bundles/org.simantics.migration.ui/src/org/simantics/migration/ui/IsMigrationPossible.java

   1 package org.simantics.migration.ui;
   2
   3 import org.simantics.browsing.ui.model.tests.Test;
   4 import org.simantics.db.ReadGraph;
   5 import org.simantics.db.Resource;
   6 import org.simantics.db.exception.DatabaseException;
   7 import org.simantics.layer0.SoftwareConfigurationResources;
   8
   9 public class IsMigrationPossible implements Test {
  10
  11     @Override
  12     public boolean isCompatible(Class<?> contentType) {
  13         return contentType.equals(Resource.class);
  14     }
  15
  16     @Override
  17     public boolean test(ReadGraph graph, Object content) throws DatabaseException {
  18         Resource resource = (Resource)content;
  19         SoftwareConfigurationResources SC = SoftwareConfigurationResources.getInstance(graph);
  20
  21         for(Resource version : graph.getObjects(resource, SC.IsCompatibleWith))
  22             if(graph.hasStatement(version, SC.Version_HasUpdate))
  23                 return true;
  24         return false;
  25     }
  26
  27 }