X-Git-Url: https://gerrit.simantics.org/r/gitweb?a=blobdiff_plain;f=bundles%2Forg.simantics.db.common%2Fsrc%2Forg%2Fsimantics%2Fdb%2Fcommon%2Frequest%2FMappedTypedPartsAsync.java;fp=bundles%2Forg.simantics.db.common%2Fsrc%2Forg%2Fsimantics%2Fdb%2Fcommon%2Frequest%2FMappedTypedPartsAsync.java;h=78f33fbf2660ed2360a825559431a94cc8c7f2f3;hb=969bd23cab98a79ca9101af33334000879fb60c5;hp=0000000000000000000000000000000000000000;hpb=866dba5cd5a3929bbeae85991796acb212338a08;p=simantics%2Fplatform.git

diff --git a/bundles/org.simantics.db.common/src/org/simantics/db/common/request/MappedTypedPartsAsync.java b/bundles/org.simantics.db.common/src/org/simantics/db/common/request/MappedTypedPartsAsync.java
new file mode 100644
index 000000000..78f33fbf2
--- /dev/null
+++ b/bundles/org.simantics.db.common/src/org/simantics/db/common/request/MappedTypedPartsAsync.java
@@ -0,0 +1,136 @@
+/*******************************************************************************
+ * Copyright (c) 2007, 2010 Association for Decentralized Information Management
+ * in Industry THTH ry.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ *     VTT Technical Research Centre of Finland - initial API and implementation
+ *******************************************************************************/
+package org.simantics.db.common.request;
+
+import java.util.HashMap;
+import java.util.Map;
+import java.util.Set;
+
+import org.simantics.db.AsyncReadGraph;
+import org.simantics.db.Resource;
+import org.simantics.db.common.ProcedureBarrier;
+import org.simantics.db.procedure.AsyncMultiProcedure;
+import org.simantics.db.procedure.AsyncProcedure;
+import org.simantics.layer0.Layer0;
+import org.simantics.operation.Layer0X;
+
+public class MappedTypedPartsAsync extends ResourceAsyncRead2<Map<Resource, Resource>> {
+
+    public MappedTypedPartsAsync(Resource realization, Resource type) {
+        super(realization, type);
+    }
+    
+    @Override
+    public void perform(AsyncReadGraph graph, final AsyncProcedure<Map<Resource, Resource>> procedure) {
+
+    	final Layer0 L0 = graph.getService(Layer0.class);
+    	final Layer0X L0X = graph.getService(Layer0X.class);
+    	final HashMap<Resource, Resource> result = new HashMap<Resource, Resource>();
+    	final ProcedureBarrier<Map<Resource, Resource>> ready = new ProcedureBarrier<Map<Resource, Resource>>(1);
+    	
+    	graph.forEachObject(resource, L0.ConsistsOf, new AsyncMultiProcedure<Resource>() {
+
+			@Override
+			public void execute(AsyncReadGraph graph, final Resource object) {
+				
+				ready.incrementAndGet();
+				
+				graph.forTypes(object, new AsyncProcedure<Set<Resource>>() {
+					
+					@Override
+					public void execute(AsyncReadGraph graph, Set<Resource> types) {
+
+						if(types.contains(resource2)) {
+							
+							graph.forEachObject(object, L0X.Represents, new AsyncMultiProcedure<Resource>() {
+
+								@Override
+								public void execute(AsyncReadGraph graph, Resource mapped) {
+									
+									synchronized(result) {
+										result.put(mapped, object);
+									}
+									
+								}
+
+								@Override
+								public void finished(AsyncReadGraph graph) {
+
+									ready.dec(graph, procedure, result);
+									
+								}
+
+								@Override
+								public void exception(AsyncReadGraph graph, Throwable throwable) {
+									
+									ready.except(throwable);
+									ready.dec(graph, procedure, result);
+									
+								}
+								
+							});
+							
+						} else {
+							
+							ready.dec(graph, procedure, result);
+
+						}
+						
+					}
+					
+					@Override
+					public void exception(AsyncReadGraph graph, Throwable throwable) {
+						
+						ready.except(throwable);
+						ready.dec(graph, procedure, result);
+						
+					}
+					
+				});
+				
+			}
+
+			@Override
+			public void finished(AsyncReadGraph graph) {
+				
+				ready.dec(graph, procedure, result);
+				
+			}
+
+			@Override
+			public void exception(AsyncReadGraph graph, Throwable throwable) {
+				
+				ready.except(throwable);
+				ready.dec(graph, procedure, result);
+				
+			}
+    		
+    	});
+    	
+    }
+    
+//    @Override
+//    public Map<Resource, Resource> perform(ReadGraph graph) throws DatabaseException {
+//        
+//        Builtins b = graph.getBuiltins();
+//        Map<Resource, Resource> result = new HashMap<Resource, Resource>();
+//        
+//        for(Resource part : graph.syncRequest(new ObjectsWithType(resource, b.ConsistsOf, resource2))) {
+//        	Resource represents = graph.getPossibleObject(part, b.Represents);
+//        	if(represents != null) result.put(represents, part);
+//        }
+//        
+//        return result;
+//        
+//    }
+
+}