DATAJPA-941 - Avoid causing exceptions in JPA type check.

We're now using Class.isInstance(…) in favor of .cast(…) in JpaClassUtils.isOfType(…) as the latter causes exceptions to be thrown unnecessarily.

Author: odrotbohm

src/main/java/org/springframework/data/jpa/provider/JpaClassUtils.java

@@ -31,9 +31,7 @@ abstract class JpaClassUtils {
 	/**
 	 * Private constructor to prevent instantiation.
 	 */
-	private JpaClassUtils() {
-
-	}
+	private JpaClassUtils() {}
 
 	/**
 	 * Returns whether the given {@link EntityManager} is of the given type.
@@ -56,10 +54,7 @@ private static boolean isOfType(Object source, String typeName, ClassLoader clas
 		Assert.hasText(typeName, "Target type name must not be null or empty!");
 
 		try {
-
-			ClassUtils.forName(typeName, classLoader).cast(source);
-			return true;
-
+			return ClassUtils.forName(typeName, classLoader).isInstance(source);
 		} catch (Exception e) {
 			return false;
 		}