Make TaskCallback a @⁠FunctionalInterface

4 days ago · 0d612b3b1d
1 changed files with 1 additions and 0 deletions
--- a/spring-core/src/main/java/org/springframework/core/task/TaskCallback.java
+++ b/spring-core/src/main/java/org/springframework/core/task/TaskCallback.java
@ -36,6 +36,7 @@ import org.jspecify.annotations.Nullable;
				@@ -36,6 +36,7 @@ import org.jspecify.annotations.Nullable;
 * @param <E> the exception propagated, if any
 * @see SyncTaskExecutor#execute(TaskCallback)
 */
+@FunctionalInterface
 public interface TaskCallback<V extends @Nullable Object, E extends Exception> extends Callable<V> {

 	@Override