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redkale/src/META-INF/persistence-template.xml
Redkale e62f7ea63d
2017-08-06 12:25:56 +08:00

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<?xml version="1.0" encoding="UTF-8"?>
<!-- 其配置算是标准的JPA配置文件的缩略版 -->
<persistence>
<!-- 系统基本库 -->
<persistence-unit name="demouser">
<properties>
<!--
DataSource的实现类没有设置默认为org.redkale.source.DataJdbcSource的实现使用常规基于JDBC的数据库驱动一般无需设置
-->
<property name="javax.persistence.datasource" value="org.redkale.source.DataJdbcSource"/>
<!--
是否开启缓存(标记为@Cacheable的Entity类),值目前只支持两种: ALL: 所有开启缓存。 NONE: 关闭所有缓存
-->
<property name="javax.persistence.cachemode" value="ALL"/>
<property name="javax.persistence.jdbc.url" value="jdbc:mysql://127.0.0.1:3306/dbuser?characterEncoding=utf8"/>
<!--
javax.persistence.jdbc.driver在JPA的值是JDBC驱动Redkale有所不同值应该是javax.sql.DataSource的子类。
为了兼容用户习惯Redkale内置常见JDBC驱动到javax.sql.DataSource的映射关系
org.mariadb.jdbc.Driver —————— org.mariadb.jdbc.MySQLDataSource
org.postgresql.Driver —————— org.postgresql.ds.PGConnectionPoolDataSource
com.mysql.jdbc.Driver —————— com.mysql.jdbc.jdbc2.optional.MysqlConnectionPoolDataSource
oracle.jdbc.driver.OracleDriver —————— oracle.jdbc.pool.OracleConnectionPoolDataSource
com.microsoft.sqlserver.jdbc.SQLServerDriver —————— com.microsoft.sqlserver.jdbc.SQLServerConnectionPoolDataSource
因此 com.mysql.jdbc.Driver 会被自动转换成 com.mysql.jdbc.jdbc2.optional.MysqlConnectionPoolDataSource
并且如果JDBC驱动是以上几个版本javax.persistence.jdbc.driver属性都可以省略Redkale会根据javax.persistence.jdbc.url的值来识别驱动
-->
<property name="javax.persistence.jdbc.driver" value="com.mysql.jdbc.Driver"/>
<property name="javax.persistence.jdbc.user" value="root"/>
<property name="javax.persistence.jdbc.password" value="123456"/>
<!-- 最大连接数默认值CPU数*16 -->
<property name="javax.persistence.connections.limit" value="32"/>
<!-- 包含的SQL模板相当于反向LIKE不同的JDBC驱动的SQL语句不一样Redkale内置了MySQL的语句 -->
<property name="javax.persistence.contain.sqltemplate" value="LOCATE(${keystr}, ${column}) > 0"/>
<property name="javax.persistence.notcontain.sqltemplate" value="LOCATE(${keystr}, ${column}) = 0"/>
<!-- 复制表结构的SQL模板Redkale内置了MySQL的语句 -->
<property name="javax.persistence.tablenotexist.sqlstates" value="42000;42S02"/>
<property name="javax.persistence.tablecopy.sqltemplate" value="CREATE TABLE ${newtable} LIKE ${oldtable}"/>
</properties>
</persistence-unit>
<!-- IM消息库 -->
<persistence-unit name="demoim">
<properties>
<!-- jdbc:mysql://127.0.0.1:3306/dbim?autoReconnect=true&amp;autoReconnectForPools=true&amp;characterEncoding=utf8 -->
<property name="javax.persistence.jdbc.url" value="jdbc:mysql://127.0.0.1:3306/dbim?characterEncoding=utf8"/>
<property name="javax.persistence.jdbc.driver" value="com.mysql.jdbc.Driver"/>
<property name="javax.persistence.jdbc.user" value="root"/>
<property name="javax.persistence.jdbc.password" value="123456"/>
</properties>
</persistence-unit>
</persistence>