X-Git-Url: https://gerrit.simantics.org/r/gitweb?a=blobdiff_plain;f=bundles%2Forg.simantics.structural2%2Fsrc%2Forg%2Fsimantics%2Fstructural2%2FmodelingRules%2FAllowedConnectionTypes.java;fp=bundles%2Forg.simantics.structural2%2Fsrc%2Forg%2Fsimantics%2Fstructural2%2FmodelingRules%2FAllowedConnectionTypes.java;h=da112860518c41a7721381f2a093992f3f548371;hb=969bd23cab98a79ca9101af33334000879fb60c5;hp=0000000000000000000000000000000000000000;hpb=866dba5cd5a3929bbeae85991796acb212338a08;p=simantics%2Fplatform.git

diff --git a/bundles/org.simantics.structural2/src/org/simantics/structural2/modelingRules/AllowedConnectionTypes.java b/bundles/org.simantics.structural2/src/org/simantics/structural2/modelingRules/AllowedConnectionTypes.java
new file mode 100644
index 000000000..da1128605
--- /dev/null
+++ b/bundles/org.simantics.structural2/src/org/simantics/structural2/modelingRules/AllowedConnectionTypes.java
@@ -0,0 +1,30 @@
+package org.simantics.structural2.modelingRules;
+
+import java.util.Collection;
+import java.util.HashSet;
+import java.util.Set;
+
+import org.simantics.db.ReadGraph;
+import org.simantics.db.Resource;
+import org.simantics.db.common.request.ResourceRead;
+import org.simantics.db.exception.DatabaseException;
+import org.simantics.structural.stubs.StructuralResource2;
+
+public class AllowedConnectionTypes extends ResourceRead<Collection<Resource>> {
+
+	public AllowedConnectionTypes(Resource connectionPoint) {
+		super(connectionPoint);
+	}
+
+	@Override
+	public Collection<Resource> perform(ReadGraph graph) throws DatabaseException {
+		StructuralResource2 STR = StructuralResource2.getInstance(graph);
+		Collection<Resource> types = graph.getObjects(resource, STR.AllowsConnectionType);
+		Set<Resource> result = new HashSet<Resource>(types);
+		for(Resource type : types)
+			for(Resource override : graph.getObjects(type, STR.OverridesConnectionType))
+				result.remove(override);
+		return result;
+	}
+
+}