bundles/org.simantics.objmap2/src/org/simantics/objmap/graph/annotations/factories/LinkedListRuleFactory2.java

   1 /*******************************************************************************
   2  * Copyright (c) 2019 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  *     Semantum oy - 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.LinkedListAdd;
  22 import org.simantics.objmap.graph.annotations.LinkedListGet;
  23 import org.simantics.objmap.graph.annotations.LinkedListRem;
  24 import org.simantics.objmap.graph.rules.MappedElementsRule;
  25 import org.simantics.objmap.graph.rules.domain.LinkedListAccessor;
  26 import org.simantics.objmap.graph.rules.factory.ICollectionRuleFactory;
  27 import org.simantics.objmap.graph.rules.range.CollectionAccessor;
  28
  29 public class LinkedListRuleFactory2<Range> implements ICollectionRuleFactory<Resource,Range> {
  30
  31         @Override
  32         public IBidirectionalMappingRule<Resource, Range> create(ReadGraph g, Annotation annotation,
  33                         Method getter, Method adder, Method remover)
  34                         throws DatabaseException {
  35                 LinkedListGet getterAnn = (LinkedListGet)annotation;
  36                 return new MappedElementsRule<Resource,Range>(new LinkedListAccessor(g.getResource(getterAnn.value()), g.getResource(getterAnn.type()), getterAnn.composition()),
  37                                         new CollectionAccessor<Range,Range>(getter, adder, remover));
  38         }
  39
  40         @Override
  41         public boolean isAdder(Annotation getterAnnotation, Annotation annotation) {
  42                 LinkedListGet getterAnn = (LinkedListGet)getterAnnotation;
  43                 LinkedListAdd adderAnn = (LinkedListAdd)annotation;
  44                 return getterAnn.value().equals(adderAnn.value());
  45         }
  46
  47         @Override
  48         public boolean isRemover(Annotation getterAnnotation, Annotation annotation) {
  49                 LinkedListGet getterAnn = (LinkedListGet)getterAnnotation;
  50                 LinkedListRem adderAnn = (LinkedListRem)annotation;
  51                 return getterAnn.value().equals(adderAnn.value());
  52         }
  53
  54 }