+ renamed length to size on List contract

spring-data-redis/src/main/java/org/springframework/data/keyvalue/redis/core/DefaultBoundListOperations.java

@@ -61,7 +61,7 @@ class DefaultBoundListOperations<K, V> extends DefaultKeyBound<K> implements Bou
 
 	@Override
 	public Integer length() {
-		return ops.length(getKey());
+		return ops.size(getKey());
 	}
 
 	@Override

spring-data-redis/src/main/java/org/springframework/data/keyvalue/redis/core/ListOperations.java

@@ -28,7 +28,7 @@ public interface ListOperations<K, V> {
 
 	void trim(K key, int start, int end);
 
-	Integer length(K key);
+	Integer size(K key);
 
 	Integer leftPush(K key, V value);
 

spring-data-redis/src/main/java/org/springframework/data/keyvalue/redis/core/RedisTemplate.java

@@ -763,7 +763,7 @@ public class RedisTemplate<K, V> extends RedisAccessor implements RedisOperation
 		}
 
 		@Override
-		public Integer length(K key) {
+		public Integer size(K key) {
 			final byte[] rawKey = rawKey(key);
 			return execute(new RedisCallback<Integer>() {
 				@Override