org.eclipse.scada.core.server.common.osgi

Class AbstractServiceImpl<S extends Session,SI extends AbstractSessionImpl>

java.lang.Object

org.eclipse.scada.core.server.common.ServiceCommon<S,SI>

org.eclipse.scada.core.server.common.osgi.AbstractServiceImpl<S,SI>

All Implemented Interfaces:

Service<S>, LifecycleAware

Direct Known Subclasses:

ServiceImpl, ServiceImpl, ServiceImpl

public abstract class AbstractServiceImpl<S extends Session,SI extends AbstractSessionImpl>
extends ServiceCommon<S,SI>

Field Summary

Fields

Modifier and Type	Field and Description
protected AuthorizationProvider<AbstractSessionImpl>	authorizationProvider
protected Set<SI>	sessions

Fields inherited from class org.eclipse.scada.core.server.common.ServiceCommon

DEFAULT_RESULT

Constructor Summary

Constructors

Constructor and Description
AbstractServiceImpl(org.osgi.framework.BundleContext context, Executor executor)

Method Summary

Modifier and Type	Method and Description
void	closeSession(S session) Close the provided session Closing the session includes: unregistering from all items, canceling all running operations
protected S	createSession(Future<UserInformation> loginFuture, Properties properties, CallbackHandler callbackHandler)
NotifyFuture<S>	createSession(Properties properties, Map<String,Object> contextInformation, CallbackHandler callbackHandler) Create a new session for further accessing the hive
protected abstract SI	createSessionInstance(UserInformation user, Map<String,String> sessionProperties)
protected void	handleSessionClosed(SI session)
protected void	handleSessionCreated(SI session)
void	start()
void	stop()
protected SI	validateSession(S session, Class<SI> sessionImplClazz)

Methods inherited from class org.eclipse.scada.core.server.common.ServiceCommon

authorize, authorize, extractPrivileges, fillSessionProperties, loginUser, makeEffectiveUserInformation, setAuditLogService, setAuthenticationImplementation, setAuthorizationImplementation

Methods inherited from class java.lang.Object

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

Field Detail

sessions

protected final Set<SI extends AbstractSessionImpl> sessions

authorizationProvider

protected final AuthorizationProvider<AbstractSessionImpl> authorizationProvider

Constructor Detail

AbstractServiceImpl

public AbstractServiceImpl(org.osgi.framework.BundleContext context,
                           Executor executor)
                    throws org.osgi.framework.InvalidSyntaxException

Throws:

org.osgi.framework.InvalidSyntaxException

Method Detail

start

public void start()
           throws Exception

Throws:

Exception

stop

public void stop()
          throws Exception

Throws:

Exception

closeSession

public void closeSession(S session)
                  throws InvalidSessionException

Description copied from interface: Service

Close the provided session Closing the session includes: unregistering from all items, canceling all running operations

Parameters:

session - the session to close

Throws:

InvalidSessionException - In the case the session is not a valid session

handleSessionClosed

protected void handleSessionClosed(SI session)

createSession

public NotifyFuture<S> createSession(Properties properties,
                                     Map<String,Object> contextInformation,
                                     CallbackHandler callbackHandler)

Description copied from interface: Service

Create a new session for further accessing the hive

Parameters:

properties - properties used to create the session

contextInformation - additional context information

Returns:

a new session

createSession

protected S createSession(Future<UserInformation> loginFuture,
                          Properties properties,
                          CallbackHandler callbackHandler)
                   throws Exception

Throws:

Exception

handleSessionCreated

protected void handleSessionCreated(SI session)

createSessionInstance

protected abstract SI createSessionInstance(UserInformation user,
                                            Map<String,String> sessionProperties)

validateSession

protected SI validateSession(S session,
                             Class<SI> sessionImplClazz)
                      throws InvalidSessionException

Throws:

InvalidSessionException