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

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