DATACMNS-401 - Some cleanups regarding generics and deprecations.

Suppress deprecation warnings for GenericTypeResolver for now. Added Simple(Property|Association)Handler to ease working with untyped PersistentProperty instances without having to fall back to raw types. Polished Sonargraph architecture description.

src/main/java/org/springframework/data/util/ClassTypeInformation.java

@@ -97,6 +97,7 @@ public class ClassTypeInformation<S> extends TypeDiscoverer<S> {
 	 * 
 	 * @param type
 	 */
+	@SuppressWarnings("deprecation")
 	ClassTypeInformation(Class<S> type) {
 		this(type, GenericTypeResolver.getTypeVariableMap(type));
 	}

src/main/java/org/springframework/data/util/ParameterizedTypeInformation.java

@@ -53,6 +53,7 @@ class ParameterizedTypeInformation<T> extends ParentTypeAwareTypeInformation<T>
 	 * @see org.springframework.data.util.TypeDiscoverer#getMapValueType()
 	 */
 	@Override
+	@SuppressWarnings("deprecation")
 	public TypeInformation<?> getMapValueType() {
 
 		if (Map.class.equals(getType())) {

src/main/java/org/springframework/data/util/TypeDiscoverer.java

@@ -47,8 +47,7 @@ import org.springframework.util.ReflectionUtils;
 class TypeDiscoverer<S> implements TypeInformation<S> {
 
 	private final Type type;
-	@SuppressWarnings("rawtypes")
-	private final Map<TypeVariable, Type> typeVariableMap;
+	@SuppressWarnings("rawtypes") private final Map<TypeVariable, Type> typeVariableMap;
 	private final Map<String, TypeInformation<?>> fieldTypes = new ConcurrentHashMap<String, TypeInformation<?>>();
 
 	private Class<S> resolvedType;
@@ -95,6 +94,7 @@ class TypeDiscoverer<S> implements TypeInformation<S> {
 			return new ClassTypeInformation((Class<?>) fieldType);
 		}
 
+		@SuppressWarnings("deprecation")
 		Map<TypeVariable, Type> variableMap = GenericTypeResolver.getTypeVariableMap(resolveType(fieldType));
 
 		if (fieldType instanceof ParameterizedType) {
@@ -136,9 +136,8 @@ class TypeDiscoverer<S> implements TypeInformation<S> {
 	 * @param type
 	 * @return
 	 */
-	@SuppressWarnings("unchecked")
+	@SuppressWarnings({ "unchecked", "deprecation" })
 	protected Class<S> resolveType(Type type) {
-
 		return (Class<S>) GenericTypeResolver.resolveType(type, getTypeVariableMap());
 	}