bundles/org.simantics.issues.ui/src/org/simantics/issues/ui/SeverityChildRule.java

   1 package org.simantics.issues.ui;
   2
   3 import java.util.Collection;
   4 import java.util.Collections;
   5
   6 import org.simantics.browsing.ui.model.children.ChildRule;
   7 import org.simantics.db.ReadGraph;
   8 import org.simantics.db.Resource;
   9 import org.simantics.db.exception.DatabaseException;
  10 import org.simantics.issues.common.IssuesOfSeverity;
  11 import org.simantics.issues.ui.ontology.IssueUIResource;
  12
  13 public class SeverityChildRule implements ChildRule {
  14
  15         final Resource rule;
  16
  17         public SeverityChildRule(Resource rule) {
  18                 this.rule = rule;
  19         }
  20
  21     @Override
  22     public boolean isCompatible(Class<?> contentType) {
  23         return contentType.equals(Resource.class);
  24     }
  25
  26     @Override
  27     public Collection<?> getChildren(ReadGraph graph, Object parent) throws DatabaseException {
  28
  29         IssueUIResource UI = IssueUIResource.getInstance(graph);
  30         Resource project = (Resource)parent;
  31         Resource severity = graph.getSingleObject(rule, UI.IssueBrowseContext_SeverityChildRule_HasSeverity);
  32         return graph.syncRequest(new IssuesOfSeverity(project, severity));
  33
  34     }
  35
  36     @Override
  37     public Collection<?> getParents(ReadGraph graph, Object child)
  38             throws DatabaseException {
  39         return Collections.singleton(child);
  40     }
  41
  42
  43 }