Use lambda expressions for lazy instantiation (#1911)

Issue: SPR-17074
2018-07-31 14:03:18 +03:00
parent 487e14d549
commit f8340838b3
11 changed files with 11 additions and 11 deletions
--- a/spring-webmvc/src/main/java/org/springframework/web/servlet/mvc/method/annotation/ReactiveTypeHandler.java
+++ b/spring-webmvc/src/main/java/org/springframework/web/servlet/mvc/method/annotation/ReactiveTypeHandler.java
@@ -120,7 +120,7 @@ class ReactiveTypeHandler {

 		Assert.notNull(returnValue, "Expected return value");
 		ReactiveAdapter adapter = this.reactiveRegistry.getAdapter(returnValue.getClass());
-		Assert.state(adapter != null, "Unexpected return value: " + returnValue);
+		Assert.state(adapter != null, () -> "Unexpected return value: " + returnValue);

 		ResolvableType elementType = ResolvableType.forMethodParameter(returnType).getGeneric();
 		Class<?> elementClass = elementType.toClass();