diff --git a/persistence-modules/pom.xml b/persistence-modules/pom.xml index ec7f0bcec2..78da896861 100644 --- a/persistence-modules/pom.xml +++ b/persistence-modules/pom.xml @@ -61,6 +61,7 @@ spring-data-jpa-2 spring-data-jpa-3 spring-data-jpa-4 + spring-data-jpa-5 spring-data-keyvalue spring-data-mongodb spring-data-neo4j diff --git a/persistence-modules/spring-data-jpa-5/README.md b/persistence-modules/spring-data-jpa-5/README.md index dd4ac22e4a..e8f83654df 100644 --- a/persistence-modules/spring-data-jpa-5/README.md +++ b/persistence-modules/spring-data-jpa-5/README.md @@ -1,4 +1,5 @@ ### Relevant Articles: + - [Spring JPA @Embedded and @EmbeddedId](TBD) ### Eclipse Config @@ -9,3 +10,4 @@ This can be ignored: - Project -> Properties -> Java Persistance -> JPA -> Error/Warnings -> Select Ignore on "No persistence xml file found in project" Or: - Eclipse -> Preferences - Validation - disable the "Build" execution of the JPA Validator + diff --git a/persistence-modules/spring-data-jpa-5/pom.xml b/persistence-modules/spring-data-jpa-5/pom.xml index 7f2c724f98..3053384559 100644 --- a/persistence-modules/spring-data-jpa-5/pom.xml +++ b/persistence-modules/spring-data-jpa-5/pom.xml @@ -33,5 +33,5 @@ h2 - + diff --git a/persistence-modules/spring-data-jpa-5/src/main/java/com/baeldung/schemageneration/AccountApplication.java b/persistence-modules/spring-data-jpa-5/src/main/java/com/baeldung/schemageneration/AccountApplication.java new file mode 100644 index 0000000000..547992a6c1 --- /dev/null +++ b/persistence-modules/spring-data-jpa-5/src/main/java/com/baeldung/schemageneration/AccountApplication.java @@ -0,0 +1,12 @@ +package com.baeldung.schemageneration; + +import org.springframework.boot.SpringApplication; +import org.springframework.boot.autoconfigure.SpringBootApplication; + +@SpringBootApplication +public class AccountApplication { + + public static void main(String[] args) { + SpringApplication.run(AccountApplication.class, args); + } +} diff --git a/persistence-modules/spring-data-jpa-5/src/main/java/com/baeldung/schemageneration/HibernateUtil.java b/persistence-modules/spring-data-jpa-5/src/main/java/com/baeldung/schemageneration/HibernateUtil.java new file mode 100644 index 0000000000..7d69d65705 --- /dev/null +++ b/persistence-modules/spring-data-jpa-5/src/main/java/com/baeldung/schemageneration/HibernateUtil.java @@ -0,0 +1,39 @@ +package com.baeldung.schemageneration; + +import com.baeldung.schemageneration.model.Account; +import com.baeldung.schemageneration.model.AccountSetting; +import org.hibernate.boot.Metadata; +import org.hibernate.boot.MetadataSources; +import org.hibernate.boot.registry.StandardServiceRegistry; +import org.hibernate.boot.registry.StandardServiceRegistryBuilder; +import org.hibernate.cfg.Environment; +import org.hibernate.tool.hbm2ddl.SchemaExport; +import org.hibernate.tool.schema.TargetType; + +import java.util.EnumSet; +import java.util.HashMap; +import java.util.Map; + +public class HibernateUtil { + + /** + * Generates database create commands for the specified entities using Hibernate native API, SchemaExport. + * Creation commands are exported into the create.sql file. + */ + public static void generateSchema() { + Map settings = new HashMap<>(); + settings.put(Environment.URL, "jdbc:h2:mem:schema"); + + StandardServiceRegistry serviceRegistry = new StandardServiceRegistryBuilder().applySettings(settings).build(); + + MetadataSources metadataSources = new MetadataSources(serviceRegistry); + metadataSources.addAnnotatedClass(Account.class); + metadataSources.addAnnotatedClass(AccountSetting.class); + Metadata metadata = metadataSources.buildMetadata(); + + SchemaExport schemaExport = new SchemaExport(); + schemaExport.setFormat(true); + schemaExport.setOutputFile("create.sql"); + schemaExport.createOnly(EnumSet.of(TargetType.SCRIPT), metadata); + } +} diff --git a/persistence-modules/spring-data-jpa-5/src/main/java/com/baeldung/schemageneration/model/Account.java b/persistence-modules/spring-data-jpa-5/src/main/java/com/baeldung/schemageneration/model/Account.java new file mode 100644 index 0000000000..785e275e26 --- /dev/null +++ b/persistence-modules/spring-data-jpa-5/src/main/java/com/baeldung/schemageneration/model/Account.java @@ -0,0 +1,74 @@ +package com.baeldung.schemageneration.model; + +import javax.persistence.CascadeType; +import javax.persistence.Column; +import javax.persistence.Entity; +import javax.persistence.GeneratedValue; +import javax.persistence.Id; +import javax.persistence.OneToMany; +import javax.persistence.Table; +import java.util.ArrayList; +import java.util.List; + +@Entity +@Table(name = "accounts") +public class Account { + + @Id + @GeneratedValue + private Long id; + + @Column(nullable = false, length = 100) + private String name; + + @Column(name = "email_address") + private String emailAddress; + + @OneToMany(mappedBy = "account", cascade = CascadeType.ALL) + private List accountSettings = new ArrayList<>(); + + public Account() { + } + + public Account(String name, String emailAddress) { + this.name = name; + this.emailAddress = emailAddress; + } + + 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 String getEmailAddress() { + return emailAddress; + } + + public void setEmailAddress(String emailAddress) { + this.emailAddress = emailAddress; + } + + public List getAccountSettings() { + return accountSettings; + } + + public void setAccountSettings(List accountSettings) { + this.accountSettings = accountSettings; + } + + public void addAccountSetting(AccountSetting setting) { + this.accountSettings.add(setting); + setting.setAccount(this); + } +} diff --git a/persistence-modules/spring-data-jpa-5/src/main/java/com/baeldung/schemageneration/model/AccountSetting.java b/persistence-modules/spring-data-jpa-5/src/main/java/com/baeldung/schemageneration/model/AccountSetting.java new file mode 100644 index 0000000000..61e43894a8 --- /dev/null +++ b/persistence-modules/spring-data-jpa-5/src/main/java/com/baeldung/schemageneration/model/AccountSetting.java @@ -0,0 +1,68 @@ +package com.baeldung.schemageneration.model; + +import javax.persistence.Column; +import javax.persistence.Entity; +import javax.persistence.GeneratedValue; +import javax.persistence.Id; +import javax.persistence.JoinColumn; +import javax.persistence.ManyToOne; +import javax.persistence.Table; + +@Entity +@Table(name = "account_settings") +public class AccountSetting { + + @Id + @GeneratedValue + private Long id; + + @Column(name = "name", nullable = false) + private String settingName; + + @Column(name = "value", nullable = false) + private String settingValue; + + @ManyToOne() + @JoinColumn(name ="account_id", nullable = false) + private Account account; + + public AccountSetting() { + } + + public AccountSetting(String settingName, String settingValue) { + this.settingName = settingName; + this.settingValue = settingValue; + } + + public Long getId() { + return id; + } + + public void setId(Long id) { + this.id = id; + } + + public String getSettingName() { + return settingName; + } + + public void setSettingName(String settingName) { + this.settingName = settingName; + } + + public String getSettingValue() { + return settingValue; + } + + public void setSettingValue(String settingValue) { + this.settingValue = settingValue; + } + + public Account getAccount() { + return account; + } + + public void setAccount(Account account) { + this.account = account; + } +} diff --git a/persistence-modules/spring-data-jpa-5/src/main/java/com/baeldung/schemageneration/repository/AccountRepository.java b/persistence-modules/spring-data-jpa-5/src/main/java/com/baeldung/schemageneration/repository/AccountRepository.java new file mode 100644 index 0000000000..dc57ffe6d3 --- /dev/null +++ b/persistence-modules/spring-data-jpa-5/src/main/java/com/baeldung/schemageneration/repository/AccountRepository.java @@ -0,0 +1,8 @@ +package com.baeldung.schemageneration.repository; + +import com.baeldung.schemageneration.model.Account; +import org.springframework.data.repository.CrudRepository; + +public interface AccountRepository extends CrudRepository { + Account findByName(String name); +} diff --git a/persistence-modules/spring-data-jpa-5/src/main/java/com/baeldung/schemageneration/repository/AccountSettingRepository.java b/persistence-modules/spring-data-jpa-5/src/main/java/com/baeldung/schemageneration/repository/AccountSettingRepository.java new file mode 100644 index 0000000000..c2b8ff7398 --- /dev/null +++ b/persistence-modules/spring-data-jpa-5/src/main/java/com/baeldung/schemageneration/repository/AccountSettingRepository.java @@ -0,0 +1,8 @@ +package com.baeldung.schemageneration.repository; + +import com.baeldung.schemageneration.model.AccountSetting; +import org.springframework.data.repository.CrudRepository; + +public interface AccountSettingRepository extends CrudRepository { + AccountSetting findByAccountId(Long accountId); +} diff --git a/persistence-modules/spring-data-jpa-5/src/main/resources/application.properties b/persistence-modules/spring-data-jpa-5/src/main/resources/application.properties index dfc5e56e33..f55ad438ff 100644 --- a/persistence-modules/spring-data-jpa-5/src/main/resources/application.properties +++ b/persistence-modules/spring-data-jpa-5/src/main/resources/application.properties @@ -1,2 +1,13 @@ + +spring.datasource.url=jdbc:h2:mem:baeldung + +# JPA-Schema-Generation +# Use below configuration to generate database schema create commands based on the entity models +# and export them into the create.sql file +#spring.jpa.properties.javax.persistence.schema-generation.scripts.action=create +#spring.jpa.properties.javax.persistence.schema-generation.scripts.create-target=create.sql +#spring.jpa.properties.javax.persistence.schema-generation.scripts.create-source=metadata +#spring.jpa.properties.hibernate.format_sql=true + spring.jpa.show-sql=true diff --git a/persistence-modules/spring-data-jpa-5/src/test/java/com/baeldung/schemageneration/AccountRepositoryIntegrationTest.java b/persistence-modules/spring-data-jpa-5/src/test/java/com/baeldung/schemageneration/AccountRepositoryIntegrationTest.java new file mode 100644 index 0000000000..86a7671fe4 --- /dev/null +++ b/persistence-modules/spring-data-jpa-5/src/test/java/com/baeldung/schemageneration/AccountRepositoryIntegrationTest.java @@ -0,0 +1,72 @@ +package com.baeldung.schemageneration; + +import com.baeldung.schemageneration.model.Account; +import com.baeldung.schemageneration.model.AccountSetting; +import com.baeldung.schemageneration.repository.AccountRepository; +import com.baeldung.schemageneration.repository.AccountSettingRepository; +import org.junit.After; +import org.junit.Test; +import org.junit.runner.RunWith; +import org.springframework.beans.factory.annotation.Autowired; +import org.springframework.boot.test.context.SpringBootTest; +import org.springframework.test.context.junit4.SpringRunner; + +import static org.junit.Assert.assertEquals; +import static org.junit.Assert.assertNotNull; + +@RunWith(SpringRunner.class) +@SpringBootTest(classes = AccountApplication.class) +public class AccountRepositoryIntegrationTest { + + private static final String USER_NAME = "Eduard"; + private static final String USER_EMAIL_ADDRESS = "eduard@gmx.com"; + private static final String ACCOUNT_SETTING_NAME = "Timezone"; + private static final String ACCOUNT_SETTING_VALUE = "UTC+02"; + + @Autowired + private AccountRepository accountRepository; + + @Autowired + private AccountSettingRepository accountSettingRepository; + + @After + public void tearDown() { + accountRepository.deleteAll(); + } + + @Test + public void givenNewAccount_whenSave_thenSuccess() { + Account account = new Account(USER_NAME, USER_EMAIL_ADDRESS); + accountRepository.save(account); + + assertEquals(1, accountRepository.count()); + } + + @Test + public void givenSavedAccount_whenFindByName_thenFound() { + Account account = new Account(USER_NAME, USER_EMAIL_ADDRESS); + accountRepository.save(account); + + Account accountFound = accountRepository.findByName(USER_NAME); + + assertNotNull(accountFound); + assertEquals(USER_NAME, accountFound.getName()); + assertEquals(USER_EMAIL_ADDRESS, accountFound.getEmailAddress()); + } + + @Test + public void givenSavedAccount_whenAccountSettingIsAdded_thenPersisted() { + Account account = new Account(USER_NAME, USER_EMAIL_ADDRESS); + account.addAccountSetting(new AccountSetting(ACCOUNT_SETTING_NAME, ACCOUNT_SETTING_VALUE)); + accountRepository.save(account); + + Account accountFound = accountRepository.findByName(USER_NAME); + assertNotNull(accountFound); + AccountSetting accountSetting = accountSettingRepository.findByAccountId(accountFound.getId()); + + assertNotNull(accountSetting); + assertEquals(ACCOUNT_SETTING_NAME, accountSetting.getSettingName()); + assertEquals(ACCOUNT_SETTING_VALUE, accountSetting.getSettingValue()); + } + +} diff --git a/persistence-modules/spring-data-jpa-5/src/test/resources/application-test.properties b/persistence-modules/spring-data-jpa-5/src/test/resources/application-test.properties index 207de2e8ec..e3d39fe1e2 100644 --- a/persistence-modules/spring-data-jpa-5/src/test/resources/application-test.properties +++ b/persistence-modules/spring-data-jpa-5/src/test/resources/application-test.properties @@ -1 +1,3 @@ spring.jpa.hibernate.ddl-auto=update +spring.datasource.url=jdbc:h2:mem:baeldung +