org.datanucleus.store.connection

Class AbstractConnectionFactory

java.lang.Object

org.datanucleus.store.connection.AbstractConnectionFactory

All Implemented Interfaces:

ConnectionFactory

public abstract class AbstractConnectionFactory
extends Object
implements ConnectionFactory

Abstract implementation of a ConnectionFactory for a DataNucleus supported datastore.

Field Summary

Fields

Modifier and Type	Field and Description
static String	RESOURCE_NAME_NONTX
static String	RESOURCE_NAME_TX
protected String	resourceName Name of this resource ("tx", "non-tx" etc).
protected String	resourceType Type of resource represented by this ConnectionFactory.
protected StoreManager	storeMgr

Fields inherited from interface org.datanucleus.store.connection.ConnectionFactory

DATANUCLEUS_CONNECTION_RESOURCE_TYPE, DATANUCLEUS_CONNECTION2_RESOURCE_TYPE

Constructor Summary

Constructors

Constructor and Description
AbstractConnectionFactory(StoreManager storeMgr, String resourceName) Constructor.

Method Summary

Modifier and Type	Method and Description
void	close() Release any resources that have been allocated.
ManagedConnection	getConnection(ExecutionContext ec, Transaction txn, Map options) Obtain a connection from the Factory.
String	getResourceName()
String	getResourceType() Type of resource that this ConnectionFactory represents.
String	toString() Method to return a string form of this object for convenience debug.

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.datanucleus.store.connection.ConnectionFactory

createManagedConnection

Field Detail

storeMgr

protected StoreManager storeMgr

resourceType

protected String resourceType

Type of resource represented by this ConnectionFactory. See ConnectionResourceType.

resourceName

protected String resourceName

Name of this resource ("tx", "non-tx" etc).

RESOURCE_NAME_TX

public static final String RESOURCE_NAME_TX

See Also:

Constant Field Values

RESOURCE_NAME_NONTX

public static final String RESOURCE_NAME_NONTX

See Also:

Constant Field Values

Constructor Detail

AbstractConnectionFactory

public AbstractConnectionFactory(StoreManager storeMgr,
                                 String resourceName)

Constructor.

Parameters:

storeMgr - The store manager needing the connection

resourceName - Name of resource (tx, nontx)

Method Detail

getResourceName

public String getResourceName()

getResourceType

public String getResourceType()

Description copied from interface: ConnectionFactory

Type of resource that this ConnectionFactory represents. See ConnectionResourceType.

Specified by:

getResourceType in interface ConnectionFactory

Returns:

Resource type ("JTA", "RESOURCE_LOCAL")

getConnection

public ManagedConnection getConnection(ExecutionContext ec,
                                       Transaction txn,
                                       Map options)

Description copied from interface: ConnectionFactory

Obtain a connection from the Factory. The connection will be enlisted within the transaction associated to the ExecutionContext if enlist set to true.

Specified by:

getConnection in interface ConnectionFactory

Parameters:

ec - ExecutionContext that the connection is bound to during its lifecycle (or null)

txn - The transaction to enlist with

options - Any options for then creating the connection

Returns:

the ManagedConnection

close

public void close()

Description copied from interface: ConnectionFactory

Release any resources that have been allocated.

Specified by:

close in interface ConnectionFactory

toString

public String toString()

Method to return a string form of this object for convenience debug.

Overrides:

toString in class Object

Returns:

The String form