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Maven Plugin for DDL Generation
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Introduction

DDL Generator is a Maven plugin to generate DDL file from a Maven project using JPA/Hibernate. It has been created as a (very) partial replacement of the Maven Hibernate3 Plugin which is not working under Hibernate 4.

Features

  • Simple generation of DDL file as part of the Maven build processs.
  • Support for entities dispatched on multiple PU by embedding MultiConfigAwarePersistenceUnitManager.
  • Support for any Hibernate dialect or naming strategy.

Usage

Goals

The plugin has one goal: generate. It takes the following mandatory parameters:

  • ddlFile: destination ddl file.
  • dialect: full class name of the dialect to use for the generation.
  • persistenceUnitName: name of the persistence unit.

And the following optional parameters:

  • defaultSchema: the schema to use if an explicit schema naming is required in the DDL file.
  • namingStrategy: the class name of the naming strategy to use if the default one is not ok.
  • persistenceXmlLocations: a list of persistence unit definition files.
  • useNewGenerator: set to true is the new hibernate id generator should be used.

Configuration

The following configuration needs to be inserted in the pom.xml file:

{% highlight xml %} net.ggtools.maven ddlgenerator-maven-plugin 0.1 generate prepare-package ${project.build.directory}/sql/schema.sql org.hibernate.dialect.H2Dialect MultiPU classpath*:/META-INF/persistence.xml classpath*:/META-INF/persistence-*.xml true {% endhighlight %}

Source and Issue tracking

The source repository and issue tracking is hosted on GitHub.

History

  • 0.1: First public release.