DATACMNS-1304 - PropertyPath now supports properties with all uppercase endings.

Original pull request: #289.

Author: mari6274

src/main/java/org/springframework/data/mapping/PropertyPath.java

@@ -42,6 +42,7 @@
  * @author Oliver Gierke
  * @author Christoph Strobl
  * @author Mark Paluch
+ * @author Mariusz Mączkowski
  */
 @EqualsAndHashCode
 public class PropertyPath implements Streamable<PropertyPath> {
@@ -401,7 +402,7 @@ private static PropertyPath create(String source, TypeInformation<?> type, Strin
 			exception = e;
 		}
 
-		Pattern pattern = Pattern.compile("\\p{Lu}+\\p{Ll}*$");
+		Pattern pattern = Pattern.compile("\\p{Lu}\\p{Ll}*$");
 		Matcher matcher = pattern.matcher(source);
 
 		if (matcher.find() && matcher.start() != 0) {

src/test/java/org/springframework/data/repository/query/parser/PartTreeUnitTests.java

@@ -44,6 +44,7 @@
  * @author Christoph Strobl
  * @author Mark Paluch
  * @author Michael Cramer
+ * @author Mariusz Mączkowski
  */
 public class PartTreeUnitTests {
 
@@ -600,6 +601,16 @@ public void emptyTreeDoesNotContainParts() {
 		assertThat(tree.hasPredicate()).isFalse();
 	}
 
+    @Test // DATACMNS-1304
+    public void resolvesPropertyPathWithSingleUppercaseLetterPropertyEnding() {
+        assertThat(new PartTree("findByCategoryBId", Product.class)).isNotNull();
+    }
+
+    @Test // DATACMNS-1304
+    public void resolvesPropertyPathWithUppercaseLettersPropertyEnding() {
+        assertThat(new PartTree("findByCategoryABId", Product.class)).isNotNull();
+    }
+
 	private static void assertLimiting(String methodName, Class<?> entityType, boolean limiting, Integer maxResults) {
 		assertLimiting(methodName, entityType, limiting, maxResults, false);
 	}
@@ -723,6 +734,10 @@ interface Product {
 		Anders getAnders(); // constains And keyword
 
 		Category getCategory();
+
+        Category getCategoryB(); // contains single uppercase letter at the end
+
+        Category getCategoryAB(); // contains uppercase letters at the end
 	}
 
 	interface Category {