Package com.vividsolutions.jump.workbench.datastore

Class ConnectionManager

java.lang.Object

com.vividsolutions.jump.workbench.datastore.ConnectionManager

public class ConnectionManager
extends Object

Reuses existing connections where possible.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static interface	ConnectionManager.Listener

Method Summary

Modifier and Type	Method	Description
void	addListener(ConnectionManager.Listener listener)
void	closeConnection(SpatialDSLayer layer2remove)	used by SpatialDSLayer.dispose() close the connection utilized by the layer given if no other layer is currently needing it
void	closeConnection(ConnectionDescriptor cd2remove)	try to close the connection for the given connection descriptor
void	closeConnections()	run by Exit handler, close all
void	closeConnectionsUnused()	close all connections currently not used by any layer in any open task
void	deleteConnectionDescriptor(ConnectionDescriptor connectionDescriptor)	Removes the ConnectionDescriptor and closes its associated DataStoreConnection.
DataStoreConnection	getConnection(ConnectionDescriptor connectionDescriptor)
Collection<ConnectionDescriptor>	getConnectionDescriptors()
DataStoreDriver	getDriver(String driverClassName)
DataStoreConnection	getOpenConnection(ConnectionDescriptor connectionDescriptor)
static ConnectionManager	instance(WorkbenchContext context)

Methods inherited from class java.lang.Object

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

Method Detail

getOpenConnection

public DataStoreConnection getOpenConnection(ConnectionDescriptor connectionDescriptor)
                                      throws Exception

Throws:

Exception

getDriver

public DataStoreDriver getDriver(String driverClassName)

getConnection

public DataStoreConnection getConnection(ConnectionDescriptor connectionDescriptor)

Returns:

a connection, possibly closed, never null

getConnectionDescriptors

public Collection<ConnectionDescriptor> getConnectionDescriptors()

deleteConnectionDescriptor

public void deleteConnectionDescriptor(ConnectionDescriptor connectionDescriptor)
                                throws DataStoreException

Removes the ConnectionDescriptor and closes its associated DataStoreConnection.

Throws:

DataStoreException

instance

public static ConnectionManager instance(WorkbenchContext context)

addListener

public void addListener(ConnectionManager.Listener listener)

closeConnections

public void closeConnections()

run by Exit handler, close all

Throws:

DataStoreException - if a DataStoreException occurs during connections closing

closeConnectionsUnused

public void closeConnectionsUnused()

close all connections currently not used by any layer in any open task

closeConnection

public void closeConnection(SpatialDSLayer layer2remove)

used by SpatialDSLayer.dispose() close the connection utilized by the layer given if no other layer is currently needing it

closeConnection

public void closeConnection(ConnectionDescriptor cd2remove)

try to close the connection for the given connection descriptor