Spring框架学习[HibernateTemplate对Hibernate的封装] - JAVA

this.sessionFactory.close(); } } //获取单态模式的Hibernate会话工厂 public SessionFactory getObject() { return this.sessionFactory; } //获取Hibernate会话工厂的对象类型 public Class getObjectType() { return (this.sessionFactory != null this.sessionFactory.getClass() : SessionFactory.class); } public boolean isSingleton() { return true; } //转换异常 public DataAccessException translateExceptionIfPossible(RuntimeException ex) { //如果异常时Hibernate异常类型 if (ex instanceof HibernateException) { //转换Hibernate异常 return convertHibernateAccessException((HibernateException) ex); } //如果不是Hibernate异常，则返回null return null; } //转换Hibernate异常 protected DataAccessException convertHibernateAccessException(HibernateException ex) { //如果Hibernate会话工厂设置了Jdbc异常转换器，且给定的异常是jdbc异常类型， //则使用设置的jdbc异常转换器转换给定的Hibernate异常 if (this.jdbcExceptionTranslator != null && ex instanceof JDBCException) { JDBCException jdbcEx = (JDBCException) ex; return this.jdbcExceptionTranslator.translate( "Hibernate operation: " + jdbcEx.getMessage(), jdbcEx.getSQL(), jdbcEx.getSQLException()); } //如果Hibernate会话工厂没有设置jdbc异常转换器，或者给定异常不是jdbc异常 //类型，则使用Hibernate默认的异常转换器转换 return SessionFactoryUtils.convertHibernateAccessException(ex); } //创建Hibernate会话工厂 protected abstract SessionFactory buildSessionFactory() throws Exception; //钩子方法，Hibernate会话工厂成功创建后操作处理 protected void afterSessionFactoryCreation() throws Exception { } //钩子方法，Hibernate会话工厂关闭前操作处理 protected void beforeSessionFactoryDestruction() { } }

public abstract class AbstractSessionFactoryBean		implements FactoryBean<SessionFactory>, InitializingBean, DisposableBea<div class="article-middle-ad" style="margin: 30px 0; padding: 20px 0; text-align: center; clear: both;">
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</div>n, PersistenceExceptionTranslator {	protected final Log logger = LogFactory.getLog(getClass());	//数据源	private DataSource dataSource;//Hibernate会话使用Spring事务管理器包装的数据源	private boolean useTransactionAwareDataSource = false;	//从Hibernate会话工厂中获取的当前会话是否暴露给Spring事务来包装	private boolean exposeTransactionAwareSessionFactory = true;	//Hibernate SQL相关异常转换器	private SQLExceptionTranslator jdbcExceptionTranslator;	//Hibernate会话工厂	private SessionFactory sessionFactory;	//为会话工厂设置数据源，如果设置，则覆盖Hibernate配置文件中的数据源设置	public void setDataSource(DataSource dataSource) {		this.dataSource = dataSource;	}	public DataSource getDataSource() {		return this.dataSource;	}//设置Hibernate会话工厂是否使用Spring事务(jdbc事务)包装的数据源，//true，则使用Spring的jdbc事务；false，则使用Hibernate事务或者JTA	public void setUseTransactionAwareDataSource(boolean useTransactionAwareDataSource) {		this.useTransactionAwareDataSource = useTransactionAwareDataSource;	}	protected boolean isUseTransactionAwareDataSource() {		return this.useTransactionAwareDataSource;	}	//为通过Hibernate会话工厂getCurrentSession()方法获得的当前会话设置//是否使用Spring会话包装	public void setExposeTransactionAwareSessionFactory(boolean exposeTransactionAwareSessionFactory) {		this.exposeTransactionAwareSessionFactory = exposeTransactionAwareSessionFactory;	}	protected boolean isExposeTransactionAwareSessionFactory() {		return this.exposeTransactionAwareSessionFactory;	}		//为Hibernate会话工厂设置JDBC异常转换器，当Hibernate产生的任何由jdbc异常//引起的SQL异常时，使用jdbc异常覆盖Hibernate默认的SQL方言(Dialect)异常	public void setJdbcExceptionTranslator(SQLExceptionTranslator jdbcExceptionTranslator) {		this.jdbcExceptionTranslator = jdbcExceptionTranslator;	}//创建Hibernate会话工厂，I</span>
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Spring框架学习[HibernateTemplate对Hibernate的封装](二)