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Hibernatetools-gradle-plugins

Purpose

This plugin intend to ease hibernatetools through gradle. It offer three tasks:

  • hibernate-config: to generate hibernate config files
  • hbm2java: to generate java classes
  • hbm2dao: to generate DAO classes

Usage

Inside your build.gradle file add this:

Build script snippet

For Gradle 2.1 and after:

plugins {
      id "org.hibernate.gradle.tools" version "1.2.4"
    }

For older Gradle release:

buildscript {
  repositories {
    maven {
      url "https://plugins.gradle.org/m2/"
    }
  }
  dependencies {
    classpath "gradle.plugin.org.hibernate.gradle.tools:hibernatetools-gradle-plugin:1.2.4"
  }
}

apply plugin: "org.hibernate.gradle.tools"

Configure the database

Now you have only to configure the database, by using database section inside build.gradle file. Example:

database{
    basePackage = "com.project.database.model"
    url         = "jdbc:mysql://myDB.domain.fr"
}

This plugin allow to specify multiple catalog using:

import org.hibernate.gradle.tools.*

database{
    catalog = [ "catalog1": new Schema("schemaY", [".*"])), "catalog2": new Schema("schemaX", [".*"]) ]
    basePackage = "org.foo.bar"
}

This plugin allow to specify multiple schema using:

database{
    catalog = [ "catalog1": new Schema("schemaX", ["tableY"]), "catalog2": new Schema("schemaY", [".*"]) ]
    basePackage = "org.foo.bar"
}

This plugin allow to specify multiple tables using:

database{
    catalog = [ "catalog1": new Schema("schemaX", ["tableY","tableZ"]), "catalog2": new Schema("schemaY", [".*"]) ]
    basePackage = "org.foo.bar"
}

The symbol '.*' means any characters repeated 0 on n times. In given example class will be mapped from foo and bar tables and also any table where name start with other

You want to provides your reveng and config xml files :

database{
    configXml   = "/tmp/hibernate.cfg.xml"    // <<---- path to config file
    revEngXml   = "/tmp/hibernate.reveng.xml" // <<---- path to reveng file
}

by default database section are defined as:

class Database {
    def catalog         = [".*":new Schema(".*", ".*")] // Schema parameter are: schema pattern name, table pattern name
    String  user        = ""
    String  password    = ""
    String  url         = "jdbc:mysql://127.0.0.1"
    Integer port        = 3306
    String  driver      = "com.mysql.jdbc.Driver"
    String  dialect     = "org.hibernate.dialect.MySQLDialect"
    String  basePackage = "com.project.database.model"
}

dialect and driver to use are located on hibernate

Reverse engineering

Once the plugin is declared and database connection defined to get java classes you need only to run this command:

$ gradle hbm2dao

This plugin provides three gradle target:

  • hbm2java
  • hbm2dao
  • hibernate-config

enjoy