/Root.java

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+package org.microstream.spring.boot.example.model;
+
+import java.util.ArrayList;
+import java.util.List;
+
+public class Root
+{
+    private final List<String> jokes = new ArrayList<>();
+
+    public List<String> getJokes()
+    {
+        return jokes;
+    }
+}

examples/spring-boot3-simple/src/main/java/org/microstream/spring/boot/example/service/JokesServices.java

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+package org.microstream.spring.boot.example.service;
+
+import org.eclipse.store.storage.embedded.types.EmbeddedStorageManager;
+import org.microstream.spring.boot.example.model.Root;
+import org.microstream.spring.boot.example.storage.JokesStorage;
+import org.springframework.stereotype.Service;
+import org.springframework.util.ResourceUtils;
+
+import java.io.File;
+import java.io.IOException;
+import java.nio.file.Files;
+import java.util.List;
+import java.util.Objects;
+
+@Service
+public class JokesServices
+{
+    private final JokesStorage jokesStorage;
+
+
+    public String oneJoke(Integer id) {
+        String joke;
+        joke = jokesStorage.oneJoke(Objects.requireNonNullElse(id, 0));
+        return joke;
+    }
+
+    public JokesServices(JokesStorage jokesStorage)
+    {
+        this.jokesStorage = jokesStorage;
+    }
+
+    public List<String> allJokes()
+    {
+        return jokesStorage.allJokes();
+    }
+
+    public Integer addNewJoke(String joke)
+    {
+        return jokesStorage.addNewJoke(joke);
+    }
+
+    public void loadPredefiniedJokes() {
+        List<String> jokes = null;
+        try
+        {
+            File file = ResourceUtils.getFile("classpath:jokes.txt");
+            jokes = Files.readAllLines(file.toPath());
+        } catch (IOException e)
+        {
+            throw new RuntimeException(e);
+        }
+            List<String> existingJokes = jokesStorage.allJokes();
+            if (existingJokes.containsAll(jokes)) {
+                return;
+        }
+        jokesStorage.addJokes(jokes);
+    }
+
+}

examples/spring-boot3-simple/src/main/java/org/microstream/spring/boot/example/storage/JokesStorage.java

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+package org.microstream.spring.boot.example.storage;
+
+import org.eclipse.store.storage.embedded.types.EmbeddedStorageManager;
+import org.microstream.spring.boot.example.model.Root;
+import org.springframework.stereotype.Component;
+
+import java.util.concurrent.locks.ReentrantReadWriteLock;
+import java.util.List;
+
+
+@Component
+public class JokesStorage
+{
+    private final EmbeddedStorageManager storageManager;
+    private final ReentrantReadWriteLock lock = new ReentrantReadWriteLock();
+
+    public JokesStorage(EmbeddedStorageManager storageManager)
+    {
+        this.storageManager = storageManager;
+    }
+
+    public String oneJoke(Integer id) {
+        String joke;
+        lock.readLock().lock();
+        try
+        {
+            Root root = (Root) storageManager.root();
+            if (id > root.getJokes().size()) {
+                throw new IllegalArgumentException("No jokes with this id");
+            }
+            joke = root.getJokes().get(id);
+
+        }
+        finally
+        {
+            lock.readLock().unlock();
+        }
+        return joke;
+    }
+
+    public List<String> allJokes()
+    {
+        List<String> jokes = null;
+        lock.readLock().lock();
+        try
+        {
+            Root root = (Root) storageManager.root();
+            jokes = root.getJokes();
+        } finally
+        {
+            lock.readLock().unlock();
+        }
+        return jokes;
+    }
+
+    public Integer addNewJoke(String joke)
+    {
+        lock.writeLock().lock();
+        Root root = (Root) storageManager.root();
+        try
+        {
+            root.getJokes().add(joke);
+            storageManager.storeRoot();
+        } finally
+        {
+            lock.writeLock().unlock();
+        }
+        return root.getJokes().size();
+    }
+
+    public void addJokes(List<String> jokes)
+    {
+        lock.writeLock().lock();
+        Root root = (Root) storageManager.root();
+        try
+        {
+            root.getJokes().addAll(jokes);
+        } finally
+        {
+            lock.writeLock().unlock();
+        }
+        storageManager.store(root.getJokes());
+    }
+}

examples/spring-boot3-simple/src/main/resources/application.properties

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+org.eclipse.store.auto-start=true
+org.eclipse.store.root=org.microstream.spring.boot.example.model.Root
+org.eclipse.store.storage-directory=jokes_storage