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

   1 /*******************************************************************************
   2  * Copyright (c) 2007, 2011 Association for Decentralized Information Management in
   3  * Industry THTH ry.
   4  * All rights reserved. This program and the accompanying materials
   5  * are made available under the terms of the Eclipse Public License v1.0
   6  * which accompanies this distribution, and is available at
   7  * http://www.eclipse.org/legal/epl-v10.html
   8  *
   9  * Contributors:
  10  *     VTT Technical Research Centre of Finland - initial API and implementation
  11  *******************************************************************************/
  12 package org.simantics.issues.common;
  13
  14 import java.util.Collection;
  15 import java.util.Set;
  16
  17 import org.simantics.db.ReadGraph;
  18 import org.simantics.db.Resource;
  19 import org.simantics.db.common.request.TernaryRead;
  20 import org.simantics.db.exception.DatabaseException;
  21 import org.simantics.issues.Severity;
  22 import org.simantics.issues.ontology.IssueResource;
  23
  24 /**
  25  * @author Tuukka Lehtonen
  26  */
  27 public class MaxIssueSeverityRecursive extends TernaryRead<Resource, Resource, Set<Resource>, Severity> {
  28
  29     public MaxIssueSeverityRecursive(Resource resource, Resource childRelation, Set<Resource> typesToRecurse) {
  30         super(resource, childRelation, typesToRecurse);
  31     }
  32
  33     @Override
  34     public Severity perform(ReadGraph graph) throws DatabaseException {
  35
  36         IssueResource ISSUE = graph.getService(IssueResource.class);
  37
  38         Collection<Resource> inv = graph.getObjects(parameter, ISSUE.Issue_HasContext_Inverse);
  39         Collection<Resource> inv2 = graph.getObjects(parameter, ISSUE.Issue_ContextList_Element_Inverse);
  40         if(inv.isEmpty() && inv2.isEmpty()) {
  41             return graph.syncRequest(new ChildMaxIssueSeverity(parameter, parameter2, parameter3));
  42         }
  43
  44         Severity max = graph.syncRequest(new MaxIssueSeveritySingle(parameter));
  45         if(max != null)
  46             return max;
  47         else
  48             return graph.syncRequest(new ChildMaxIssueSeverity(parameter, parameter2, parameter3));
  49
  50     }
  51
  52 }