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service-sdk/18.0.0/add-persistence-to-service/README.md

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+This project contains code samples documented in the following section in [Backbase Community](https://community.backbase.com/documentation/ServiceSDK/latest/index):
+
+* [Add persistence to your capability](https://community.backbase.com/documentation/ServiceSDK/latest/add_persistence_to_core_service)

service-sdk/18.0.0/add-persistence-to-service/example-persistence-service/README.md

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+# example-service
+
+_Fill out this file with some information about your Service._
+
+## Dependencies
+
+Requires a running Eureka registry, by default on port 8080.
+
+## Configuration
+
+Service configuration is under `src/main/resources/application.yaml`.
+
+## Running
+
+To run the service in development mode, use:
+- `mvn spring-boot:run`
+
+To run the service from the built binaries, use:
+- `java -jar target/example-persistence-service-1.0.0-SNAPSHOT.jar`
+
+## Authorization
+
+Requests to this service are authorized with a Backbase Internal JWT, therefore you must access this service via the Backbase Edge after authenticating with identity service.
+
+For local development, an internal JWT can be created from http://jwt.io, entering ```JWTSecretKeyDontUseInProduction!``` as the secret in the signature to generate a valid signed JWT.

service-sdk/18.0.0/add-persistence-to-service/example-persistence-service/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>
+
+    <!-- The simplest way to build a service with service-sdk-starter-core 
+        is to use it as a parent in your project’s POM file, and alternative If you 
+        don’t want to use service-sdk-starter-core as your project’s parent, you 
+        can declare it as a dependency instead, see pom-as-dependency.xml -->
+    <parent>
+        <artifactId>service-sdk-starter-core</artifactId>
+        <groupId>com.backbase.buildingblocks</groupId>
+        <version>16.0.0</version>
+        <relativePath />
+    </parent>
+
+    <groupId>com.backbase.example</groupId>
+    <artifactId>example-persistence-service</artifactId>
+    <version>1.0.0-SNAPSHOT</version>
+    <name>Backbase :: Digital Banking Services :: example-persistence-service</name>
+
+    <properties>
+        <java.version>17</java.version>
+    </properties>
+
+    <dependencies>
+        <!-- tag::persistence-dependencies[] -->
+        <!--Added for persistence -->
+        <dependency>
+            <groupId>com.backbase.buildingblocks</groupId>
+            <artifactId>persistence</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>com.backbase.buildingblocks</groupId>
+            <artifactId>service-sdk-starter-mapping</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-cache</artifactId>
+        </dependency>
+        <!-- Required for Local testing -->
+        <dependency>
+            <groupId>com.h2database</groupId>
+            <artifactId>h2</artifactId>
+            <version>2.1.214</version>
+            <scope>test</scope>
+        </dependency>
+        <!-- Required for MySql -->
+        <dependency>
+            <groupId>com.mysql</groupId>
+            <artifactId>mysql-connector-j</artifactId>
+            <scope>test</scope>
+        </dependency>
+        <!-- end::persistence-dependencies[] -->
+
+        <dependency>
+            <groupId>com.backbase.buildingblocks</groupId>
+            <artifactId>service-sdk-starter-test</artifactId>
+            <scope>test</scope>
+        </dependency>
+
+        <!-- Add dependencies for your services, e.g. BB specifications, integration clients -->
+
+        <!-- Uncomment the following dependencies if DBS inter-service communication is needed -->
+        <!--
+             <dependency>
+                <groupId>com.backbase.buildingblocks</groupId>
+                <artifactId>communication</artifactId>
+             </dependency>
+             <dependency>
+                <groupId>com.backbase.buildingblocks</groupId>
+                <artifactId>auth-security</artifactId>
+             </dependency>
+           -->
+    </dependencies>
+
+</project>

service-sdk/18.0.0/add-persistence-to-service/example-persistence-service/src/main/java/com/backbase/example/Application.java

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+package com.backbase.example;
+
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.domain.EntityScan;
+import org.springframework.boot.web.servlet.support.SpringBootServletInitializer;
+import org.springframework.cloud.client.discovery.EnableDiscoveryClient;
+import org.springframework.data.jpa.repository.config.EnableJpaRepositories;
+
+// tag::application-annotations[]
+@SpringBootApplication
+@EnableDiscoveryClient
+@EnableJpaRepositories
+@EntityScan
+public class Application extends SpringBootServletInitializer {
+// end::application-annotations[]
+    public static void main(final String[] args) {
+        SpringApplication.run(Application.class, args);
+    }
+
+}

service-sdk/18.0.0/add-persistence-to-service/example-persistence-service/src/main/java/com/backbase/example/Message.java

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+package com.backbase.example;
+
+import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
+import com.fasterxml.jackson.annotation.JsonInclude;
+import com.fasterxml.jackson.annotation.JsonProperty;
+import com.fasterxml.jackson.annotation.JsonPropertyOrder;
+
+import jakarta.annotation.Generated;
+import jakarta.validation.constraints.NotNull;
+import jakarta.validation.constraints.Size;
+
+@JsonInclude(JsonInclude.Include.NON_NULL)
+@Generated("org.jsonschema2pojo")
+@JsonPropertyOrder({
+        "message"
+})
+@JsonIgnoreProperties(ignoreUnknown = true)
+public class Message {
+
+    /**
+     *
+     * (Required)
+     *
+     */
+    @JsonProperty("id")
+    @NotNull
+    private String id;
+
+    /**
+     * Greetings message
+     */
+    @JsonProperty("message")
+    @Size(max = 255)
+    @NotNull
+    private String message;
+
+    public Message() {
+    }
+
+    public Message(String id, String message) {
+        this.id = id;
+        this.message = message;
+    }
+
+    public String getId() {
+        return id;
+    }
+
+    public void setId(String id) {
+        this.id = id;
+    }
+
+    public String getMessage() {
+        return message;
+    }
+
+    public void setMessage(String message) {
+        this.message = message;
+    }
+
+}

service-sdk/18.0.0/add-persistence-to-service/example-persistence-service/src/main/java/com/backbase/example/api/ExampleController.java

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+package com.backbase.example.api;
+
+import com.backbase.example.Message;
+import com.backbase.example.domain.Greeting;
+import com.backbase.example.mapper.GreetingsMapper;
+import com.backbase.example.service.GreetingsService;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.http.HttpStatus;
+import org.springframework.web.bind.annotation.*;
+
+import java.util.List;
+import java.util.UUID;
+
+@RestController
+public class ExampleController  {
+
+    @Autowired
+    private GreetingsService greetingsService;
+
+    @RequestMapping(method = RequestMethod.GET, value = "/message/{id}", produces = {
+            "application/json"
+    })
+    @ResponseStatus(HttpStatus.OK)
+    public Message getMessage(@PathVariable(name = "id") String id) {
+        Greeting greeting = greetingsService.getGreetingById(id);
+        return GreetingsMapper.INSTANCE.greetingToMessage(greeting);
+    }
+
+    @RequestMapping(method = RequestMethod.GET, value = "/messages", produces = {
+            "application/json"
+    })
+    @ResponseStatus(HttpStatus.OK)
+    public List<Message> getMessages() {
+        List<Greeting> greetings = greetingsService.getGreetings();
+        return GreetingsMapper.INSTANCE.greetingsToMessages(greetings);
+    }
+// tag::addMessage[]
+    @RequestMapping(method = RequestMethod.POST, value = "/message")
+    @ResponseStatus(HttpStatus.CREATED)
+    public String addMessage(@RequestBody Message message) {
+        Greeting greeting = GreetingsMapper.INSTANCE.messageToGreeting(message);
+        String id = UUID.randomUUID().toString();
+        greeting.setId(id);
+        greetingsService.addNewGreeting(greeting);
+        return id;
+    }
+// end::addMessage[]    
+}

service-sdk/18.0.0/add-persistence-to-service/example-persistence-service/src/main/java/com/backbase/example/domain/Greeting.java

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+package com.backbase.example.domain;
+
+import jakarta.persistence.*;
+
+@Entity
+@Table(name = "greetings")
+public class Greeting {
+
+    @Id
+    @Column(name = "id")
+    private String id;
+
+    @Column(name = "message")
+    private String message;
+
+    public String getId() {
+        return id;
+    }
+
+    public void setId(String id) {
+        this.id = id;
+    }
+
+    public String getMessage() {
+        return message;
+    }
+
+    public void setMessage(String message) {
+        this.message = message;
+    }
+}

service-sdk/18.0.0/add-persistence-to-service/example-persistence-service/src/main/java/com/backbase/example/mapper/GreetingsMapper.java

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+package com.backbase.example.mapper;
+
+import com.backbase.example.Message;
+import com.backbase.example.domain.Greeting;
+import org.mapstruct.Mapper;
+import org.mapstruct.ReportingPolicy;
+import org.mapstruct.factory.Mappers;
+
+import java.util.List;
+
+@Mapper(unmappedTargetPolicy= ReportingPolicy.ERROR)
+public interface GreetingsMapper {
+
+    GreetingsMapper INSTANCE = Mappers.getMapper( GreetingsMapper.class);
+
+    Message greetingToMessage(Greeting greeting);
+    List<Message> greetingsToMessages(List<Greeting> greetings);
+    Greeting messageToGreeting(Message message);
+}

service-sdk/18.0.0/add-persistence-to-service/example-persistence-service/src/main/java/com/backbase/example/repository/GreetingsRepository.java

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+package com.backbase.example.repository;
+
+import com.backbase.example.domain.Greeting;
+import org.springframework.data.repository.CrudRepository;
+import org.springframework.stereotype.Repository;
+
+import java.util.List;
+
+@Repository
+public interface GreetingsRepository extends CrudRepository<Greeting, String> {
+
+    @Override
+    List<Greeting> findAll();
+}

service-sdk/18.0.0/add-persistence-to-service/example-persistence-service/src/main/java/com/backbase/example/service/GreetingsService.java

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+package com.backbase.example.service;
+
+import com.backbase.example.domain.Greeting;
+
+import java.util.List;
+
+public interface GreetingsService {
+
+    List<Greeting> getGreetings();
+
+    Greeting getGreetingById(String id);
+
+    void addNewGreeting(Greeting greeting);
+}

service-sdk/18.0.0/add-persistence-to-service/example-persistence-service/src/main/java/com/backbase/example/service/GreetingsServiceImpl.java

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+package com.backbase.example.service;
+
+import com.backbase.example.domain.Greeting;
+import com.backbase.example.repository.GreetingsRepository;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.security.access.prepost.PreAuthorize;
+import org.springframework.stereotype.Service;
+
+import java.util.List;
+import org.springframework.transaction.annotation.Transactional;
+
+@Service
+@Transactional(readOnly=true)
+public class GreetingsServiceImpl implements GreetingsService {
+
+    private static final Logger log = LoggerFactory.getLogger(GreetingsServiceImpl.class);
+
+    @Autowired
+    private GreetingsRepository greetingsRepository;
+
+    @Override
+    @PreAuthorize("permitAll()")
+    public List<Greeting> getGreetings() {
+        log.debug("Service getGreetings is called {}", 1);
+        return greetingsRepository.findAll();
+    }
+
+    @Override
+    @PreAuthorize("permitAll()")
+    public Greeting getGreetingById(String id) {
+        log.debug("Service getGreetingById is called {}", id);
+        return greetingsRepository.findById(id).get();
+    }
+
+    @Override
+    @PreAuthorize("permitAll()")
+    @Transactional
+    public void addNewGreeting(Greeting greeting) {
+        log.debug("Service addNewGreeting is called {}", 1);
+        greetingsRepository.save(greeting);
+    }
+}