X-Git-Url: https://gerrit.simantics.org/r/gitweb?a=blobdiff_plain;f=bundles%2Forg.simantics.modeling%2Fsrc%2Forg%2Fsimantics%2Fmodeling%2FComponentTypeSubstructure.java;fp=bundles%2Forg.simantics.modeling%2Fsrc%2Forg%2Fsimantics%2Fmodeling%2FComponentTypeSubstructure.java;h=4e1478b3d5e526efa26170a6e16c2a7ea37814ba;hb=969bd23cab98a79ca9101af33334000879fb60c5;hp=0000000000000000000000000000000000000000;hpb=866dba5cd5a3929bbeae85991796acb212338a08;p=simantics%2Fplatform.git

diff --git a/bundles/org.simantics.modeling/src/org/simantics/modeling/ComponentTypeSubstructure.java b/bundles/org.simantics.modeling/src/org/simantics/modeling/ComponentTypeSubstructure.java
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index 000000000..4e1478b3d
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+++ b/bundles/org.simantics.modeling/src/org/simantics/modeling/ComponentTypeSubstructure.java
@@ -0,0 +1,107 @@
+package org.simantics.modeling;
+
+import gnu.trove.map.hash.THashMap;
+
+import java.util.Collections;
+import java.util.Map;
+
+import org.simantics.db.ReadGraph;
+import org.simantics.db.RequestProcessor;
+import org.simantics.db.Resource;
+import org.simantics.db.common.request.ResourceRead;
+import org.simantics.db.common.uri.UnescapedChildMapOfResource;
+import org.simantics.db.exception.DatabaseException;
+import org.simantics.db.layer0.request.PropertyInfo;
+import org.simantics.db.layer0.request.PropertyInfoRequest;
+import org.simantics.layer0.Layer0;
+import org.simantics.scl.compiler.types.Type;
+import org.simantics.structural.stubs.StructuralResource2;
+import org.simantics.utils.datastructures.Pair;
+
+/**
+ * Contains necessary information about a component type to represent its
+ * variable space.
+ * 
+ * @author Hannu Niemistö
+ */
+public class ComponentTypeSubstructure {
+    
+    public final THashMap<String, Type> properties;
+    public final Map<String, ComponentTypeSubstructure> children;
+    
+    private ComponentTypeSubstructure(THashMap<String, Type> properties,
+            Map<String, ComponentTypeSubstructure> children) {
+        this.properties = properties;
+        this.children = children;
+    }
+    
+    public Pair<String,Type> possibleTypedRVI(String name) {
+        StringBuilder b = new StringBuilder();
+        int namePos = 0;
+        ComponentTypeSubstructure substructure = this;
+        
+        // Find the children
+        int p;
+        while( (p = name.indexOf('.', namePos)) >= 0 ) {
+            String childName = name.substring(namePos, p);
+            ComponentTypeSubstructure childSubstructure = substructure.children.get(childName);
+            if(childSubstructure == null)
+                return null;
+            b.append('/').append(childName);
+            namePos = p+1;
+            substructure = childSubstructure;
+        }
+        
+        // Find the property
+        String propertyName = name.substring(namePos);
+        Type type = substructure.properties.get(propertyName);
+        if(type == null)
+            return null;
+        b.append('#').append(propertyName);
+        return Pair.make(b.toString(), type);
+    }
+
+    public static ComponentTypeSubstructure forType(RequestProcessor processor, Resource componentType) throws DatabaseException {
+        return processor.syncRequest(new ResourceRead<ComponentTypeSubstructure>(componentType) {
+            @Override
+            public ComponentTypeSubstructure perform(ReadGraph graph)
+                    throws DatabaseException {
+                // Properties
+                THashMap<String, Type> properties = new THashMap<String, Type>();
+                collect(graph, resource, properties);
+                for(Resource t : graph.getSupertypes(resource)) collect(graph, t, properties);
+                
+                // Children
+                Map<String, ComponentTypeSubstructure> children;
+                
+                StructuralResource2 STR = StructuralResource2.getInstance(graph);
+                Resource composite = graph.getPossibleObject(resource, STR.IsDefinedBy);
+                if(composite == null)
+                    children = Collections.<String, ComponentTypeSubstructure>emptyMap();
+                else {
+                    Map<String, Resource> childMap = graph.syncRequest(new UnescapedChildMapOfResource(composite));
+                    children = new THashMap<String, ComponentTypeSubstructure>(childMap.size());
+                    for(Map.Entry<String,Resource> entry : childMap.entrySet()) {
+                        Resource component = entry.getValue();
+                        Resource type = graph.getPossibleType(component, STR.Component);
+                        if(type != null)
+                            children.put(entry.getKey(), forType(graph, type));
+                    }
+                }
+                    
+                // Return the result
+                return new ComponentTypeSubstructure(properties, children);
+            }
+        });
+    }
+    
+    private static void collect(ReadGraph graph, Resource t, THashMap<String, Type> result) throws DatabaseException {
+        Layer0 L0 = Layer0.getInstance(graph);
+        for(Resource relation : graph.getObjects(t, L0.DomainOf)) {
+            if(graph.isSubrelationOf(relation, L0.HasProperty)) {
+                PropertyInfo propertyInfo = graph.syncRequest(new PropertyInfoRequest(relation));
+                result.put(propertyInfo.name, SCLTypeUtils.getType(propertyInfo));
+            }
+        }
+    }
+}