very trivial code cleanups to NamedSqmFunctionDescriptor

Author: gavinking

hibernate-core/src/main/java/org/hibernate/query/sqm/function/NamedSqmFunctionDescriptor.java

@@ -19,10 +19,11 @@
 import org.hibernate.sql.ast.tree.predicate.Predicate;
 import org.hibernate.sql.ast.tree.select.SortSpecification;
 
-import java.util.Collections;
 import java.util.List;
 import java.util.Locale;
 
+import static java.util.Collections.emptyList;
+
 /**
  * Provides a standard implementation that supports the majority of the HQL
  * functions that are translated to SQL. The Dialect and its sub-classes use
@@ -119,7 +120,7 @@ public void render(
 			List<? extends SqlAstNode> sqlAstArguments,
 			ReturnableType<?> returnType,
 			SqlAstTranslator<?> translator) {
-		render( sqlAppender, sqlAstArguments, null, Collections.emptyList(), null, null, translator );
+		render( sqlAppender, sqlAstArguments, null, emptyList(), null, null, translator );
 	}
 
 	@Override
@@ -129,7 +130,7 @@ public void render(
 			Predicate filter,
 			ReturnableType<?> returnType,
 			SqlAstTranslator<?> translator) {
-		render( sqlAppender, sqlAstArguments, filter, Collections.emptyList(), null, null, translator );
+		render( sqlAppender, sqlAstArguments, filter, emptyList(), null, null, translator );
 	}
 
 	@Override
@@ -152,7 +153,7 @@ public void render(
 			Boolean fromFirst,
 			ReturnableType<?> returnType,
 			SqlAstTranslator<?> walker) {
-		render( sqlAppender, sqlAstArguments, filter, Collections.emptyList(), respectNulls, fromFirst, walker );
+		render( sqlAppender, sqlAstArguments, filter, emptyList(), respectNulls, fromFirst, walker );
 	}
 
 	private void render(
@@ -164,7 +165,10 @@ private void render(
 			Boolean fromFirst,
 			SqlAstTranslator<?> translator) {
 		final boolean useParens = useParenthesesWhenNoArgs || !sqlAstArguments.isEmpty();
-		final boolean caseWrapper = filter != null && !translator.getSessionFactory().getJdbcServices().getDialect().	supportsFilterClause();
+		final boolean caseWrapper =
+				filter != null
+					&& !translator.getSessionFactory().getJdbcServices().getDialect()
+							.supportsFilterClause();
 
 		sqlAppender.appendSql( functionName );
 		if ( useParens ) {