|
Java EE 5 SDK 深圳电信培训中心.徐海蛟老师. |
||||||||
上一个类 下一个类 | 框架 无框架 | ||||||||
摘要: 嵌套 | 字段 | 构造器 | 方法 | 详细信息: 字段 | 构造器 | 方法 |
javax.transaction Interface TransactionManager
public interface TransactionManager
The TransactionManager interface defines the methods that allow an application server to manage transaction boundaries.
方法摘要 | |
---|---|
void |
begin()
Create a new transaction and associate it with the current thread. |
void |
commit()
Complete the transaction associated with the current thread. |
int |
getStatus()
Obtain the status of the transaction associated with the current thread. |
Transaction |
getTransaction()
Get the transaction object that represents the transaction context of the calling thread. |
void |
resume(Transaction tobj)
Resume the transaction context association of the calling thread with the transaction represented by the supplied Transaction object. |
void |
rollback()
Roll back the transaction associated with the current thread. |
void |
setRollbackOnly()
Modify the transaction associated with the current thread such that the only possible outcome of the transaction is to roll back the transaction. |
void |
setTransactionTimeout(int seconds)
Modify the timeout value that is associated with transactions started by the current thread with the begin method. |
Transaction |
suspend()
Suspend the transaction currently associated with the calling thread and return a Transaction object that represents the transaction context being suspended. |
方法详细信息 |
---|
begin
void begin() throws NotSupportedException, SystemException
- Create a new transaction and associate it with the current thread.
- 抛出异常:
NotSupportedException
- Thrown if the thread is already associated with a transaction and the Transaction Manager implementation does not support nested transactions.SystemException
- Thrown if the transaction manager encounters an unexpected error condition.
commit
void commit() throws RollbackException, HeuristicMixedException, HeuristicRollbackException, SecurityException, IllegalStateException, SystemException
- Complete the transaction associated with the current thread. When this
method completes, the thread is no longer associated with a transaction.
- 抛出异常:
RollbackException
- Thrown to indicate that the transaction has been rolled back rather than committed.HeuristicMixedException
- Thrown to indicate that a heuristic decision was made and that some relevant updates have been committed while others have been rolled back.HeuristicRollbackException
- Thrown to indicate that a heuristic decision was made and that all relevant updates have been rolled back.SecurityException
- Thrown to indicate that the thread is not allowed to commit the transaction.IllegalStateException
- Thrown if the current thread is not associated with a transaction.SystemException
- Thrown if the transaction manager encounters an unexpected error condition.
getStatus
int getStatus() throws SystemException
- Obtain the status of the transaction associated with the current thread.
- 返回:
- The transaction status. If no transaction is associated with the current thread, this method returns the Status.NoTransaction value.
- 抛出异常:
SystemException
- Thrown if the transaction manager encounters an unexpected error condition.
getTransaction
Transaction getTransaction() throws SystemException
- Get the transaction object that represents the transaction
context of the calling thread.
- 返回:
- the
Transaction
object representing the transaction associated with the calling thread. - 抛出异常:
SystemException
- Thrown if the transaction manager encounters an unexpected error condition.
resume
void resume(Transaction tobj) throws InvalidTransactionException, IllegalStateException, SystemException
- Resume the transaction context association of the calling thread
with the transaction represented by the supplied Transaction object.
When this method returns, the calling thread is associated with the
transaction context specified.
- 参数:
tobj
- TheTransaction
object that represents the transaction to be resumed.- 抛出异常:
InvalidTransactionException
- Thrown if the parameter transaction object contains an invalid transaction.IllegalStateException
- Thrown if the thread is already associated with another transaction.SystemException
- Thrown if the transaction manager encounters an unexpected error condition.
rollback
void rollback() throws IllegalStateException, SecurityException, SystemException
- Roll back the transaction associated with the current thread. When this
method completes, the thread is no longer associated with a
transaction.
- 抛出异常:
SecurityException
- Thrown to indicate that the thread is not allowed to roll back the transaction.IllegalStateException
- Thrown if the current thread is not associated with a transaction.SystemException
- Thrown if the transaction manager encounters an unexpected error condition.
setRollbackOnly
void setRollbackOnly() throws IllegalStateException, SystemException
- Modify the transaction associated with the current thread such that
the only possible outcome of the transaction is to roll back the
transaction.
- 抛出异常:
IllegalStateException
- Thrown if the current thread is not associated with a transaction.SystemException
- Thrown if the transaction manager encounters an unexpected error condition.
setTransactionTimeout
void setTransactionTimeout(int seconds) throws SystemException
- Modify the timeout value that is associated with transactions started
by the current thread with the begin method.
If an application has not called this method, the transaction service uses some default value for the transaction timeout.
- 参数:
seconds
- The value of the timeout in seconds. If the value is zero, the transaction service restores the default value. If the value is negative a SystemException is thrown.- 抛出异常:
SystemException
- Thrown if the transaction manager encounters an unexpected error condition.
suspend
Transaction suspend() throws SystemException
- Suspend the transaction currently associated with the calling
thread and return a Transaction object that represents the
transaction context being suspended. If the calling thread is
not associated with a transaction, the method returns a null
object reference. When this method returns, the calling thread
is not associated with a transaction.
- 返回:
- Transaction object representing the suspended transaction.
- 抛出异常:
SystemException
- Thrown if the transaction manager encounters an unexpected error condition.
|
Java EE 5 SDK 深圳电信培训中心.徐海蛟老师. |
||||||||
上一个类 下一个类 | 框架 无框架 | ||||||||
摘要: 嵌套 | 字段 | 构造器 | 方法 | 详细信息: 字段 | 构造器 | 方法 |
提交错误或意见
版权所有 2007 Sun Microsystems, Inc. 保留所有权利。 请遵守许可证条款。深圳电信培训中心.徐海蛟老师教学参考.