org.apache.commons.dbcp2.managed

## Class TransactionContext

- java.lang.Object
- - org.apache.commons.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
  Author:
    Dain Sundstrom

- - ### Constructor Summary

    Constructors
    Constructor and Description
    `TransactionContext(TransactionRegistry transactionRegistry, Transaction transaction)` Creates a TransactionContext for the specified Transaction and TransactionRegistry.

  - ### Method Summary

    Methods
    Modifier and Type | Method and Description
    --- | ---
    `void` | `addTransactionContextListener(TransactionContextListener listener)` Adds a listener for transaction completion events.
    `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.
    `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 Detail

    - #### TransactionContext

          public TransactionContext(TransactionRegistry transactionRegistry,
                            Transaction transaction)

      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

  - ### Method Detail

    - #### 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

    - #### 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

    - #### 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

    - #### 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

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