net.hasor.db.datasource.local

类 ConnectionHolder

java.lang.Object

net.hasor.db.datasource.local.ConnectionHolder

所有已实现的接口:

SavepointManager

public class ConnectionHolder
extends Object
implements SavepointManager

版本:

: 2014-3-29

作者:

赵永春 (zyc@byshell.org)

字段概要

字段

限定符和类型	字段和说明
static String	SAVEPOINT_NAME_PREFIX

构造器概要

构造器

构造器和说明
ConnectionHolder(DataSource dataSource)

方法概要

方法

限定符和类型	方法和说明
void	cancelTransaction() 取消事务状态
Savepoint	createSavepoint() 使用一个全新的名称创建一个保存点。
Connection	getConnection() 获取连接
boolean	hasTransaction() 是否存在事务
boolean	isOpen()
void	released() 减少引用计数,一个因为持有人已被释放。
void	releaseSavepoint(Savepoint savepoint) 释放某个事务的保存点
void	requested() 增加引用计数,一个因为持有人已被请求。
void	rollbackToSavepoint(Savepoint savepoint) 回滚事务到一个指定的保存点。
void	setTransaction() 设置事务状态
boolean	supportSavepoint() 是否支持保存点
boolean	supportsSavepoints() 返回 JDBC 驱动是否支持保存点。

从类继承的方法 java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

字段详细资料

SAVEPOINT_NAME_PREFIX

public static final String SAVEPOINT_NAME_PREFIX

另请参阅:

常量字段值

构造器详细资料

ConnectionHolder

public ConnectionHolder(DataSource dataSource)

方法详细资料

requested

public void requested()

增加引用计数,一个因为持有人已被请求。

released

public void released()
              throws SQLException

减少引用计数,一个因为持有人已被释放。

抛出:

SQLException

isOpen

public boolean isOpen()

getConnection

public Connection getConnection()
                         throws SQLException

获取连接

抛出:

SQLException

hasTransaction

public boolean hasTransaction()
                       throws SQLException

是否存在事务

抛出:

SQLException

setTransaction

public void setTransaction()
                    throws SQLException

设置事务状态

抛出:

SQLException

cancelTransaction

public void cancelTransaction()
                       throws SQLException

取消事务状态

抛出:

SQLException

supportsSavepoints

public boolean supportsSavepoints()
                           throws SQLException

返回 JDBC 驱动是否支持保存点。

抛出:

SQLException

createSavepoint

public Savepoint createSavepoint()
                          throws SQLException

使用一个全新的名称创建一个保存点。

指定者:

createSavepoint 在接口中 SavepointManager

抛出:

SQLException

rollbackToSavepoint

public void rollbackToSavepoint(Savepoint savepoint)
                         throws SQLException

从接口复制的说明: SavepointManager

回滚事务到一个指定的保存点。

指定者:

rollbackToSavepoint 在接口中 SavepointManager

抛出:

SQLException

releaseSavepoint

public void releaseSavepoint(Savepoint savepoint)
                      throws SQLException

从接口复制的说明: SavepointManager

释放某个事务的保存点

指定者:

releaseSavepoint 在接口中 SavepointManager

抛出:

SQLException

supportSavepoint

public boolean supportSavepoint()
                         throws SQLException

从接口复制的说明: SavepointManager

是否支持保存点

指定者:

supportSavepoint 在接口中 SavepointManager

抛出:

SQLException