bundles/org.simantics.issues.common/src/org/simantics/issues/common/ChildMaxIssueSeverity.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.Collections;
  15 import java.util.Set;
  16 import java.util.concurrent.atomic.AtomicReference;
  17
  18 import org.simantics.db.AsyncReadGraph;
  19 import org.simantics.db.Resource;
  20 import org.simantics.db.common.request.TernaryAsyncRead;
  21 import org.simantics.db.procedure.AsyncMultiProcedure;
  22 import org.simantics.db.procedure.AsyncProcedure;
  23 import org.simantics.issues.Severity;
  24
  25 /**
  26  * @author Tuukka Lehtonen
  27  */
  28 public class ChildMaxIssueSeverity extends TernaryAsyncRead<Resource, Resource, Set<Resource>, Severity>{
  29
  30     public ChildMaxIssueSeverity(Resource resource, Resource childRelation, Set<Resource> typesToRecurse) {
  31         super(resource, childRelation, typesToRecurse);
  32     }
  33
  34 //    @Override
  35 //    public Severity perform(ReadGraph graph) throws DatabaseException {
  36 //        Severity maxSeverity = null;
  37 //        //System.out.println("severityForChildren: " + NameUtils.getSafeName(graph, resource));
  38 //        for (Resource child : graph.getObjects(resource, resource2)) {
  39 //            Severity s = graph.syncRequest(new MaxIssueSeverityRecursive(child));
  40 //            maxSeverity = Severity.moreSevere(maxSeverity, s);
  41 //        }
  42 //        //System.out.println("severityForChildren: " + NameUtils.getSafeName(graph, resource) + " : " + maxSeverity);
  43 //        return maxSeverity;
  44 //    }
  45
  46     @Override
  47     public void perform(AsyncReadGraph graph, final AsyncProcedure<Severity> procedure) {
  48         //System.out.println(getClass().getSimpleName() + ": " + parameter);
  49
  50         graph.forTypes(parameter, new AsyncProcedure<Set<Resource>>() {
  51             @Override
  52             public void execute(AsyncReadGraph graph, Set<Resource> result) {
  53                 if (!Collections.disjoint(parameter3, result)) {
  54                     checkChildren(graph, procedure);
  55                 } else {
  56                     procedure.execute(graph, null);
  57                 }
  58             }
  59             @Override
  60             public void exception(AsyncReadGraph graph, Throwable throwable) {
  61                 procedure.exception(graph, throwable);
  62             }
  63         });
  64     }
  65
  66     protected void checkChildren(AsyncReadGraph graph, final AsyncProcedure<Severity> procedure) {
  67         graph.forEachObject(parameter, parameter2, new AsyncMultiProcedure<Resource>() {
  68             AtomicReference<Severity> maxSeverity = new AtomicReference<Severity>();
  69             @Override
  70             public void execute(AsyncReadGraph graph, Resource child) {
  71                 graph.asyncRequest(new MaxIssueSeverityRecursive(child, parameter2, parameter3), new AsyncProcedure<Severity>() {
  72                     @Override
  73                     public void execute(AsyncReadGraph graph, Severity severity) {
  74                         if (severity != null) {
  75                             synchronized (maxSeverity) {
  76                                 maxSeverity.set(Severity.moreSevere(maxSeverity.get(), severity));
  77                             }
  78                         }
  79                     }
  80                     @Override
  81                     public void exception(AsyncReadGraph graph, Throwable throwable) {
  82                         procedure.exception(graph, throwable);
  83                     }
  84                 });
  85             }
  86             @Override
  87             public void finished(AsyncReadGraph graph) {
  88                 procedure.execute(graph, maxSeverity.get());
  89             }
  90             @Override
  91             public void exception(AsyncReadGraph graph, Throwable throwable) {
  92                 procedure.exception(graph, throwable);
  93             }
  94         });
  95     }
  96
  97 }