lib/redis_cluster/errors.rb in redis_cluster-0.2.9 vs lib/redis_cluster/errors.rb in redis_cluster-0.3.0

@@ -1,7 +1,26 @@
 module RedisCluster
-  NotSupportError = Class.new StandardError
+  class CommandNotSupportedError < StandardError
+    def initialize(command)
+      super("Command #{command} is not supported for Redis Cluster")
+    end
+  end
 
-  KeysNotAtSameSlotError = Class.new StandardError
+  class KeysNotAtSameSlotError < StandardError
+    def initialize(keys)
+      super("Keys must map to the same Redis Cluster slot when using " \
+        "EVAL/EVALSHA. Consider using Redis Cluster 'hash tags' (see " \
+        "documentation). Keys: #{keys}")
+    end
+  end
 
-  KeyNotAppointError = Class.new StandardError
+  class KeysNotSpecifiedError < StandardError
+    def initialize(command)
+      super("Keys must be specified for command #{command}")
+    end
+  end
+
+  # These error classes were renamed. These aliases are here for backwards
+  # compatibility.
+  KeyNotAppointError = KeysNotSpecifiedError
+  NotSupportError = CommandNotSupportedError
 end