review: feature: Spoon meta-model

src/test/java/spoon/metamodel/MMContainerType.java

@@ -0,0 +1,60 @@
+/**
+ * Copyright (C) 2006-2017 INRIA and contributors
+ * Spoon - http://spoon.gforge.inria.fr/
+ *
+ * This software is governed by the CeCILL-C License under French law and
+ * abiding by the rules of distribution of free software. You can use, modify
+ * and/or redistribute the software under the terms of the CeCILL-C license as
+ * circulated by CEA, CNRS and INRIA at http://www.cecill.info.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the CeCILL-C License for more details.
+ *
+ * The fact that you are presently reading this means that you have had
+ * knowledge of the CeCILL-C license and that you accept its terms.
+ */
+package spoon.metamodel;
+
+import java.util.List;
+import java.util.Map;
+import java.util.Set;
+
+/**
+ * Represents type of container used for field value.
+ */
+public enum MMContainerType {
+	/**
+	 * it is a single value field
+	 * Example: CtClassImpl.simpleName
+	 */
+	SINGLE,
+	/**
+	 * It is a list of values
+	 * Example: CtClassImpl.typeMembers
+	 */
+	LIST,
+	/**
+	 * It is a set of values
+	 * Example: CtPackageImpl.types
+	 */
+	SET,
+	/**
+	 * It is a map<String, T> of values
+	 * Example: CtAnnotationImpl.elementValues
+	 */
+	MAP;
+
+	public static MMContainerType valueOf(Class<?> valueClass) {
+		if (List.class.isAssignableFrom(valueClass)) {
+			return LIST;
+		}
+		if (Map.class.isAssignableFrom(valueClass)) {
+			return MAP;
+		}
+		if (Set.class.isAssignableFrom(valueClass)) {
+			return SET;
+		}
+		return SINGLE;
+	}
+}