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GradleからMybatisGeneratorを実行する

Last updated at Posted at 2017-07-01

GradleでMybatisGeneratorのタスクを作成する機会があったのでメモ

カスタムプラグインも適用したい方 -> GradleでMybatisGenerator実行した際にMybatisのカスタムプラグインを適用する

環境

  • JDK 1.8
  • IntelliJ IDEA Ultimate 2017.1.4
  • Gradle 3.4.1

MyBatis Generator Config 周り

MybatisGeneratorの自動生成の設定

generator_config.xml
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE generatorConfiguration PUBLIC "-//mybatis.org//DTD MyBatis Generator Configuration 1.0//EN" "http://mybatis.org/dtd/mybatis-generator-config_1_0.dtd">
<generatorConfiguration>
	<context id="schema" defaultModelType="hierarchical">
		<plugin type="org.mybatis.generator.plugins.SerializablePlugin"/>

		<commentGenerator>
			<property name="suppressDate" value="true"/>
		</commentGenerator>

		<jdbcConnection driverClass="${driverClass}" connectionURL="${connectionURL}${schema}?useSSL=false" userId="${userId}" password="${password}"/>

		<javaModelGenerator targetPackage="${modelPackage}" targetProject="${targetProject}"/>
		<javaClientGenerator targetPackage="${mapperPackage}" targetProject="${targetProject}" type="ANNOTATEDMAPPER"/>

		<table tableName="*"/>
	</context>
</generatorConfiguration>
generator_config.properties
# Project
target.project=project/src/main/java

# DB
db.driverClassName=com.mysql.jdbc.Driver
db.url=jdbc:mysql://localhost:3306/
db.username=root
db.password=

# Schema
db.schema=schema

# model 生成パッケージ
package.model=project.core.mybatis.generate.model
# mapper 生成パッケージ
package.mapper=project.core.mybatis.generate.mapper

上記のようにpropertiesファイルに値を定義しているとuser系、master系などのようにスキーマが増えた時でもgenerator_config.xmlにdbのurl、username,passwordなどを複数定義しなくて済む。
passwordを変更したときにあちこち修正するという手間を省ける

Gradle

build.gradleでMybatisGeneratorのタスク作成

build.gradle
~~~ その他の詳細設定省略 ~~~

project(':project-core') {
	ext {
		// Mybatis Generator
		mybatisMapperVersion = '3.4.0'
		mybatisGeneratorVersion = '1.3.5'

		// Mysql
		mysqlConnectorJavaVersion = '5.1.42'
	}

	configurations {
		mybatisGenerator
	}

	dependencies {		
		// Mybatis Generator 関連
		mybatisGenerator group: 'org.mybatis.generator', name: 'mybatis-generator-core', version: mybatisGeneratorVersion
		mybatisGenerator group: 'mysql', name: 'mysql-connector-java', version: mysqlConnectorJavaVersion
		mybatisGenerator group: 'tk.mybatis', name: 'mapper', version: mybatisMapperVersion
	}

	//**************************************
	// Mybatis Generator task
	//**************************************

	task mybatisGenerator {
		doLast {
			def properties = new Properties()
			file('src/main/resources/mybatis/generator_config.properties').withInputStream { inputStream ->
				properties.load(inputStream)
			}
			ant.properties['targetProject'] = properties.getProperty('target.project')
			ant.properties['driverClass'] = properties.getProperty('db.driverClassName')
			ant.properties['connectionURL'] = properties.getProperty('db.url')
			ant.properties['userId'] = properties.getProperty('db.username')
			ant.properties['password'] = properties.getProperty('db.password')
			ant.properties['schema'] = properties.getProperty('db.schema')
			ant.properties['modelPackage'] = properties.getProperty('package.model')
			ant.properties['mapperPackage'] = properties.getProperty('package.mapper')
			ant.taskdef(name: 'mbgenerator', classname: 'org.mybatis.generator.ant.GeneratorAntTask', classpath: configurations.mybatisGenerator.asPath)
			ant.mbgenerator(overwrite: true, configfile: 'project-core/src/main/resources/mybatis/generator_config.xml', verbose: true) {
				propertyset {
					propertyref(name: 'targetProject')
					propertyref(name: 'userId')
					propertyref(name: 'driverClass')
					propertyref(name: 'connectionURL')
					propertyref(name: 'password')
					propertyref(name: 'masterSchema')
					propertyref(name: 'userSchema')
					propertyref(name: 'modelPackage')
					propertyref(name: 'mapperPackage')
					propertyref(name: 'sqlMapperPackage')
				}
			}
		}
	}

	// mybatisGeneratorのタスクグループをmybatisにしておく
	// これをしておくことによってgradleのタスクがグループ分けされて見やすくなる
	mybatisGenerator.group = 'mybatis'
}

propertiesファイルの内容を取得して、generator_config.xmlの${}で変数定義してある部分に値を追加している

propertiesファイルを使用しない方法

generator_config.xmlには変数定義してある${}の部分を直接書いてしまえば大丈夫で、
mybatisGeneratorのタスクは以下のようになおせばできるのでないかと~~(試してない)~~2017/07/03 動作確認済み

build.gradle
task mybatisGenerator {
        doLast {
            ant.taskdef(name: 'mbgenerator', classname: 'org.mybatis.generator.ant.GeneratorAntTask', classpath: configurations.mybatisGenerator.asPath)
            ant.mbgenerator(overwrite: true, configfile: 'project-core/src/main/resources/mybatis/generator_config.xml', verbose: true)
        }
    }

参考

GradleでMyBatis Generatorを使う
在 Gradle 中使用 MyBatis Generator

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