bundles/org.simantics.modeling/src/org/simantics/modeling/rules/Mapping.java

   1 /*******************************************************************************\r
   2  * Copyright (c) 2007, 2014 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  *     Semantum Oy - #5290\r
  12  *******************************************************************************/\r
  13 package org.simantics.modeling.rules;\r
  14 \r
  15 import java.util.Collection;\r
  16 \r
  17 import org.simantics.db.ReadGraph;\r
  18 import org.simantics.db.Resource;\r
  19 import org.simantics.db.WriteGraph;\r
  20 import org.simantics.db.exception.DatabaseException;\r
  21 import org.simantics.modeling.ModelingResources;\r
  22 import org.simantics.structural2.modelingRules.CPConnection;\r
  23 import org.simantics.structural2.modelingRules.CPConnectionJoin;\r
  24 import org.simantics.structural2.modelingRules.CPTerminal;\r
  25 import org.simantics.structural2.modelingRules.IConnectionPoint;\r
  26 \r
  27 public class Mapping implements IMapping {\r
  28 \r
  29         Resource componentMap;\r
  30         Resource connectionMap;\r
  31         Resource mapsToConnection;\r
  32         Resource invConnectionMap;\r
  33         Resource componentTypeMap;\r
  34         Resource connectionRelationMap;\r
  35                 \r
  36         public Mapping(ReadGraph g) throws DatabaseException {\r
  37                 initializeRelations(g);\r
  38         }\r
  39 \r
  40         protected void initializeRelations(ReadGraph g) throws DatabaseException {\r
  41                 componentMap = g.getResource(ModelingResources.URIs.ElementToComponent);\r
  42                 connectionMap = g.getResource(ModelingResources.URIs.DiagramConnectionToConnection);\r
  43                 mapsToConnection = g.getResource(ModelingResources.URIs.MapsToConnection);\r
  44                 invConnectionMap = g.getResource(ModelingResources.URIs.ConnectionToDiagramConnection);\r
  45                 componentTypeMap = g.getResource(ModelingResources.URIs.SymbolToComponentType);         \r
  46                 connectionRelationMap = g.getResource(ModelingResources.URIs.DiagramConnectionRelationToConnectionRelation);\r
  47         }\r
  48 \r
  49         @Override\r
  50         public Resource mapComponentType(ReadGraph g, Resource componentType)\r
  51                         throws DatabaseException {\r
  52                 return g.getPossibleObject(componentType, componentTypeMap);\r
  53         }\r
  54 \r
  55         public Collection<Resource> mapToConnections(ReadGraph g, Resource connection)\r
  56                         throws DatabaseException {\r
  57                 return g.getObjects(connection, mapsToConnection);\r
  58         }\r
  59 \r
  60         @Override\r
  61         public Resource mapConnection(ReadGraph g, Resource connection)\r
  62                         throws DatabaseException {\r
  63                 return g.getPossibleObject(connection, connectionMap);\r
  64         }\r
  65         \r
  66         @Override\r
  67         public Resource invMapConnection(WriteGraph g, Resource connection) \r
  68                         throws DatabaseException {\r
  69                 return g.getPossibleObject(connection, invConnectionMap);\r
  70         }\r
  71         \r
  72         @Override\r
  73         public Resource mapConnectionRelation(ReadGraph g, Resource relation)\r
  74                         throws DatabaseException {\r
  75                 return g.getPossibleObject(relation, connectionRelationMap);\r
  76         }\r
  77 \r
  78         @Override\r
  79         public Resource mapComponent(ReadGraph g, Resource component)\r
  80                 throws DatabaseException {\r
  81                 return g.getPossibleObject(component, componentMap);\r
  82         }\r
  83         \r
  84         @Override\r
  85         public IConnectionPoint mapConnectionPoint(ReadGraph g,\r
  86                         IConnectionPoint cp) throws DatabaseException {\r
  87                 if(cp instanceof CPConnection) {\r
  88                         CPConnection ccp = (CPConnection)cp;\r
  89                         Resource connection = mapConnection(g, ccp.connection);\r
  90                         if (connection == null)\r
  91                                 return null;\r
  92                         return new CPConnection(connection);\r
  93                 }\r
  94                 if(cp instanceof CPTerminal)\r
  95                         return mapCPTerminal(g, (CPTerminal)cp);\r
  96                 if(cp instanceof CPConnectionJoin)\r
  97                         return cp;\r
  98                 return null;\r
  99         }       \r
 100 \r
 101         @Override\r
 102         public int mapToConnectionPoints(ReadGraph g, IConnectionPoint cp,\r
 103                         Collection<IConnectionPoint> result) throws DatabaseException {\r
 104                 if(cp instanceof CPConnection) {\r
 105                         CPConnection ccp = (CPConnection)cp;\r
 106                         Collection<Resource> connections = mapToConnections(g, ccp.connection);\r
 107                         int size = connections.size();\r
 108                         if (size > 0)\r
 109                                 for (Resource connection : connections)\r
 110                                         result.add(new CPConnection(connection));\r
 111                         return size;\r
 112                 }\r
 113                 if(cp instanceof CPTerminal) {\r
 114                         IConnectionPoint mcp = mapCPTerminal(g, (CPTerminal) cp);\r
 115                         if (mcp != null)\r
 116                                 result.add(mcp);\r
 117                         return mcp != null ? 1 : 0;\r
 118                 }\r
 119                 if(cp instanceof CPConnectionJoin) {\r
 120                         result.add(cp);\r
 121                         return 1;\r
 122                 }\r
 123                 return 0;\r
 124         }\r
 125 \r
 126         protected IConnectionPoint mapCPTerminal(ReadGraph g, CPTerminal ccp) throws DatabaseException {\r
 127             if(ccp.component == null)\r
 128                 return null;\r
 129                 Resource component = mapComponent(g, ccp.component);\r
 130                 if(component == null)\r
 131                         return null;\r
 132                 Resource connectionRelation = mapConnectionRelation(g, ccp.relation);\r
 133                 if(connectionRelation == null)\r
 134                         return null;\r
 135                 return new CPTerminal(\r
 136                                 component,\r
 137                                 connectionRelation\r
 138                         );\r
 139         }\r
 140 \r
 141 }\r