--- /dev/null
+/*******************************************************************************\r
+ * Copyright (c) 2007, 2010 Association for Decentralized Information Management\r
+ * in Industry THTH ry.\r
+ * All rights reserved. This program and the accompanying materials\r
+ * are made available under the terms of the Eclipse Public License v1.0\r
+ * which accompanies this distribution, and is available at\r
+ * http://www.eclipse.org/legal/epl-v10.html\r
+ *\r
+ * Contributors:\r
+ * VTT Technical Research Centre of Finland - initial API and implementation\r
+ *******************************************************************************/\r
+package org.simantics.db.layer0.adapter.impl;\r
+\r
+import java.util.ArrayList;\r
+import java.util.Collections;\r
+import java.util.Set;\r
+import java.util.concurrent.atomic.AtomicInteger;\r
+\r
+import org.simantics.db.AsyncReadGraph;\r
+import org.simantics.db.ReadGraph;\r
+import org.simantics.db.Resource;\r
+import org.simantics.db.Statement;\r
+import org.simantics.db.common.primitiverequest.Superrelations;\r
+import org.simantics.db.common.procedure.adapter.TransientCacheAsyncMultiListener;\r
+import org.simantics.db.common.request.ReadRequest;\r
+import org.simantics.db.common.request.ResourceAsyncMultiRead;\r
+import org.simantics.db.common.utils.NameUtils;\r
+import org.simantics.db.exception.DatabaseException;\r
+import org.simantics.db.procedure.AsyncMultiProcedure;\r
+import org.simantics.db.procedure.AsyncProcedure;\r
+import org.simantics.layer0.Layer0;\r
+\r
+public class EntitySubgraphExtent extends TypeSubgraphExtent {\r
+\r
+ public static boolean DEBUG = false;\r
+\r
+ static class DefinedRelationSet extends ResourceAsyncMultiRead<Resource> {\r
+\r
+ public DefinedRelationSet(Resource type) {\r
+ super(type);\r
+ }\r
+\r
+ public void forType(AsyncReadGraph graph, Resource type, final AsyncMultiProcedure<Resource> procedure, final AtomicInteger ready) {\r
+\r
+ final Layer0 l0 = graph.getService(Layer0.class);\r
+\r
+ ready.incrementAndGet();\r
+\r
+ graph.forEachObject(type, l0.HasPropertyDefinition, new AsyncMultiProcedure<Resource>() {\r
+\r
+ @Override\r
+ public void execute(AsyncReadGraph graph, Resource def) {\r
+\r
+ ready.incrementAndGet();\r
+\r
+ graph.forPossibleObject(def, l0.ConcernsRelation, new AsyncProcedure<Resource>() {\r
+\r
+ @Override\r
+ public void execute(AsyncReadGraph graph, Resource relation) {\r
+ if(relation != null) procedure.execute(graph, relation);\r
+ if(ready.decrementAndGet() == 0) procedure.finished(graph);\r
+ }\r
+\r
+ @Override\r
+ public void exception(AsyncReadGraph graph, Throwable throwable) {\r
+ throwable.printStackTrace();\r
+ }\r
+\r
+ });\r
+\r
+ }\r
+\r
+ @Override\r
+ public void finished(AsyncReadGraph graph) {\r
+\r
+ if(ready.decrementAndGet() == 0) procedure.finished(graph);\r
+\r
+ }\r
+\r
+ @Override\r
+ public void exception(AsyncReadGraph graph, Throwable throwable) {\r
+ throwable.printStackTrace();\r
+ }\r
+\r
+ });\r
+\r
+ }\r
+\r
+ @Override\r
+ public void perform(AsyncReadGraph graph, final AsyncMultiProcedure<Resource> procedure) {\r
+\r
+ final AtomicInteger ready = new AtomicInteger(1);\r
+\r
+ forType(graph, resource, procedure, ready);\r
+\r
+ graph.forSupertypes(resource, new AsyncProcedure<Set<Resource>>() {\r
+\r
+ @Override\r
+ public void execute(AsyncReadGraph graph, Set<Resource> types) {\r
+\r
+ for(Resource type : types) forType(graph, type, procedure, ready);\r
+\r
+ if(ready.decrementAndGet() == 0) procedure.finished(graph);\r
+\r
+ }\r
+\r
+ @Override\r
+ public void exception(AsyncReadGraph graph, Throwable throwable) {\r
+ throwable.printStackTrace();\r
+ }\r
+\r
+ });\r
+\r
+ }\r
+\r
+ }\r
+\r
+ @Override\r
+ public void accept(AsyncReadGraph graph, final Resource resource, final AsyncProcedure<Classifier> procedure, final Callback callback) {\r
+\r
+ final AtomicInteger ready = new AtomicInteger(1);\r
+\r
+ class Result extends TransientCacheAsyncMultiListener<Resource> implements Classifier {\r
+\r
+ final ArrayList<Resource> predicates = new ArrayList<Resource>();\r
+\r
+ @Override\r
+ public void exception(AsyncReadGraph graph, Throwable throwable) {\r
+ throwable.printStackTrace();\r
+ }\r
+\r
+ @Override\r
+ public void execute(AsyncReadGraph graph, Resource predicate) {\r
+ synchronized(predicates) {\r
+ predicates.add(predicate);\r
+ }\r
+ }\r
+\r
+ @Override\r
+ public void finished(AsyncReadGraph graph) {\r
+ if(ready.decrementAndGet() == 0) procedure.execute(graph, this);\r
+ }\r
+\r
+ @Override\r
+ public void classify(AsyncReadGraph graph, final Statement statement, ExtentStatus objectExtent, final Callback callback) {\r
+\r
+ if(DEBUG) {\r
+ graph.asyncRequest(new ReadRequest() {\r
+\r
+ @Override\r
+ public void run(ReadGraph graph) throws DatabaseException {\r
+ System.out.println("classify " + NameUtils.toString(graph, statement));\r
+ }\r
+\r
+ });\r
+ }\r
+\r
+ // TODO haxx\r
+ final Resource p = statement.getPredicate();\r
+ if(graph.getService(Layer0.class).PartOf.equals(p) && !ExtentStatus.INTERNAL.equals(objectExtent)) return; \r
+ // TODO haxx2\r
+ if(ExtentStatus.EXCLUDED.equals(objectExtent)) return;\r
+\r
+ if(predicates.contains(p)) {\r
+ callback.statement(statement, true);\r
+\r
+ if(DEBUG) {\r
+ graph.asyncRequest(new ReadRequest() {\r
+\r
+ @Override\r
+ public void run(ReadGraph graph) throws DatabaseException {\r
+ System.out.println("-accept " + NameUtils.toString(graph, statement));\r
+ }\r
+\r
+ });\r
+ }\r
+\r
+ return;\r
+ }\r
+\r
+ graph.forDirectSuperrelations(p, new AsyncMultiProcedure<Resource>() {\r
+\r
+ @Override\r
+ public void exception(AsyncReadGraph graph, Throwable throwable) {\r
+ throwable.printStackTrace();\r
+ }\r
+\r
+ @Override\r
+ public void execute(AsyncReadGraph graph, final Resource superRelation) {\r
+\r
+\r
+ if(predicates.contains(superRelation)) {\r
+ callback.statement(statement, true);\r
+\r
+ if(DEBUG) {\r
+ graph.asyncRequest(new ReadRequest() {\r
+\r
+ @Override\r
+ public void run(ReadGraph graph) throws DatabaseException {\r
+ System.out.println("-accept " + NameUtils.toString(graph, statement));\r
+ }\r
+\r
+ });\r
+ }\r
+\r
+ return;\r
+ }\r
+\r
+ graph.asyncRequest(new Superrelations(superRelation), new AsyncProcedure<Set<Resource>>() {\r
+\r
+ @Override\r
+ public void exception(AsyncReadGraph graph, Throwable t) {\r
+ t.printStackTrace();\r
+ }\r
+\r
+ @Override\r
+ public void execute(AsyncReadGraph graph, Set<Resource> supers) {\r
+\r
+ if(!Collections.disjoint(supers, predicates)) {\r
+\r
+ if(DEBUG) {\r
+ graph.asyncRequest(new ReadRequest() {\r
+\r
+ @Override\r
+ public void run(ReadGraph graph) throws DatabaseException {\r
+ System.out.println("-accept " + NameUtils.toString(graph, statement));\r
+ }\r
+\r
+ });\r
+ }\r
+\r
+ callback.statement(statement, true);\r
+\r
+ }\r
+\r
+ }\r
+\r
+ });\r
+\r
+ }\r
+\r
+ @Override\r
+ public void finished(AsyncReadGraph graph) {\r
+ }\r
+\r
+ });\r
+\r
+ }\r
+\r
+ };\r
+\r
+ final Result result = new Result();\r
+\r
+ graph.forEachPrincipalType(resource, new AsyncMultiProcedure<Resource>() {\r
+\r
+ @Override\r
+ public void execute(AsyncReadGraph graph, Resource type) {\r
+ ready.incrementAndGet();\r
+ graph.asyncRequest(new DefinedRelationSet(type), result);\r
+ }\r
+\r
+ @Override\r
+ public void finished(AsyncReadGraph graph) {\r
+ if(ready.decrementAndGet() == 0) procedure.execute(graph, result);\r
+ }\r
+\r
+ @Override\r
+ public void exception(AsyncReadGraph graph, Throwable throwable) {\r
+ throwable.printStackTrace();\r
+ }\r
+\r
+ });\r
+\r
+ }\r
+\r
+}\r
Code Review / simantics / platform.git / blobdiff