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.Set;
  15
  16 import org.simantics.db.AsyncReadGraph;
  17 import org.simantics.db.Resource;
  18 import org.simantics.db.common.request.TernaryAsyncRead;
  19 import org.simantics.db.procedure.AsyncMultiProcedure;
  20 import org.simantics.db.procedure.AsyncProcedure;
  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 TernaryAsyncRead<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 //        Layer0 L0 = Layer0.getInstance(graph);
  36 //        IssueResource ISSUE = IssueResource.getInstance(graph);
  37 //        //System.out.println("severity: " + NameUtils.getSafeName(graph, resource));
  38 //        Collection<Resource> issues = graph.getObjects(resource, ISSUE.IsIssueContextOf);
  39 //        if (issues.isEmpty()) {
  40 //            // This content does not have directly attached issues, try to look
  41 //            // for some in the child components.
  42 //            return graph.syncRequest(new ChildMaxIssueSeverity(resource, L0.ConsistsOf));
  43 //        }
  44 //
  45 //        Severity maxSeverity = graph.syncRequest(new MaxIssueSeveritySingle(resource));
  46 //        if (maxSeverity == null)
  47 //            maxSeverity = graph.syncRequest(new ChildMaxIssueSeverity(resource, L0.ConsistsOf));
  48 //
  49 //        return maxSeverity;
  50 //    }
  51
  52     @Override
  53     public void perform(AsyncReadGraph graph, final AsyncProcedure<Severity> procedure) {
  54         IssueResource ISSUE = graph.getService(IssueResource.class);
  55         //System.out.println(getClass().getSimpleName() + ": " + parameter);
  56
  57         graph.forEachObject(parameter, ISSUE.Issue_HasContext_Inverse, new AsyncMultiProcedure<Resource>() {
  58             volatile int issues = 0;
  59             @Override
  60             public void execute(AsyncReadGraph graph, Resource result) {
  61                 ++issues;
  62             }
  63             @Override
  64             public void finished(AsyncReadGraph graph) {
  65                 if (issues == 0) {
  66                     // This content does not have directly attached issues, try to look
  67                     // for some in the child components.
  68                     graph.asyncRequest(new ChildMaxIssueSeverity(parameter, parameter2, parameter3), procedure);
  69                 } else {
  70                     // Try local issues first
  71                     graph.asyncRequest(new MaxIssueSeveritySingle(parameter), new AsyncProcedure<Severity>() {
  72                         @Override
  73                         public void execute(AsyncReadGraph graph, Severity maxSeverity) {
  74                             if (maxSeverity == null)
  75                                 // No severity for local issues, try children next.
  76                                 graph.asyncRequest(new ChildMaxIssueSeverity(parameter, parameter2, parameter3), procedure);
  77                             else
  78                                 procedure.execute(graph, maxSeverity);
  79                         }
  80                         @Override
  81                         public void exception(AsyncReadGraph graph, Throwable throwable) {
  82                             procedure.exception(graph, throwable);
  83                         }
  84                     });
  85                 }
  86             }
  87             @Override
  88             public void exception(AsyncReadGraph graph, Throwable throwable) {
  89                 procedure.exception(graph, throwable);
  90             }
  91         });
  92     }
  93
  94 }