bundles/org.simantics.layer0.utils/src/org/simantics/layer0/utils/instantiation/MultiInstance.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 org.simantics.layer0.utils.instantiation;\r
  13 \r
  14 import java.util.Collection;\r
  15 \r
  16 import org.simantics.db.Resource;\r
  17 \r
  18 /**\r
  19  * Helper class for creating multi-instances.\r
  20  * Note : This does NOT check conflicting requirements. \r
  21  * \r
  22  * @author Marko Luukkainen <Marko.Luukkainen@vtt.fi>\r
  23  *\r
  24  */\r
  25 public class MultiInstance extends Instance {\r
  26         \r
  27         public MultiInstance(Collection<Instance> instances, Resource instanceOf) {\r
  28                 for (Instance i : instances) {\r
  29                         if (i.equals != null)\r
  30                                 throw new UnsupportedOperationException("Don't know how to handle equal instances.");\r
  31                         for (RelatedInstance ri : i.relatedInstances) {\r
  32                                 boolean contains = false;\r
  33                                 for (RelatedInstance cri : relatedInstances) {\r
  34                                         if (cri.relation == ri.relation &&\r
  35                                                 cri.relation != instanceOf) {\r
  36                                                 contains = true;\r
  37                                                 break;\r
  38                                         }\r
  39                                 }\r
  40                                 if(!contains) {\r
  41                                         relatedInstances.add(ri);\r
  42                                 }\r
  43                         }\r
  44                 }\r
  45         }\r
  46 \r
  47 }\r