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仅一个hsqldb.jar文件就包含了数据库引擎。数据库驱动。还有其它用户界面操作等内容。在Java开源世界里。hsql是极为受欢迎的(就Java本身来说),JBoss应用程序server默认也提供了这个数据库引擎。因为其体积小的原因。又是纯Java设计。又支持SQL99。SQL2003大部分的标准。所以也是作为商业应用程序展示的一种选择。
结合Hibernate数据库无关的特性。很适合在项目开发的时候使用。
单元測试的时候,启动HSQLDB的file模式,数据不存盘,能够保证測试原子性。
package com.demandforce.dao; import java.util.Collection; import org.junit.Test; import org.junit.runner.RunWith; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.beans.factory.annotation.Qualifier; import org.springframework.test.context.ContextConfiguration; import org.springframework.test.context.junit4.SpringJUnit4ClassRunner; import org.springframework.util.Assert; import com.demandforce.model.TextMessageTemplate; @RunWith(SpringJUnit4ClassRunner.class) @ContextConfiguration(locations = {"classpath:context/hyperSqlContext.xml"}) public class TextMessageTemplateRetrievalTest { @Autowired private TextMessageTemplateDao textMessageTemplateDao; @Test public void testSelectByBusinessCategory() { Collection<TextMessageTemplate> tmts = textMessageTemplateDao.selectByBusinessCategory( 203, 0); Assert.notNull(tmts); Assert.isTrue(tmts.size() == 2); } }
<?xml version="1.0" encoding="UTF-8"?> <beans xmlns="http://www.springframework.org/schema/beans" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:context="http://www.springframework.org/schema/context" xmlns:jdbc="http://www.springframework.org/schema/jdbc" xsi:schemaLocation=" http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.0.xsd http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-3.0.xsd http://www.springframework.org/schema/jdbc http://www.springframework.org/schema/jdbc/spring-jdbc-3.0.xsd"> <jdbc:embedded-database id="dataSource" type="HSQL"> <jdbc:script location="classpath:sql/setup.sql" /> <jdbc:script location="classpath:sql/schema-create.sql" /> <jdbc:script location="classpath:sql/data-insert.sql" /> </jdbc:embedded-database> <bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager"> <property name="dataSource" ref="dataSource" /> </bean> <bean name="baseDao" abstract="true"> <property name="dataSource" ref="dataSource" /> </bean> <bean name="textMessageTemplateDao" class="com.demandforce.dao.TextMessageTemplateDaoImpl" parent="baseDao" /> </beans>
-- -- MySQL compatibility mode for Hyper SQL SET DATABASE SQL SYNTAX MYS TRUE;
DROP TABLE IF EXISTS TextMessageTemplate; CREATE TABLE TextMessageTemplate ( ID INT NOT NULL AUTO_INCREMENT, BusinessID INT NOT NULL, Type INT NOT NULL, Template varchar(1000), CreatedDate datetime DEFAULT NULL, LastModifiedDate timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP, CreatedUserId INT DEFAULT 0, LastModifiedUserId INT DEFAULT 0, Delivery INT DEFAULT 0, DeliveryWindow INT DEFAULT 1, BusinessCalendar INT NOT NULL DEFAULT 0, DeliveryTime datetime DEFAULT NULL, CardCount INT DEFAULT 0, Segment INT DEFAULT 0, FrontImage varchar(255) DEFAULT NULL, IncludeItems INT DEFAULT 1, IncludeReview INT DEFAULT 1, IncludeCoupon INT DEFAULT 1, services varchar(5000) DEFAULT NULL, Industry INT DEFAULT NULL, PRIMARY KEY (ID) );
INSERT INTO TextMessageTemplate (BusinessID, Type, Template, Industry) VALUES ('0', '203', 'Template1', null); INSERT INTO TextMessageTemplate (BusinessID, Type, Template, Industry) VALUES ('0', '204', 'Template2', null);
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原文地址:http://www.cnblogs.com/gcczhongduan/p/4851172.html