bundles/org.simantics.db.procore/src/fi/vtt/simantics/procore/internal/SessionImplVirtual.java

   1 /*******************************************************************************\r
   2  * Copyright (c) 2007, 2010 Association for Decentralized Information Management\r
   3  * in Industry THTH ry.\r
   4  * All rights reserved. This program and the accompanying materials\r
   5  * are made available under the terms of the Eclipse Public License v1.0\r
   6  * which accompanies this distribution, and is available at\r
   7  * http://www.eclipse.org/legal/epl-v10.html\r
   8  *\r
   9  * Contributors:\r
  10  *     VTT Technical Research Centre of Finland - initial API and implementation\r
  11  *******************************************************************************/\r
  12 package fi.vtt.simantics.procore.internal;\r
  13 \r
  14 import java.io.IOException;\r
  15 \r
  16 import org.simantics.db.ServerI;\r
  17 import org.simantics.db.VirtualGraph;\r
  18 import org.simantics.db.authentication.UserAuthenticationAgent;\r
  19 import org.simantics.db.common.utils.Logger;\r
  20 import org.simantics.db.exception.DatabaseException;\r
  21 import org.simantics.db.exception.InvalidAuthenticationException;\r
  22 import org.simantics.db.exception.InvalidUserException;\r
  23 import org.simantics.db.impl.ResourceImpl;\r
  24 import org.simantics.db.impl.VirtualGraphImpl;\r
  25 import org.simantics.db.impl.query.QueryProcessor;\r
  26 import org.simantics.db.service.ServerInformation;\r
  27 \r
  28 import fi.vtt.simantics.procore.BackdoorAuthenticator;\r
  29 import fi.vtt.simantics.procore.ProCoreServerReference;\r
  30 import fi.vtt.simantics.procore.ProCoreSessionReference;\r
  31 import fi.vtt.simantics.procore.SessionManagerSource;\r
  32 \r
  33 public class SessionImplVirtual extends SessionImplSocket {\r
  34     protected VirtualGraphImpl virtualGraphImpl;\r
  35     public SessionImplVirtual(UserAuthenticationAgent authAgent)\r
  36     throws DatabaseException {\r
  37         super(null, authAgent);\r
  38         init(authAgent, false);\r
  39     }\r
  40     public SessionImplVirtual(UserAuthenticationAgent authAgent, boolean init)\r
  41     throws DatabaseException {\r
  42         super(null, authAgent);\r
  43         init(authAgent, init);\r
  44     }\r
  45     private void init(UserAuthenticationAgent authAgent, boolean init)\r
  46     throws DatabaseException {\r
  47         ProCoreServerReference serverReference = new ProCoreServerReference();\r
  48         ProCoreSessionReference sessionReference = new ProCoreSessionReference(serverReference, SessionManagerSource.NullSessionId);\r
  49         if (init)\r
  50             graphSession = new GraphSessionVirtualInit(this, sessionReference, virtualGraphServerSupport);\r
  51         else\r
  52             graphSession = new GraphSessionVirtual(this, sessionReference, virtualGraphServerSupport);\r
  53         // This is used by QueryProcessor among others.\r
  54         String databaseId = GraphSessionVirtual.serverInfo.databaseId;\r
  55         String serverId = GraphSessionVirtual.serverInfo.serverId;\r
  56         try {\r
  57             virtualGraphServerSupport.connect(databaseId + "." + serverId);\r
  58             virtualGraphImpl = (VirtualGraphImpl)virtualGraphServerSupport.getWorkspacePersistent("virtualGraph" + "." + serverId);\r
  59             requestManager = new SessionRequestManager(this, state);\r
  60             clusterStream = new ClusterStream(this, graphSession, true);\r
  61             clusterTranslator = new ClusterTranslatorImpl(this);\r
  62             writeSupport = new WriteSupportImpl(this);\r
  63             resourceSupport = new ResourceSupportImpl(this);\r
  64             querySupport = new QuerySupportImpl(this, clusterTranslator, new SerialisationSupportImpl(this), requestManager);\r
  65             queryProvider2 = new QueryProcessor(getAmountOfQueryThreads(), querySupport, sessionThreads);\r
  66             state.setGraphSession(this, graphSession, queryProvider2, clusterTable);\r
  67             ServerInformationImpl serverInfo = graphSession.getServerInformation();\r
  68             authenticator = authAgent.getAuthenticator(serverInfo);\r
  69             if (authenticator == null)\r
  70                 throw new InvalidAuthenticationException("Authentication agent did not provide an authenticator");\r
  71             if (authenticator instanceof BackdoorAuthenticator)\r
  72                 user = authenticator.getUser(this);\r
  73         } catch (InvalidAuthenticationException e) {\r
  74             throw e;\r
  75         } catch (InvalidUserException e) {\r
  76             throw e;\r
  77         } catch (IOException e) {\r
  78                 Logger.defaultLogError("I/O error. See exception for details.", e);\r
  79             graphSession = null;\r
  80             throw new DatabaseException(e);\r
  81         } catch (Throwable e) {\r
  82             e.printStackTrace();\r
  83             Logger.defaultLogError("Unhandled error. See exception for details.", e);\r
  84             graphSession = null;\r
  85             throw new DatabaseException(e);\r
  86         }\r
  87         this.clusterStream.setOff(true);\r
  88     }\r
  89     public static ServerI newVirtualProCoreServer() {\r
  90         if (DEBUG)\r
  91             System.out.println("SessionImplVirtual.newVirtualProCoreServer");\r
  92         return new VirtualServer();\r
  93     }\r
  94     @Override\r
  95     protected VirtualGraph getProvider(VirtualGraph vg) {\r
  96         return null != vg ? vg : virtualGraphImpl;\r
  97     }\r
  98     @Override\r
  99     protected ResourceImpl getNewResource() throws DatabaseException {\r
 100         int newId = virtualGraphImpl.newResource(false);\r
 101         return new ResourceImpl(resourceSupport, newId);\r
 102     }\r
 103     @Override\r
 104     protected ServerInformation getCachedServerInformation() {\r
 105         GraphSession gs = graphSession;\r
 106         if (null == gs)\r
 107             return null;\r
 108         try {\r
 109             return gs.getServerInformation();\r
 110         } catch (DatabaseException e) {\r
 111             Logger.defaultLogError("Failed to get server info.", e);\r
 112             return null;\r
 113         }\r
 114     }\r
 115 }\r