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

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