Warning: file_get_contents(/data/phpspider/zhask/data//catemap/9/java/385.json): failed to open stream: No such file or directory in /data/phpspider/zhask/libs/function.php on line 167

Warning: Invalid argument supplied for foreach() in /data/phpspider/zhask/libs/tag.function.php on line 1116

Notice: Undefined index: in /data/phpspider/zhask/libs/function.php on line 180

Warning: array_chunk() expects parameter 1 to be array, null given in /data/phpspider/zhask/libs/function.php on line 181
Java 我是否正确地将Hibernate与Hikari一起使用?_Java_Hibernate_Hikaricp - Fatal编程技术网

Java 我是否正确地将Hibernate与Hikari一起使用?

Java 我是否正确地将Hibernate与Hikari一起使用?,java,hibernate,hikaricp,Java,Hibernate,Hikaricp,这是我第一次使用hibernate,所以我有一个小问题。 这种将hibernate 5.1与hikariCP 2.4.3结合使用的方法正确吗 我不确定池是否像这样工作 我应该打电话吗 Session session = sessionFactory.openSession(); 或 去开个会? 当我打电话时 session.close(); 连接是否已关闭或返回到池 HibernateDataStore由线程用于访问数据库 谢谢你的帮助 配置 我认为你应该用弹簧来处理会话工厂 <be

这是我第一次使用hibernate,所以我有一个小问题。 这种将hibernate 5.1与hikariCP 2.4.3结合使用的方法正确吗

我不确定池是否像这样工作

我应该打电话吗

Session session = sessionFactory.openSession();

去开个会? 当我打电话时

session.close();
连接是否已关闭或返回到池

HibernateDataStore由线程用于访问数据库

谢谢你的帮助

配置


我认为你应该用弹簧来处理会话工厂

<bean id="dataSource" class="com.zaxxer.hikari.HikariDataSource"
    destroy-method="close">
    <constructor-arg ref="hikariConfig" />
</bean>

<bean id="hikariConfig" class="com.zaxxer.hikari.HikariConfig">
    <property name="poolName" value="springHikariCP" />
    <property name="connectionTestQuery" value="SELECT 1" />
    <property name="dataSourceClassName"
        value="com.mysql.jdbc.jdbc2.optional.MysqlDataSource" />
    <property name="dataSourceProperties">
        <props>
            <prop key="url">jdbc:mysql://localhost:3306/xyz</prop>
            <prop key="user">root</prop>
            <prop key="password"></prop>
        </props>
    </property>
</bean>

<bean id="sessionFactory"
    class="org.springframework.orm.hibernate4.LocalSessionFactoryBean">
    <property name="dataSource" ref="dataSource"></property>
    <property name="packagesToScan" value="com.xyz.model" />
    <property name="hibernateProperties">
        <props>
            <prop key="hibernate.dialect">org.hibernate.dialect.MySQL5Dialect</prop>
            <!-- <prop key="hibernate.hbm2ddl.auto">update</prop> -->
            <prop key="hibernate.show_sql">false</prop>
            <prop key="hibernate.hikari.dataSource.minimumIdle">5</prop>
            <prop key="hibernate.hikari.dataSource.maximumPoolSize">20</prop>
            <prop key="hibernate.hikari.dataSource.idleTimeout">30000</prop>
        </props>
    </property>
</bean>

<bean id="transactionManager"
    class="org.springframework.orm.hibernate4.HibernateTransactionManager"
    p:sessionFactory-ref="sessionFactory">
</bean>

jdbc:mysql://localhost:3306/xyz
根
org.hibernate.dialogue.mysql5dialogue
假的
5.
20
30000

我认为应该使用Spring来处理会话工厂

<bean id="dataSource" class="com.zaxxer.hikari.HikariDataSource"
    destroy-method="close">
    <constructor-arg ref="hikariConfig" />
</bean>

<bean id="hikariConfig" class="com.zaxxer.hikari.HikariConfig">
    <property name="poolName" value="springHikariCP" />
    <property name="connectionTestQuery" value="SELECT 1" />
    <property name="dataSourceClassName"
        value="com.mysql.jdbc.jdbc2.optional.MysqlDataSource" />
    <property name="dataSourceProperties">
        <props>
            <prop key="url">jdbc:mysql://localhost:3306/xyz</prop>
            <prop key="user">root</prop>
            <prop key="password"></prop>
        </props>
    </property>
</bean>

<bean id="sessionFactory"
    class="org.springframework.orm.hibernate4.LocalSessionFactoryBean">
    <property name="dataSource" ref="dataSource"></property>
    <property name="packagesToScan" value="com.xyz.model" />
    <property name="hibernateProperties">
        <props>
            <prop key="hibernate.dialect">org.hibernate.dialect.MySQL5Dialect</prop>
            <!-- <prop key="hibernate.hbm2ddl.auto">update</prop> -->
            <prop key="hibernate.show_sql">false</prop>
            <prop key="hibernate.hikari.dataSource.minimumIdle">5</prop>
            <prop key="hibernate.hikari.dataSource.maximumPoolSize">20</prop>
            <prop key="hibernate.hikari.dataSource.idleTimeout">30000</prop>
        </props>
    </property>
</bean>

<bean id="transactionManager"
    class="org.springframework.orm.hibernate4.HibernateTransactionManager"
    p:sessionFactory-ref="sessionFactory">
</bean>

jdbc:mysql://localhost:3306/xyz
根
org.hibernate.dialogue.mysql5dialogue
假的
5.
20
30000

本机Hibernate,而不是JPA?没有其他框架可以帮助您吗?我不使用jpa,因为我已经读到它有一些限制,我不想浪费时间,您应该使用Spring或JavaEE来帮助您完成引导部分。JPA是一条路要走,对于“限制”部分,您也可以使用JPA中的Hibernate。我不是在构建一个新项目。我不能使用spring或JavaEE。我将尝试将数据存储转换为JPANative Hibernate,而不是JPA?没有其他框架可以帮助您吗?我不使用jpa,因为我已经读到它有一些限制,我不想浪费时间,您应该使用Spring或JavaEE来帮助您完成引导部分。JPA是一条路要走,对于“限制”部分,您也可以使用JPA中的Hibernate。我不是在构建一个新项目。我不能使用spring或JavaEE。我将尝试将数据存储转换为JPA
public class HibernateDataStore implements DataStore {
    private static final Logger logger = LogManager.getLogger();

    /** factory for hibernate sessions */
    private static SessionFactory sessionFactory;

    static {
        setUpHibernate();
    }

    /**
     * set up the hibernate session-factory
     */
    private static void setUpHibernate() {
        logger.debug("building session factory");
        final StandardServiceRegistry registry = new StandardServiceRegistryBuilder()
                .configure( "config/server/hibernate.cfg.xml" )
                .build();
        try {
            sessionFactory = new MetadataSources( registry ).buildMetadata().buildSessionFactory();
        }
        catch (Exception e) {
            logger.error("problems building hibernate sessionFactory " + e.getMessage());

            // The registry would be destroyed by the SessionFactory, but we had trouble building the SessionFactory
            // so destroy it manually.
            StandardServiceRegistryBuilder.destroy( registry );
        }
        logger.debug("finished building session factory");
    }


    @Override
    public void storeProduct(Product product) {
        logger.info("storing product: " + product.getTitle());
        Instant start = Instant.now();

        final Session session = sessionFactory.openSession();
        //final Session session = sessionFactory.getCurrentSession();
        session.beginTransaction();
        session.save( product );
        session.getTransaction().commit();
        session.close();

        Instant stop = Instant.now();
        logger.debug("product saved (took " + Duration.between(start, stop).toMillis() + "ms)");
    }
}
<bean id="dataSource" class="com.zaxxer.hikari.HikariDataSource"
    destroy-method="close">
    <constructor-arg ref="hikariConfig" />
</bean>

<bean id="hikariConfig" class="com.zaxxer.hikari.HikariConfig">
    <property name="poolName" value="springHikariCP" />
    <property name="connectionTestQuery" value="SELECT 1" />
    <property name="dataSourceClassName"
        value="com.mysql.jdbc.jdbc2.optional.MysqlDataSource" />
    <property name="dataSourceProperties">
        <props>
            <prop key="url">jdbc:mysql://localhost:3306/xyz</prop>
            <prop key="user">root</prop>
            <prop key="password"></prop>
        </props>
    </property>
</bean>

<bean id="sessionFactory"
    class="org.springframework.orm.hibernate4.LocalSessionFactoryBean">
    <property name="dataSource" ref="dataSource"></property>
    <property name="packagesToScan" value="com.xyz.model" />
    <property name="hibernateProperties">
        <props>
            <prop key="hibernate.dialect">org.hibernate.dialect.MySQL5Dialect</prop>
            <!-- <prop key="hibernate.hbm2ddl.auto">update</prop> -->
            <prop key="hibernate.show_sql">false</prop>
            <prop key="hibernate.hikari.dataSource.minimumIdle">5</prop>
            <prop key="hibernate.hikari.dataSource.maximumPoolSize">20</prop>
            <prop key="hibernate.hikari.dataSource.idleTimeout">30000</prop>
        </props>
    </property>
</bean>

<bean id="transactionManager"
    class="org.springframework.orm.hibernate4.HibernateTransactionManager"
    p:sessionFactory-ref="sessionFactory">
</bean>