Polishing.

Uses new switch syntax.

Signed-off-by: mipo256 <mikhailpolivakha@gmail.com>

Commit message changed by Jens Schauder

Original pull request #2000
See #1998

spring-data-jdbc/src/main/java/org/springframework/data/jdbc/repository/support/JdbcQueryLookupStrategy.java

@@ -303,18 +303,13 @@ abstract class JdbcQueryLookupStrategy extends RelationalQueryLookupStrategy {
 
 		LOG.debug(String.format("Using the queryLookupStrategy %s", keyToUse));
 
-		switch (keyToUse) {
+		return switch (keyToUse) {
-			case CREATE:
+			case CREATE -> createQueryLookupStrategy;
-				return createQueryLookupStrategy;
+			case USE_DECLARED_QUERY -> declaredQueryLookupStrategy;
-			case USE_DECLARED_QUERY:
+			case CREATE_IF_NOT_FOUND -> new CreateIfNotFoundQueryLookupStrategy(
-				return declaredQueryLookupStrategy;
+					publisher, callbacks, context, converter, dialect, queryMappingConfiguration, operations,
-			case CREATE_IF_NOT_FOUND:
+					createQueryLookupStrategy, declaredQueryLookupStrategy, delegate);
-				return new CreateIfNotFoundQueryLookupStrategy(publisher, callbacks, context, converter, dialect,
+		};
-						queryMappingConfiguration, operations, createQueryLookupStrategy, declaredQueryLookupStrategy,
-						delegate);
-			default:
-				throw new IllegalArgumentException(String.format("Unsupported query lookup strategy %s", key));
-		}
 	}
 
 	JdbcConverter getConverter() {