bundles/org.simantics.charts/src/org/simantics/charts/export/ChartsDiscoverer.java

   1 package org.simantics.charts.export;
   2
   3 import java.util.Collection;
   4
   5 import org.simantics.charts.ontology.ChartResource;
   6 import org.simantics.db.exception.DatabaseException;
   7 import org.simantics.db.request.Read;
   8 import org.simantics.export.core.ExportContext;
   9 import org.simantics.export.core.error.ExportException;
  10 import org.simantics.export.core.intf.DiscoverAction;
  11 import org.simantics.export.core.util.ExportQueries;
  12
  13 public class ChartsDiscoverer implements DiscoverAction {
  14
  15         public Read<Collection<String>> discoverRequest(
  16                         final Collection<String> startLocations) throws ExportException {
  17                 return ExportQueries.instancesOf(startLocations, ChartResource.URIs.Chart);
  18         }
  19
  20         @Override
  21         public Collection<String> discoverContent(ExportContext ctx, Collection<String> startLocations) throws ExportException {
  22                 try {
  23                         return ctx.session.syncRequest( discoverRequest(startLocations) );
  24                 } catch (DatabaseException e) {
  25                         if ( e.getCause() instanceof ExportException ) throw (ExportException) e.getCause();
  26                         throw new ExportException( e );
  27                 }
  28         }
  29
  30
  31 }