bundles/org.simantics.db.impl/src/org/simantics/db/impl/query/SuperTypes.java

   1 /*******************************************************************************
   2  * Copyright (c) 2007, 2018 Association for Decentralized Information Management
   3  * in 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.db.impl.query;
  13
  14 import org.simantics.db.exception.DatabaseException;
  15 import org.simantics.db.impl.graph.ReadGraphImpl;
  16 import org.simantics.db.impl.procedure.InternalProcedure;
  17
  18 import gnu.trove.procedure.TIntProcedure;
  19
  20 public final class SuperTypes extends UnaryQueryPIntSet {
  21
  22     SuperTypes(int resource) {
  23         super(resource);
  24     }
  25
  26     @Override
  27     public final void removeEntry(QueryProcessor provider) {
  28         provider.cache.remove(this);
  29     }
  30
  31     @Override
  32     public void compute(ReadGraphImpl graph, final InternalProcedure<IntSet> procedure) throws DatabaseException {
  33         computeForEach(graph, id, this, procedure);
  34     }
  35
  36     public static Object computeForEach(ReadGraphImpl graph, int r, SuperTypes entry, final InternalProcedure<IntSet> procedure_) throws DatabaseException {
  37
  38         InternalProcedure<IntSet> procedure = entry != null ? entry : procedure_;
  39
  40         QueryProcessor provider = graph.processor;
  41
  42         final int inherits = provider.getInherits();
  43
  44         final IntSet result = new IntSet(provider.querySupport);
  45
  46         final TIntProcedure addToResult = new TIntProcedure() {
  47             @Override
  48             public boolean execute(int r) {
  49                 synchronized(result) {
  50                     result.add(r);
  51                 }
  52                 return true;
  53             }
  54         };
  55
  56         QueryCache.runnerDirectObjects(graph, r, inherits, entry, null, new SyncIntProcedure() {
  57
  58             @Override
  59             public void run(ReadGraphImpl graph) throws DatabaseException {
  60                 procedure.execute(graph, result);
  61             }
  62
  63             @Override
  64             public void execute(ReadGraphImpl graph, final int i) throws DatabaseException {
  65
  66                 synchronized(result) {
  67                     result.add(i);
  68                 }
  69
  70                 inc();
  71
  72                 QueryCache.runnerSuperTypes(graph, i, entry, null, new InternalProcedure<IntSet>() {
  73
  74                     @Override
  75                     public void execute(ReadGraphImpl graph, IntSet types) throws DatabaseException {
  76
  77                         types.forEach(addToResult);
  78                         dec(graph);
  79
  80                     }
  81
  82                     @Override
  83                     public void exception(ReadGraphImpl graph, Throwable t) throws DatabaseException {
  84                         procedure.exception(graph, t);
  85                     }
  86
  87                 });
  88
  89             }
  90
  91             @Override
  92             public void finished(ReadGraphImpl graph) throws DatabaseException {
  93                 dec(graph);
  94             }
  95
  96         });
  97
  98         if(entry != null) entry.performFromCache(graph, procedure_);
  99
 100         return result;
 101
 102     }
 103
 104     @Override
 105     public String toString() {
 106         return "SuperTypes[" + id + "]";
 107     }
 108
 109 }