From 25281b236e7d8fa3adb4440c927c972f79dcd439 Mon Sep 17 00:00:00 2001
From: dsyer <dsyer@2e8e966d-6415-0410-94b9-dc4e65435d03>
Date: Tue, 1 Apr 2008 10:31:55 +0000
Subject: [PATCH] Comments added to clarify TaskExecutorRepeatTemplate

---
 .../batch/repeat/support/TaskExecutorRepeatTemplate.java     | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/spring-batch-infrastructure/src/main/java/org/springframework/batch/repeat/support/TaskExecutorRepeatTemplate.java b/spring-batch-infrastructure/src/main/java/org/springframework/batch/repeat/support/TaskExecutorRepeatTemplate.java
index 449bf1808..cafef0a11 100644
--- a/spring-batch-infrastructure/src/main/java/org/springframework/batch/repeat/support/TaskExecutorRepeatTemplate.java
+++ b/spring-batch-infrastructure/src/main/java/org/springframework/batch/repeat/support/TaskExecutorRepeatTemplate.java
@@ -122,6 +122,11 @@ public class TaskExecutorRepeatTemplate extends RepeatTemplate {
 			 */
 		} while (queue.isEmpty() && !isComplete(context));
 
+		/*
+		 * N.B. If the queue is empty then take() blocks until a result appears,
+		 * and there must be at least one because we just submitted one to teh
+		 * task executor.
+		 */
 		ResultHolder result = queue.take();
 		if (result.getError() != null) {
 			throw result.getError();