lib/redis_failover/errors.rb in redis_failover-0.3.0 vs lib/redis_failover/errors.rb in redis_failover-0.4.0

@@ -1,7 +1,12 @@
 module RedisFailover
   class Error < StandardError
+    attr_reader :original
+    def initialize(msg = nil, original = $!)
+      super(msg)
+      @original = original
+    end
   end
 
   class InvalidNodeError < Error
   end
 
@@ -9,11 +14,11 @@
     def initialize(node, state)
       super("Invalid state change `#{state}` for node #{node}")
     end
   end
 
-  class NodeUnreachableError < Error
+  class NodeUnavailableError < Error
     def initialize(node)
       super("Node: #{node}")
     end
   end
 
@@ -21,18 +26,24 @@
   end
 
   class NoSlaveError < Error
   end
 
-  class FailoverServerUnreachableError < Error
+  class FailoverServerUnavailableError < Error
     def initialize(failover_server_url)
-      super("Unable to reach #{failover_server_url}")
+      super("Unable to access #{failover_server_url}")
     end
   end
 
   class InvalidNodeRoleError < Error
     def initialize(node, assumed, actual)
       super("Invalid role detected for node #{node}, client thought " +
         "it was a #{assumed}, but it's now a #{actual}")
+    end
+  end
+
+  class UnsupportedOperationError < Error
+    def initialize(operation)
+      super("Operation `#{operation}` is currently unsupported")
     end
   end
 end
\ No newline at end of file