Freeze::Connection

Overview

local interface Connection

A connection to a database (database environment with Berkeley DB). If you want to use a connection concurrently in multiple threads, you need to serialize access to this connection.

Used By

• Freeze::Transaction::getConnection

Operation Index

beginTransaction — Create a new transaction.
currentTransaction — Returns the transaction associated with this connection.
removeMapIndex — Remove an old unused Freeze Map index @throws IndexNotFoundException Raised if this index does not exist
close — Closes this connection.
getCommunicator — Returns the communicator associated with this connection.
getName — The name of the connected system (for example, the Berkeley DB environment).

Operations

Freeze::Transaction

Anchor
beginTransaction beginTransaction

beginTransaction()

Create a new transaction. Only one transaction at a time can be associated with a connection.

Return Value

The new transaction.

Exceptions

Freeze::TransactionAlreadyInProgressException — Raised if a transaction is already associated with this connection.

Freeze::Transaction

Anchor
currentTransaction currentTransaction

currentTransaction()

Returns the transaction associated with this connection.

Return Value

The current transaction if there is one, null otherwise.

void

Anchor
removeMapIndex removeMapIndex

removeMapIndex(string mapName, string indexName)

Remove an old unused Freeze Map index

Exceptions

Freeze::IndexNotFoundException — Raised if this index does not exist

void

Anchor
close close

close()

Closes this connection. If there is an associated transaction, it is rolled back.

Ice::Communicator

Anchor
getCommunicator getCommunicator

getCommunicator()

Returns the communicator associated with this connection.

string

Anchor
getName getName

getName()

The name of the connected system (for example, the Berkeley DB environment).