Migrated source code from Simantics SVN

[simantics/platform.git] / bundles / org.simantics.modeling / src / org / simantics / modeling / ComponentTypeSubstructure.java

diff --git a/bundles/org.simantics.modeling/src/org/simantics/modeling/ComponentTypeSubstructure.java b/bundles/org.simantics.modeling/src/org/simantics/modeling/ComponentTypeSubstructure.java
new file mode 100644 (file)
index 0000000..4e1478b
--- /dev/null
+++ b/bundles/org.simantics.modeling/src/org/simantics/modeling/ComponentTypeSubstructure.java
@@ -0,0 +1,107 @@
+package org.simantics.modeling;\r
+\r
+import gnu.trove.map.hash.THashMap;\r
+\r
+import java.util.Collections;\r
+import java.util.Map;\r
+\r
+import org.simantics.db.ReadGraph;\r
+import org.simantics.db.RequestProcessor;\r
+import org.simantics.db.Resource;\r
+import org.simantics.db.common.request.ResourceRead;\r
+import org.simantics.db.common.uri.UnescapedChildMapOfResource;\r
+import org.simantics.db.exception.DatabaseException;\r
+import org.simantics.db.layer0.request.PropertyInfo;\r
+import org.simantics.db.layer0.request.PropertyInfoRequest;\r
+import org.simantics.layer0.Layer0;\r
+import org.simantics.scl.compiler.types.Type;\r
+import org.simantics.structural.stubs.StructuralResource2;\r
+import org.simantics.utils.datastructures.Pair;\r
+\r
+/**\r
+ * Contains necessary information about a component type to represent its\r
+ * variable space.\r
+ * \r
+ * @author Hannu Niemistö\r
+ */\r
+public class ComponentTypeSubstructure {\r
+    \r
+    public final THashMap<String, Type> properties;\r
+    public final Map<String, ComponentTypeSubstructure> children;\r
+    \r
+    private ComponentTypeSubstructure(THashMap<String, Type> properties,\r
+            Map<String, ComponentTypeSubstructure> children) {\r
+        this.properties = properties;\r
+        this.children = children;\r
+    }\r
+    \r
+    public Pair<String,Type> possibleTypedRVI(String name) {\r
+        StringBuilder b = new StringBuilder();\r
+        int namePos = 0;\r
+        ComponentTypeSubstructure substructure = this;\r
+        \r
+        // Find the children\r
+        int p;\r
+        while( (p = name.indexOf('.', namePos)) >= 0 ) {\r
+            String childName = name.substring(namePos, p);\r
+            ComponentTypeSubstructure childSubstructure = substructure.children.get(childName);\r
+            if(childSubstructure == null)\r
+                return null;\r
+            b.append('/').append(childName);\r
+            namePos = p+1;\r
+            substructure = childSubstructure;\r
+        }\r
+        \r
+        // Find the property\r
+        String propertyName = name.substring(namePos);\r
+        Type type = substructure.properties.get(propertyName);\r
+        if(type == null)\r
+            return null;\r
+        b.append('#').append(propertyName);\r
+        return Pair.make(b.toString(), type);\r
+    }\r
+\r
+    public static ComponentTypeSubstructure forType(RequestProcessor processor, Resource componentType) throws DatabaseException {\r
+        return processor.syncRequest(new ResourceRead<ComponentTypeSubstructure>(componentType) {\r
+            @Override\r
+            public ComponentTypeSubstructure perform(ReadGraph graph)\r
+                    throws DatabaseException {\r
+                // Properties\r
+                THashMap<String, Type> properties = new THashMap<String, Type>();\r
+                collect(graph, resource, properties);\r
+                for(Resource t : graph.getSupertypes(resource)) collect(graph, t, properties);\r
+                \r
+                // Children\r
+                Map<String, ComponentTypeSubstructure> children;\r
+                \r
+                StructuralResource2 STR = StructuralResource2.getInstance(graph);\r
+                Resource composite = graph.getPossibleObject(resource, STR.IsDefinedBy);\r
+                if(composite == null)\r
+                    children = Collections.<String, ComponentTypeSubstructure>emptyMap();\r
+                else {\r
+                    Map<String, Resource> childMap = graph.syncRequest(new UnescapedChildMapOfResource(composite));\r
+                    children = new THashMap<String, ComponentTypeSubstructure>(childMap.size());\r
+                    for(Map.Entry<String,Resource> entry : childMap.entrySet()) {\r
+                        Resource component = entry.getValue();\r
+                        Resource type = graph.getPossibleType(component, STR.Component);\r
+                        if(type != null)\r
+                            children.put(entry.getKey(), forType(graph, type));\r
+                    }\r
+                }\r
+                    \r
+                // Return the result\r
+                return new ComponentTypeSubstructure(properties, children);\r
+            }\r
+        });\r
+    }\r
+    \r
+    private static void collect(ReadGraph graph, Resource t, THashMap<String, Type> result) throws DatabaseException {\r
+        Layer0 L0 = Layer0.getInstance(graph);\r
+        for(Resource relation : graph.getObjects(t, L0.DomainOf)) {\r
+            if(graph.isSubrelationOf(relation, L0.HasProperty)) {\r
+                PropertyInfo propertyInfo = graph.syncRequest(new PropertyInfoRequest(relation));\r
+                result.put(propertyInfo.name, SCLTypeUtils.getType(propertyInfo));\r
+            }\r
+        }\r
+    }\r
+}\r