bundles/org.simantics.db.layer0/src/org/simantics/db/layer0/util/DomainStatementProcedure.java

   1 /*******************************************************************************\r
   2  * Copyright (c) 2007, 2010 Association for Decentralized Information Management\r
   3  * in Industry THTH ry.\r
   4  * All rights reserved. This program and the accompanying materials\r
   5  * are made available under the terms of the Eclipse Public License v1.0\r
   6  * which accompanies this distribution, and is available at\r
   7  * http://www.eclipse.org/legal/epl-v10.html\r
   8  *\r
   9  * Contributors:\r
  10  *     VTT Technical Research Centre of Finland - initial API and implementation\r
  11  *******************************************************************************/\r
  12 package org.simantics.db.layer0.util;\r
  13 \r
  14 import java.util.Collection;\r
  15 \r
  16 import org.simantics.db.AsyncReadGraph;\r
  17 import org.simantics.db.DirectStatements;\r
  18 import org.simantics.db.Resource;\r
  19 import org.simantics.db.Statement;\r
  20 import org.simantics.db.procedure.AsyncMultiProcedure;\r
  21 import org.simantics.db.procedure.AsyncProcedure;\r
  22 import org.simantics.db.service.DirectQuerySupport;\r
  23 import org.simantics.db.service.StatementSupport;\r
  24 import org.simantics.layer0.Layer0;\r
  25 \r
  26 final public class DomainStatementProcedure implements AsyncProcedure<DirectStatements> {\r
  27 \r
  28         final private DirectQuerySupport dqs;\r
  29         final private StatementSupport s;\r
  30         final private Layer0 l0;\r
  31         final private Collection<DirectStatements>[] results;\r
  32         final private Collection<Resource>[] listElements;\r
  33 \r
  34         public DomainStatementProcedure(DirectQuerySupport dqs, StatementSupport s, Layer0 l0, Collection<DirectStatements>[] results, Collection<Resource>[] listElements) {\r
  35                 this.dqs = dqs;\r
  36                 this.s = s;\r
  37                 this.l0 = l0;\r
  38                 this.results = results;\r
  39                 this.listElements = listElements;\r
  40         }\r
  41 \r
  42         @Override\r
  43         public void execute(AsyncReadGraph graph, final DirectStatements ds) {\r
  44 \r
  45                 int thread = graph.thread();\r
  46                 results[thread].add(ds);\r
  47 \r
  48                 for(final Statement stm : ds) {\r
  49 \r
  50                         if (s.isList(stm)) {\r
  51 \r
  52                                 graph.forIsSubrelationOf(stm.getPredicate(), l0.HasNext, new AsyncProcedure<Boolean>() {\r
  53 \r
  54                                         @Override\r
  55                                         public void execute(AsyncReadGraph graph, Boolean result) {\r
  56 \r
  57                                                 if (result) {\r
  58 \r
  59                                                         graph.forOrderedSet(stm.getSubject(),new AsyncMultiProcedure<Resource>() {\r
  60 \r
  61                                                                 @Override\r
  62                                                                 public void exception(AsyncReadGraph graph,Throwable throwable) {\r
  63                                                                         throwable.printStackTrace();\r
  64                                                                 }\r
  65 \r
  66                                                                 @Override\r
  67                                                                 public void execute(AsyncReadGraph graph, Resource item) {\r
  68                                                                         listElements[graph.thread()].add(item);\r
  69                                                                         //dqs.forEachDirectStatement(graph, item, DomainStatementProcedure.this);\r
  70                                                                 }\r
  71 \r
  72                                                                 @Override\r
  73                                                                 public void finished(AsyncReadGraph graph) {\r
  74                                                                 }\r
  75 \r
  76                                                         });\r
  77 \r
  78                                                 }\r
  79 \r
  80                                         }\r
  81 \r
  82                                         @Override\r
  83                                         public void exception(AsyncReadGraph graph,Throwable throwable) {\r
  84                                                 throwable.printStackTrace();\r
  85                                         }\r
  86 \r
  87                                 });\r
  88                                 \r
  89                         }\r
  90 \r
  91                 }\r
  92 \r
  93         }\r
  94 \r
  95         @Override\r
  96         public void exception(AsyncReadGraph graph, Throwable throwable) {\r
  97                 throwable.printStackTrace();\r
  98         }\r
  99 \r
 100 }\r