org.datanucleus.store.connection

Interface ConnectionFactory

All Known Implementing Classes:

AbstractConnectionFactory

public interface ConnectionFactory

Factory for connections to the datastore. To be implemented by all StoreManagers.

Field Summary

Fields

Modifier and Type	Field and Description
static String	DATANUCLEUS_CONNECTION_RESOURCE_TYPE User-visible configuration property name
static String	DATANUCLEUS_CONNECTION2_RESOURCE_TYPE User-visible configuration property name

Method Summary

Modifier and Type	Method and Description
void	close() Release any resources that have been allocated.
ManagedConnection	createManagedConnection(ExecutionContext ec, Map<String,Object> transactionOptions) Create the ManagedConnection.
String	getResourceName() Accessor for the resource name (e.g "jdbc/tx").
String	getResourceType() Type of resource that this ConnectionFactory represents.

Field Detail

DATANUCLEUS_CONNECTION_RESOURCE_TYPE

static final String DATANUCLEUS_CONNECTION_RESOURCE_TYPE

User-visible configuration property name

See Also:

Constant Field Values

DATANUCLEUS_CONNECTION2_RESOURCE_TYPE

static final String DATANUCLEUS_CONNECTION2_RESOURCE_TYPE

User-visible configuration property name

See Also:

Constant Field Values

Method Detail

createManagedConnection

ManagedConnection createManagedConnection(ExecutionContext ec,
                                          Map<String,Object> transactionOptions)

Create the ManagedConnection. Only used by ConnectionManager so do not call this.

Parameters:

ec - ExecutionContext that the connection is bound to during its lifecycle (if any)

transactionOptions - the Transaction options this connection will be enlisted to, null if non existent

Returns:

The ManagedConnection.

close

void close()

Release any resources that have been allocated.

getResourceType

String getResourceType()

Type of resource that this ConnectionFactory represents. See ConnectionResourceType.

Returns:

Resource type ("JTA", "RESOURCE_LOCAL")

getResourceName

String getResourceName()

Accessor for the resource name (e.g "jdbc/tx").

Returns:

The resource name