bundles/org.simantics.db.layer0/src/org/simantics/db/layer0/validation/ValidationUtils.java

   1 package org.simantics.db.layer0.validation;
   2
   3 import java.util.ArrayList;
   4 import java.util.Collections;
   5 import java.util.List;
   6 import java.util.Map;
   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.utils.Functions;
  13 import org.simantics.db.common.utils.Logger;
  14 import org.simantics.db.exception.DatabaseException;
  15 import org.simantics.db.layer0.adapter.SubgraphExtent.ExtentStatus;
  16 import org.simantics.db.layer0.util.DomainProcessor3;
  17 import org.simantics.db.layer0.util.ModelTransferableGraphSourceRequest;
  18 import org.simantics.layer0.Layer0;
  19
  20 import gnu.trove.set.hash.THashSet;
  21
  22 public class ValidationUtils {
  23
  24     /**
  25      * Performs L0.Constraint validations for the specified resource and puts
  26      * the resulting issues in the specified {@link Issue} set. If the specified
  27      * issue set is <code>null</code>, a new set will be created and returned.
  28      * Otherwise the method function will return the same set as its return
  29      * value.
  30      *
  31      * @param graph
  32      *            database read access handle
  33      * @param r
  34      *            resource to validate against ontology-defined constraints
  35      * @param result
  36      *            a set for the resulting issues or <code>null</code> to
  37      *            allocate a new set if necessary
  38      * @return the discovered set of issues in <code>r</code>
  39      * @throws DatabaseException
  40      */
  41     public static Set<Issue> validateConstraints(ReadGraph graph, Resource r, Set<Issue> result) throws DatabaseException {
  42         Layer0 L0 = Layer0.getInstance(graph);
  43
  44         for (Resource constraint : graph.syncRequest(new GetConstraints(r))) {
  45             try {
  46                 Resource function = graph.getSingleObject(constraint, L0.Constraint_Validator);
  47                 @SuppressWarnings("unchecked")
  48                 List<Issue> issues = (List<Issue>)Functions.exec(graph, function, graph, r);
  49                 if (issues != null && !issues.isEmpty()) {
  50                     if (result == null)
  51                         result = new THashSet<Issue>();
  52                     result.addAll(issues);
  53                 }
  54             } catch (Throwable t) {
  55                 Logger.defaultLogError(t);
  56             }
  57         }
  58
  59         return result != null ? result : Collections.<Issue>emptySet();
  60     }
  61
  62     public static Set<Issue> validateConstraints(ReadGraph graph, Resource r) throws DatabaseException {
  63         return validateConstraints(graph, r, null);
  64     }
  65
  66     public static List<Issue> validateConstraintsForDomain(ReadGraph graph, Resource r) throws DatabaseException {
  67         Set<Issue> result = null;
  68
  69         DomainProcessor3 dp = ModelTransferableGraphSourceRequest.getDomainOnly(graph, null, r);
  70         for(Map.Entry<Resource,ExtentStatus> status : dp.getStatus().entrySet()) {
  71             if(ExtentStatus.INTERNAL.equals(status.getValue())) {
  72                 Resource rr = status.getKey();
  73                 Set<Issue> issues = validateConstraints(graph, rr, result);
  74                 if (!issues.isEmpty())
  75                     result = issues;
  76             }
  77         }
  78
  79         return result != null ? new ArrayList(result) : Collections.<Issue>emptyList();
  80     }
  81
  82 }