Package org.apache.tomcat.dbcp.dbcp2.managed

Class TransactionContext

java.lang.Object

org.apache.tomcat.dbcp.dbcp2.managed.TransactionContext

public class TransactionContext
extends Object

TransactionContext represents the association between a single XAConnectionFactory and a Transaction. This context contains a single shared connection which should be used by all ManagedConnections for the XAConnectionFactory, the ability to listen for the transaction completion event, and a method to check the status of the transaction.

Since:

2.0

Constructor Summary

Constructors

Constructor	Description
TransactionContext(TransactionRegistry transactionRegistry, Transaction transaction)	Provided for backwards compatibility
TransactionContext(TransactionRegistry transactionRegistry, Transaction transaction, TransactionSynchronizationRegistry transactionSynchronizationRegistry)	Creates a TransactionContext for the specified Transaction and TransactionRegistry.

Method Summary

Modifier and Type	Method	Description
void	addTransactionContextListener(TransactionContextListener listener)	Adds a listener for transaction completion events.
void	completeTransaction()	Sets the transaction complete flag to true.
Connection	getSharedConnection()	Gets the connection shared by all ManagedConnections in the transaction.
boolean	isActive()	True if the transaction is active or marked for rollback only.
boolean	isTransactionComplete()	Gets the transaction complete flag to true.
void	setSharedConnection(Connection sharedConnection)	Sets the shared connection for this transaction.

Methods inherited from class java.lang.Object

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

Constructor Details

TransactionContext

public TransactionContext(TransactionRegistry transactionRegistry,
 Transaction transaction)

Provided for backwards compatibility

Parameters:

transactionRegistry - the TransactionRegistry used to obtain the XAResource for the shared connection

transaction - the transaction

TransactionContext

public TransactionContext(TransactionRegistry transactionRegistry,
 Transaction transaction,
 TransactionSynchronizationRegistry transactionSynchronizationRegistry)

Creates a TransactionContext for the specified Transaction and TransactionRegistry. The TransactionRegistry is used to obtain the XAResource for the shared connection when it is enlisted in the transaction.

Parameters:

transactionRegistry - the TransactionRegistry used to obtain the XAResource for the shared connection

transaction - the transaction

transactionSynchronizationRegistry - The optional TSR to register synchronizations with

Since:

2.6.0

Method Details

addTransactionContextListener

public void addTransactionContextListener(TransactionContextListener listener)
                                   throws SQLException

Adds a listener for transaction completion events.

Parameters:

listener - the listener to add

Throws:

SQLException - if a problem occurs adding the listener to the transaction

completeTransaction

public void completeTransaction()

Sets the transaction complete flag to true.

Since:

2.4.0

getSharedConnection

public Connection getSharedConnection()

Gets the connection shared by all ManagedConnections in the transaction. Specifically, connection using the same XAConnectionFactory from which the TransactionRegistry was obtained.

Returns:

the shared connection for this transaction

isActive

public boolean isActive()
                 throws SQLException

True if the transaction is active or marked for rollback only.

Returns:

true if the transaction is active or marked for rollback only; false otherwise

Throws:

SQLException - if a problem occurs obtaining the transaction status

isTransactionComplete

public boolean isTransactionComplete()

Gets the transaction complete flag to true.

Returns:

The transaction complete flag.

Since:

2.4.0

setSharedConnection

public void setSharedConnection(Connection sharedConnection)
                         throws SQLException

Sets the shared connection for this transaction. The shared connection is enlisted in the transaction.

Parameters:

sharedConnection - the shared connection

Throws:

SQLException - if a shared connection is already set, if XAResource for the connection could not be found in the transaction registry, or if there was a problem enlisting the connection in the transaction