From 69fb3a996ba796e49b0ab496a1f9a438eae2b417 Mon Sep 17 00:00:00 2001
From: Costin Leau <cleau@vmware.com>
Date: Wed, 8 Dec 2010 22:34:25 +0200
Subject: [PATCH] add rightPopLeftPush to list operations

---
 .../data/keyvalue/redis/core/ListOperations.java     |  2 +-
 .../data/keyvalue/redis/core/RedisTemplate.java      | 12 ++++++++++++
 2 files changed, 13 insertions(+), 1 deletion(-)

diff --git a/spring-data-redis/src/main/java/org/springframework/data/keyvalue/redis/core/ListOperations.java b/spring-data-redis/src/main/java/org/springframework/data/keyvalue/redis/core/ListOperations.java
index 6f1ebf3c5..ed423f454 100644
--- a/spring-data-redis/src/main/java/org/springframework/data/keyvalue/redis/core/ListOperations.java
+++ b/spring-data-redis/src/main/java/org/springframework/data/keyvalue/redis/core/ListOperations.java
@@ -49,7 +49,7 @@ public interface ListOperations<K, V> {
 
 	V rightPop(K key, long timeout, TimeUnit unit);
 
-	void rightPopAndLeftPush(K sourceKey, K destinationKey);
+	V rightPopAndLeftPush(K sourceKey, K destinationKey);
 
 	RedisOperations<K, V> getOperations();
 }
diff --git a/spring-data-redis/src/main/java/org/springframework/data/keyvalue/redis/core/RedisTemplate.java b/spring-data-redis/src/main/java/org/springframework/data/keyvalue/redis/core/RedisTemplate.java
index 59d546f1c..ff6078d17 100644
--- a/spring-data-redis/src/main/java/org/springframework/data/keyvalue/redis/core/RedisTemplate.java
+++ b/spring-data-redis/src/main/java/org/springframework/data/keyvalue/redis/core/RedisTemplate.java
@@ -890,6 +890,18 @@ public class RedisTemplate<K, V> extends RedisAccessor implements RedisOperation
 			}, true);
 		}
 
+		@Override
+		public V rightPopAndLeftPush(K sourceKey, K destinationKey) {
+			final byte[] rawDestKey = rawKey(destinationKey);
+
+			return execute(new ValueDeserializingRedisCallback(sourceKey) {
+				@Override
+				protected byte[] inRedis(byte[] rawSourceKey, RedisConnection connection) {
+					return connection.rPopLPush(rawSourceKey, rawDestKey);
+				}
+			}, true);
+		}
+
 		@Override
 		public void set(K key, final long index, V value) {
 			final byte[] rawValue = rawValue(value);