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

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