Я использую следующую конфигурацию для подключения к моим базам данных (один mysql, один оракул).Мне интересно, есть ли способ настроить перехватчик пружины, чтобы позволить мне проверять доступ к базе данных и выполнение запросов?Спасибо за ваш вклад.
<bean class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer">
<property name="ignoreUnresolvablePlaceholders" value="true"/>
</bean>
<bean class="org.springframework.web.context.support.ServletContextPropertyPlaceholderConfigurer">
<property name="systemPropertiesModeName" value="SYSTEM_PROPERTIES_MODE_OVERRIDE"/>
<property name="searchContextAttributes" value="true"/>
<property name="contextOverride" value="true"/>
<property name="ignoreResourceNotFound" value="true"/>
<property name="locations">
<list>
<value>classpath:database.properties</value>
<value>${config}</value>
</list>
</property>
</bean>
<!-- EntityManagerFactory -->
<bean id="userEntityManagerFactory" class="org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean">
<property name="persistenceUnitManager" ref="userPersistenceUnitManager"/>
<property name="jpaDialect">
<bean class="org.springframework.orm.jpa.vendor.EclipseLinkJpaDialect" />
</property>
<property name="jpaProperties">
<props>
<prop key="eclipselink.logging.level">FINE</prop>
<prop key="eclipselink.logging.timestamp">true</prop>
<prop key="eclipselink.logging.session">true</prop>
<prop key="eclipselink.logging.thread">true</prop>
<prop key="eclipselink.logging.exceptions">true</prop>
<prop key="eclipselink.weaving">false</prop>
</props>
</property>
</bean>
<!-- See http://commons.apache.org/dbcp/configuration.html
-->
<bean id="userDataSource" class="org.apache.commons.dbcp.BasicDataSource" destroy-method="close">
<property name="driverClassName" value="com.microsoft.sqlserver.jdbc.SQLServerDriver"/>
<property name="url" value="${database.url}"/>
<property name="username" value="${database.username}"/>
<property name="password" value="${database.password}"/>
<!-- performance tuning -->
<property name="initialSize" value="{database.minConnections}" />
<property name="maxActive" value="{database.maxConnections}" />
<property name="maxIdle" value="10"/>
<property name="minIdle" value="1"/>
<!-- The main purpose for the validation here is to avoid reusing a
expired DB connection -->
<property name="validationQuery" value="SELECT 1"/>
<property name="testOnBorrow" value="true"/>
<property name="testWhileIdle" value="false"/>
<property name="testOnReturn" value="false"/>
</bean>
<bean id="userPersistenceUnitManager" class="org.springframework.orm.jpa.persistenceunit.DefaultPersistenceUnitManager">
<property name="persistenceXmlLocations">
<list>
<value>classpath:META-INF/user_persistence.xml</value>
</list>
</property>
<property name="defaultDataSource" ref="userDataSource"/>
</bean>