public class DefaultConnectionManager extends Object implements jakarta.resource.spi.ConnectionManager, Serializable
DefaultConnectionManager
class is the default connection
manager provided with JORAM resource adapter, which intercepts connections
requests coming from non managed client applications.
ConnectionManager interface provides a hook for the resource adapter to pass a connection request to the application server.
An application server provides implementation of the ConnectionManagerinterface. This implementation is not specific to any
particular type of the resource adapter or connection factory interface.
The ConnectionManager implementation delegates to the application server to enable latter to provide quality of services (QoS)
- security,connection pool management, transaction management and error logging/tracing.
An application server implements these services in a generic manner,independent of any resource adapter and EIS specific mechanisms.
The connector architecture does not specify how an application server implements these services; the implementation is specific to
an application server.
After an application server hooks-in its services, the connection request gets delegated to a ManagedConnectionFactory instance either
for the creation of a new physical connection or for the matching of an already existing physical connection.
An implementation class for ConnectionManager interface is required to implement the java.io.Serializable interface.
In the non-managed application scenario, the ConnectionManagerimplementation class can be provided either by a resource adapter (as a
default ConnectionManager implementation) or by application developers. In both cases, QOS can be provided as components by third party
vendors.Modifier and Type | Field and Description |
---|---|
static Logger |
logger |
private static DefaultConnectionManager |
ref
Static reference to the local
DefaultConnectionManager
instance. |
private static long |
serialVersionUID |
Constructor and Description |
---|
DefaultConnectionManager()
Creates a
DefaultConnectionManager instance. |
Modifier and Type | Method and Description |
---|---|
Object |
allocateConnection(jakarta.resource.spi.ManagedConnectionFactory mcf,
jakarta.resource.spi.ConnectionRequestInfo cxRequest)
Returns a
jakarta.jms.Connection connection instance for
a non managed application. |
(package private) static DefaultConnectionManager |
getRef()
Returns the reference to the
DefaultConnectionManager
instance, creates it if needed. |
private void |
setFactoryParameters(AbstractConnectionFactory factory,
ManagedConnectionFactoryImpl mcf) |
private static final long serialVersionUID
public static Logger logger
private static DefaultConnectionManager ref
DefaultConnectionManager
instance.public DefaultConnectionManager()
DefaultConnectionManager
instance.private void setFactoryParameters(AbstractConnectionFactory factory, ManagedConnectionFactoryImpl mcf)
static DefaultConnectionManager getRef()
DefaultConnectionManager
instance, creates it if needed.public Object allocateConnection(jakarta.resource.spi.ManagedConnectionFactory mcf, jakarta.resource.spi.ConnectionRequestInfo cxRequest) throws jakarta.resource.ResourceException
jakarta.jms.Connection
connection instance for
a non managed application.allocateConnection
in interface jakarta.resource.spi.ConnectionManager
jakarta.resource.spi.CommException
- If connecting fails.jakarta.resource.spi.SecurityException
- If connecting is not authorized.jakarta.resource.ResourceException
- Generic exception.Copyright © 2023 ScalAgent D.T.. All rights reserved.