bundles/org.simantics.issues.common/src/org/simantics/issues/common/BatchIssueDescriptions.java

   1 package org.simantics.issues.common;
   2
   3 import gnu.trove.set.hash.THashSet;
   4
   5 import java.util.Collection;
   6 import java.util.Collections;
   7 import java.util.Set;
   8
   9 import org.simantics.db.Issue;
  10 import org.simantics.db.ReadGraph;
  11 import org.simantics.db.Resource;
  12 import org.simantics.db.common.request.ResourceRead2;
  13 import org.simantics.db.common.utils.ListUtils;
  14 import org.simantics.db.exception.DatabaseException;
  15 import org.simantics.issues.ontology.IssueResource;
  16
  17 public class BatchIssueDescriptions extends ResourceRead2<Set<Issue>> {
  18
  19         public BatchIssueDescriptions(Resource source, Resource context) {
  20                 super(source, context);
  21         }
  22
  23         @Override
  24         public Set<Issue> perform(ReadGraph graph) throws DatabaseException {
  25                 IssueResource ISSUE = IssueResource.getInstance(graph);
  26                 Collection<Resource> issues = graph.syncRequest(new ManagedIssues(resource));
  27                 if (issues.isEmpty())
  28                         return Collections.emptySet();
  29                 Set<Issue> result = new THashSet<Issue>(issues.size());
  30                 for(Resource issue :  issues) {
  31                 Resource list = graph.getSingleObject(issue, ISSUE.Issue_HasContexts);
  32                 if(ListUtils.toList(graph, list).contains(resource2)) {
  33                                 result.add(graph.sync(new StandardIssueDescription(issue)));
  34                         }
  35                 }
  36                 return result;
  37         }
  38
  39 }