org.modeshape.connector.store.jpa.model.simple
Class SimpleJpaConnection

java.lang.Object
  extended by org.modeshape.connector.store.jpa.model.simple.SimpleJpaConnection
All Implemented Interfaces:
RepositoryConnection

@NotThreadSafe
public class SimpleJpaConnection
extends Object
implements RepositoryConnection

The repository connection to JPA repository sources that use the simple model.


Constructor Summary
SimpleJpaConnection(JpaSource source)
           
 
Method Summary
 void close()
          Close this connection to signal that it is no longer needed and that any accumulated resources are to be released.
 void execute(ExecutionContext context, Request request)
          Execute the supplied commands against this repository source.
 CachePolicy getDefaultCachePolicy()
          Get the default cache policy for this repository.
 String getSourceName()
          Get the name for this repository source.
 XAResource getXAResource()
          Return the transactional resource associated with this connection.
 boolean ping(long time, TimeUnit unit)
          Ping the underlying system to determine if the connection is still valid and alive.
 
Methods inherited from class java.lang.Object
equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

SimpleJpaConnection

public SimpleJpaConnection(JpaSource source)
Method Detail

ping

public boolean ping(long time,
                    TimeUnit unit)
Description copied from interface: RepositoryConnection
Ping the underlying system to determine if the connection is still valid and alive.

Specified by:
ping in interface RepositoryConnection
Parameters:
time - the length of time to wait before timing out
unit - the time unit to use; may not be null
Returns:
true if this connection is still valid and can still be used, or false otherwise

getDefaultCachePolicy

public CachePolicy getDefaultCachePolicy()
Description copied from interface: RepositoryConnection
Get the default cache policy for this repository. If none is provided, a global cache policy will be used.

Specified by:
getDefaultCachePolicy in interface RepositoryConnection
Returns:
the default cache policy

getSourceName

public String getSourceName()
Description copied from interface: RepositoryConnection
Get the name for this repository source. This value should be the same as that returned by the same RepositorySource that created this connection.

Specified by:
getSourceName in interface RepositoryConnection
Returns:
the identifier; never null or empty

getXAResource

public XAResource getXAResource()
Description copied from interface: RepositoryConnection
Return the transactional resource associated with this connection. The transaction manager will use this resource to manage the participation of this connection in a distributed transaction.

Specified by:
getXAResource in interface RepositoryConnection
Returns:
the XA resource, or null if this connection is not aware of distributed transactions

close

public void close()
Description copied from interface: RepositoryConnection
Close this connection to signal that it is no longer needed and that any accumulated resources are to be released.

Specified by:
close in interface RepositoryConnection

execute

public void execute(ExecutionContext context,
                    Request request)
             throws RepositorySourceException
Execute the supplied commands against this repository source.

Specified by:
execute in interface RepositoryConnection
Parameters:
context - the environment in which the commands are being executed; never null
request - the request to be executed; never null
Throws:
RepositorySourceException - if there is a problem loading the node data
See Also:
RepositoryConnection.execute(org.modeshape.graph.ExecutionContext, org.modeshape.graph.request.Request)


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