bundles/org.simantics.objmap2/src/org/simantics/objmap/graph/annotations/factories/OrderedElementsRuleFactory.java

   1 /*******************************************************************************\r
   2  * Copyright (c) 2012, 2013 Association for Decentralized Information Management in\r
   3  * 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.objmap.graph.annotations.factories;\r
  13 \r
  14 import java.lang.annotation.Annotation;\r
  15 import java.lang.reflect.Method;\r
  16 \r
  17 import org.simantics.db.ReadGraph;\r
  18 import org.simantics.db.Resource;\r
  19 import org.simantics.db.exception.DatabaseException;\r
  20 import org.simantics.objmap.bidirectional.IBidirectionalMappingRule;\r
  21 import org.simantics.objmap.graph.annotations.OrderedElementsAdd;\r
  22 import org.simantics.objmap.graph.annotations.OrderedElementsGet;\r
  23 import org.simantics.objmap.graph.annotations.OrderedElementsRem;\r
  24 import org.simantics.objmap.graph.rules.MappedElementsRule;\r
  25 import org.simantics.objmap.graph.rules.domain.RelatedOrderedSetElementsAccessor;\r
  26 import org.simantics.objmap.graph.rules.factory.ICollectionRuleFactory;\r
  27 import org.simantics.objmap.graph.rules.range.ListAccessor;\r
  28 \r
  29 \r
  30 public class OrderedElementsRuleFactory<Range> implements ICollectionRuleFactory<Resource,Range> {\r
  31         \r
  32         @Override\r
  33         public IBidirectionalMappingRule<Resource, Range> create(ReadGraph g, Annotation annotation,\r
  34                         Method getter, Method adder, Method remover)\r
  35                         throws DatabaseException {\r
  36                 OrderedElementsGet getterAnn = (OrderedElementsGet)annotation;\r
  37                 return new MappedElementsRule<Resource,Range>(new RelatedOrderedSetElementsAccessor(getterAnn.composition()),\r
  38                                         new ListAccessor<Range,Range>(getter, adder, remover));\r
  39         }\r
  40         \r
  41         @Override\r
  42         public boolean isAdder(Annotation getterAnnotation, Annotation annotation) {\r
  43                 OrderedElementsGet getterAnn = (OrderedElementsGet)getterAnnotation;\r
  44                 OrderedElementsAdd adderAnn = (OrderedElementsAdd)annotation;\r
  45                 return true;\r
  46         }\r
  47         \r
  48         @Override\r
  49         public boolean isRemover(Annotation getterAnnotation, Annotation annotation) {\r
  50                 OrderedElementsGet getterAnn = (OrderedElementsGet)getterAnnotation;\r
  51                 OrderedElementsRem adderAnn = (OrderedElementsRem)annotation;\r
  52                 return true;\r
  53         }\r
  54 \r
  55 }\r