228 lines
7.1 KiB
Plaintext
228 lines
7.1 KiB
Plaintext
Hibernate ORM is a library providing Object/Relational Mapping (ORM) support
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to applications, libraries, and frameworks.
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It also provides an implementation of the JPA specification, which is the standard Java specification for ORM.
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This is the repository of its source code; see https://hibernate.org/orm/[Hibernate.org] for additional information.
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image:https://ci.hibernate.org/job/hibernate-orm-main-h2-main/badge/icon[Build Status,link=https://ci.hibernate.org/job/hibernate-orm-main-h2-main/]
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image:https://img.shields.io/lgtm/grade/java/g/hibernate/hibernate-orm.svg?logo=lgtm&logoWidth=18[Language grade: Java,link=https://lgtm.com/projects/g/hibernate/hibernate-orm/context:java]
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image:https://img.shields.io/badge/Revved%20up%20by-Gradle%20Enterprise-06A0CE?logo=Gradle&labelColor=02303A[link=https://ge.hibernate.org/scans]
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== Continuous Integration
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Hibernate uses both https://jenkins-ci.org[Jenkins] and https://github.com/features/actions[GitHub Actions]
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for its CI needs. See
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* https://ci.hibernate.org/view/ORM/[Jenkins Jobs]
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* https://github.com/hibernate/hibernate-orm/actions[GitHub Actions Jobs]
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== Building from sources
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The build requires at least Java 11 JDK.
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Hibernate uses https://gradle.org[Gradle] as its build tool. See the _Gradle Primer_ section below if you are new to
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Gradle.
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Contributors should read the link:CONTRIBUTING.md[Contributing Guide].
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See the guides for setting up https://hibernate.org/community/contribute/intellij-idea/[IntelliJ] or
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https://hibernate.org/community/contribute/eclipse-ide/[Eclipse] as your development environment.
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== Gradle Primer
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The Gradle build tool has amazing documentation. 2 in particular that are indispensable:
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* https://docs.gradle.org/current/userguide/userguide_single.html[Gradle User Guide] is a typical user guide in that
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it follows a topical approach to describing all of the capabilities of Gradle.
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* https://docs.gradle.org/current/dsl/index.html[Gradle DSL Guide] is unique and excellent in quickly
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getting up to speed on certain aspects of Gradle.
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We will cover the basics developers and contributors new to Gradle need to know to get productive quickly.
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NOTE: The project defines a https://docs.gradle.org/current/userguide/gradle_wrapper.html[Gradle Wrapper].
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The rest of the section will assume execution through the wrapper.
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=== Executing Tasks
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Gradle uses the concept of build tasks (equivalent to Ant targets or Maven phases/goals). You can get a list of
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available tasks via
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----
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gradle tasks
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----
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To execute a task across all modules, simply perform that task from the root directory. Gradle will visit each
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sub-project and execute that task if the sub-project defines it. To execute a task in a specific module you can
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either:
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. `cd` into that module directory and execute the task
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. name the "task path". For example, to run the tests for the _hibernate-core_ module from the root directory
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you could say `gradle hibernate-core:test`
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=== Common tasks
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The common tasks you might use in building Hibernate include:
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* _build_ - Assembles (jars) and tests this project
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* _compile_ - Performs all compilation tasks including staging resources from both main and test
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* _jar_ - Generates a jar archive with all the compiled classes
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* _test_ - Runs the tests
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* _publishToMavenLocal_ - Installs the project jar to your local maven cache (aka ~/.m2/repository). Note that Gradle
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never uses this, but it can be useful for testing your build with other local Maven-based builds.
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* _clean_ - Cleans the build directory
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== Testing and databases
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Testing against a specific database can be achieved in 2 different ways:
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=== Using the "Matrix Testing Plugin" for Gradle.
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Coming later…
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=== Using "profiles"
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The Hibernate build defines several database testing "profiles" in `databases.gradle`. These
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profiles can be activated by name using the `db` build property which can be passed either as
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a JVM system prop (`-D`) or as a Gradle project property (`-P`). Examples below use the Gradle
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project property approach.
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----
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gradle clean build -Pdb=pgsql
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----
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To run a test from your IDE, you need to ensure the property expansions happen.
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Use the following command:
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----
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gradle clean compile -Pdb=pgsql
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----
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__NOTE: If you are running tests against a JDBC driver that is not available via Maven central be sure to
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add these drivers to your local Maven repo cache (~/.m2/repository) or (better) add it to a personal Maven repo server__
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=== Running database-specific tests from the IDE using "profiles"
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You can run any test on any particular database that is configured in a `databases.gradle` profile.
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All you have to do is run the following command:
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----
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./gradlew setDataBase -Pdb=pgsql
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----
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or you can use the shortcut version:
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----
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./gradlew sDB -Pdb=pgsql
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----
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You can do this from the module which you are interested in testing or from the `hibernate-orm` root folder.
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Afterward, just pick any test from the IDE and run it as usual. Hibernate will pick the database configuration from the `hibernate.properties`
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file that was set up by the `setDataBase` Gradle task.
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=== Starting test databases locally as docker containers
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You don't have to install all databases locally to be able to test against them in case you have docker available.
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The script `docker_db.sh` allows you to start a pre-configured database which can be used for testing.
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All you have to do is run the following command:
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----
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./docker_db.sh postgresql
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----
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omitting the argument will print a list of possible options.
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When the database is properly started, you can run tests with special profiles that are suffixed with `_ci`
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e.g. `pgsql_ci` for PostgreSQL. By using the system property `dbHost` you can configure the IP address of your docker host.
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The command for running tests could look like the following:
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----
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./gradlew test -Pdb=pgsql_ci "-DdbHost=192.168.99.100"
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----
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The following table illustrates a list of commands for various databases that can be tested locally.
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|===
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|Database |`docker_db.sh` |Gradle command
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|H2
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|`./gradlew test -Pdb=h2`
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|HSQLDB
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|`./gradlew test -Pdb=hsqldb`
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|Apache Derby
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|`./gradlew test -Pdb=derby`
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|MySQL 5.7
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|`./docker_db.sh mysql`
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|`./gradlew test -Pdb=mysql_ci`
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|MySQL 8.0
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|`./docker_db.sh mysql_8_0`
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|`./gradlew test -Pdb=mysql_ci`
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|MariaDB
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|`./docker_db.sh mariadb`
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|`./gradlew test -Pdb=mariadb_ci`
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|PostgreSQL 10
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|`./docker_db.sh postgresql`
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|`./gradlew test -Pdb=pgsql_ci`
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|PostgreSQL 14
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|`./docker_db.sh postgresql_14`
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|`./gradlew test -Pdb=pgsql_ci`
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|EnterpriseDB
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|`./docker_db.sh edb`
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|`./gradlew test -Pdb=edb_ci`
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|Oracle XE
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|`./docker_db.sh oracle`
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|`./gradlew test -Pdb=oracle_ci`
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|Oracle 11g
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|`./docker_db.sh oracle_11`
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|`./gradlew test -Pdb=oracle_ci`
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|Oracle XE 18
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|`./docker_db.sh oracle_18`
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|`./gradlew test -Pdb=oracle_ci`
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|Oracle XE 21
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|`./docker_db.sh oracle_21`
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|`./gradlew test -Pdb=oracle_ci`
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|Oracle EE
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|`./docker_db.sh oracle_ee`
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|`./gradlew test -Pdb=oracle_docker`
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|DB2
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|`./docker_db.sh db2`
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|`./gradlew test -Pdb=db2_ci`
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|SQL Server
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|`./docker_db.sh mssql`
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|`./gradlew test -Pdb=mssql_ci`
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|Sybase ASE
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|`./docker_db.sh sybase`
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|`./gradlew test -Pdb=sybase_ci`
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|SAP HANA
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|`./docker_db.sh hana`
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|`./gradlew test -Pdb=hana_ci`
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|CockroachDB
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|`./docker_db.sh cockroachdb`
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|`./gradlew test -Pdb=cockroachdb`
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|===
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