1 files changed, 51 insertions, 0 deletions

diff --git a/subprojects/viatra-runtime/src/main/java/tools/refinery/viatra/runtime/emf/types/EClassExactInstancesKey.java b/subprojects/viatra-runtime/src/main/java/tools/refinery/viatra/runtime/emf/types/EClassExactInstancesKey.java
new file mode 100644
index 00000000..dd10502d
--- /dev/null
+++ b/subprojects/viatra-runtime/src/main/java/tools/refinery/viatra/runtime/emf/types/EClassExactInstancesKey.java
@@ -0,0 +1,51 @@
+/*******************************************************************************
+ * Copyright (c) 2010-2018, Gabor Bergmann, IncQuery Labs Ltd.
+ * This program and the accompanying materials are made available under the
+ * terms of the Eclipse Public License v. 2.0 which is available at
+ * http://www.eclipse.org/legal/epl-v20.html.
+ * 
+ * SPDX-License-Identifier: EPL-2.0
+ *******************************************************************************/
+
+package tools.refinery.viatra.runtime.emf.types;
+
+import org.eclipse.emf.ecore.EClass;
+import tools.refinery.viatra.runtime.emf.EMFScope;
+import tools.refinery.viatra.runtime.emf.helper.ViatraQueryRuntimeHelper;
+
+/**
+ * Instance tuples are of form (x), where x is an eObject instance of the given eClass, but <b>not</b> one of its subclasses, <b>within the scope</b>.
+ * <p> This input key has the strict semantics that instances must be within the scope.
+ * 
+ * @noreference This class is not intended to be referenced by clients. Not currently supported by {@link EMFScope}, for internal use only at the time
+ * 
+ * @author Bergmann Gabor
+ * @since 2.1
+ */
+public class EClassExactInstancesKey extends BaseEMFTypeKey<EClass> {
+
+        public EClassExactInstancesKey(EClass emfKey) {
+                super(emfKey);
+        }
+
+        @Override
+        public String getPrettyPrintableName() {
+        return "(scoped,exact) "+ViatraQueryRuntimeHelper.prettyPrintEMFType(wrappedKey);
+        }
+
+        @Override
+        public String getStringID() {
+        return "eClass(scoped,exact)#"+ ViatraQueryRuntimeHelper.prettyPrintEMFType(wrappedKey);
+        }
+
+        @Override
+        public int getArity() {
+                return 1;
+        }
+
+        @Override
+        public boolean isEnumerable() {
+                return true;
+        }
+
+}