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

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