bundles/org.simantics.modeling/src/org/simantics/modeling/adapters/CompositeCopyHandler.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 org.simantics.modeling.adapters;
  13
  14 import java.util.ArrayList;
  15 import java.util.Collection;
  16 import java.util.HashSet;
  17 import java.util.List;
  18 import java.util.Set;
  19
  20 import org.simantics.db.ReadGraph;
  21 import org.simantics.db.Resource;
  22 import org.simantics.db.common.request.ObjectsWithType;
  23 import org.simantics.db.common.request.PossibleIndexRoot;
  24 import org.simantics.db.exception.DatabaseException;
  25 import org.simantics.db.layer0.adapter.SubgraphExtent.ExtentStatus;
  26 import org.simantics.db.layer0.adapter.impl.DefaultCopyHandler;
  27 import org.simantics.db.layer0.util.TransferableGraphConfiguration2;
  28 import org.simantics.db.layer0.util.TransferableGraphConfiguration2.RootSpec;
  29 import org.simantics.diagram.stubs.DiagramResource;
  30 import org.simantics.layer0.Layer0;
  31 import org.simantics.modeling.ModelingResources;
  32 import org.simantics.modeling.ModelingUtils.CompositeInfo;
  33 import org.simantics.modeling.ModelingUtils.DiagramComponentInfo;
  34 import org.simantics.structural.stubs.StructuralResource2;
  35
  36 /**
  37  * @author Tuukka Lehtonen
  38  */
  39 public class CompositeCopyHandler extends DefaultCopyHandler {
  40
  41     public CompositeCopyHandler(Resource composite) {
  42         super(composite);
  43     }
  44
  45     public CompositeCopyHandler(Collection<Resource> composites) {
  46         super(composites);
  47     }
  48
  49     @Override
  50     protected TransferableGraphConfiguration2 createConfiguration(ReadGraph graph, boolean cut) throws DatabaseException {
  51
  52         Layer0 L0 = Layer0.getInstance(graph);
  53         StructuralResource2 SR = StructuralResource2.getInstance(graph);
  54         DiagramResource DIA = DiagramResource.getInstance(graph);
  55         ModelingResources MOD = ModelingResources.getInstance(graph);
  56
  57         Set<Resource> resourceSet = (resources instanceof Set)
  58                 ? (Set<Resource>) resources : new HashSet<>(resources);
  59         Set<Resource> exclusions = new HashSet<>();
  60         Set<Resource> externals = new HashSet<>();
  61         List<RootSpec> roots = new ArrayList<>();
  62
  63         Resource indexRoot = graph.syncRequest(new PossibleIndexRoot(resources.iterator().next()));
  64         if(indexRoot == null) throw new DatabaseException("Composite is not part of any index root");
  65         String indexRootUri = graph.getURI(indexRoot);
  66
  67         for(Resource resource : resources) {
  68             // Process all connection joins.
  69             // This is the only way to access all of them.
  70             for (Resource diagram : graph.getObjects(resource, MOD.CompositeToDiagram)) {
  71                 for (Resource flag : graph.syncRequest(new ObjectsWithType(diagram, L0.ConsistsOf, DIA.Flag))) {
  72                     for (Resource join : graph.getObjects(flag, DIA.FlagIsJoinedBy)) {
  73                         // Joins with external references are omitted
  74                         for (Resource comp : graph.getObjects(join, SR.JoinsComposite)) {
  75                             if (!resourceSet.contains(comp))
  76                                 exclusions.add(join);
  77                         }
  78                         // This code excludes joins with flags to external
  79                         // diagrams that are not connected (have no
  80                         // configuration for the flag)
  81                         for (Resource flag2 : graph.getObjects(join, DIA.JoinsFlag)) {
  82                             Resource diagram2 = graph.getPossibleObject(flag2, L0.PartOf);
  83                             if (diagram2 != null) {
  84                                 Resource comp = graph.getPossibleObject(diagram2, MOD.DiagramToComposite);
  85                                 if (!resourceSet.contains(comp))
  86                                     exclusions.add(join);
  87                             }
  88                         }
  89                     }
  90                 }
  91
  92                 // Check all diagram monitor elements.
  93                 // Any components referenced that are external to the exported diagrams must be excluded from the export.
  94                 // This will leave the monitors without a monitored component but export and import will work anyway.
  95                 for (Resource ref : graph.syncRequest(new ObjectsWithType(diagram, L0.ConsistsOf, DIA.Monitor))) {
  96                     for (Resource monitoredComponent : graph.getObjects(ref, DIA.HasMonitorComponent)) {
  97                         Resource monitoredComponentComposite = graph.getPossibleObject(monitoredComponent, L0.PartOf);
  98                         if (monitoredComponentComposite != null && !resourceSet.contains(monitoredComponentComposite)) {
  99                             exclusions.add(monitoredComponent);
 100                         }
 101                     }
 102                 }
 103             }
 104
 105             // Leave any diagram monitors out of the export that are contained
 106             // by diagrams that are not part of this export, when the monitored
 107             // components happen to be a part of the exported composites.
 108             for (Resource ref : graph.syncRequest(new ObjectsWithType(resource, L0.ConsistsOf, SR.Component))) {
 109                 for (Resource monitor : graph.getObjects(ref, DIA.HasMonitorComponent_Inverse)) {
 110                     Resource monitorDiagram = graph.getPossibleObject(monitor, L0.PartOf);
 111                     if (monitorDiagram != null) {
 112                         Resource monitorComposite = graph.getPossibleObject(monitorDiagram, MOD.DiagramToComposite);
 113                         if (monitorComposite != null && !resourceSet.contains(monitorComposite))
 114                             exclusions.add(monitor);
 115                     }
 116                 }
 117             }
 118
 119             // Include resource as root
 120             CompositeInfo info = CompositeInfo.fromResource(graph, resource);
 121             roots.add(new RootSpec(resource, info.getTGName(), true, typeId(graph, L0, indexRootUri, resource)));
 122                 Resource id = graph.getPossibleObject(resource, L0.identifier);
 123                 if(id != null) exclusions.add(id);
 124             // Include components as roots
 125             for(Resource child : graph.sync(new ObjectsWithType(resource, L0.ConsistsOf, SR.Component))) {
 126                 DiagramComponentInfo cinfo = DiagramComponentInfo.fromResource(graph, info, child);
 127                 id = graph.getPossibleObject(child, L0.identifier);
 128                 if(id != null) exclusions.add(id);
 129                 roots.add(new RootSpec(child, cinfo.getTGName(info), true, typeId(graph, L0, indexRootUri, child)));
 130             }
 131         }
 132
 133         roots.add(new RootSpec(indexRoot, "%model", false));
 134
 135         TransferableGraphConfiguration2 config = TransferableGraphConfiguration2.createWithNames2(graph, roots, exclusions, true, false);
 136         for (Resource external : externals)
 137             config.preStatus.put(external, ExtentStatus.EXTERNAL);
 138         return config;
 139     }
 140
 141     private static String typeId(ReadGraph graph, Layer0 L0, String indexRootUri, Resource r) throws DatabaseException {
 142         Resource type = graph.getPossibleType(r, L0.Entity);
 143         if (type == null)
 144             return Layer0.URIs.Entity;
 145         String typeUri = graph.getPossibleURI(type);
 146         if (typeUri == null || !typeUri.startsWith(indexRootUri))
 147             return typeUri;
 148         return "%model" + typeUri.substring(indexRootUri.length());
 149     }
 150
 151 }