Workflow 0.7.0.1 → 0.7.0.2

raw patch · 2 files changed

+6/−31 lines, 2 files

Files

• Control/Workflow.hs +3/−28
• Workflow.cabal +3/−3

@@ -873,37 +873,12 @@       return (map, Nothing)  --- | Return the reference to the last logged result , usually, the last result stored by `step`.--- wiorkflow references can be accessed outside of the workflow--- . They also can be (de)serialized.------ WARNING getWFRef can produce  casting errors  when the type demanded--- do not match the serialized data. Instead,  `newDBRef` and `stepWFRef` are type safe at runtuime.---getWFRef ::  ( Monad m,---               MonadIO m,---               Serialize a---             , Typeable a)---             => Workflow m  (WFRef a)---getWFRef =ret !> "geWFRef"---   where---   ret=   WF (\s -> do---       let  n= if recover s then state s - (L.length $ versions s)---                            else (state s -1)---       let  ref = WFRef n (self s)---       -- to reify the object being accessed---       -- if not reified, the serializer will write a null object---       let versionss= versions s---       when ( L.null versionss) $  error "getWFRef: empty log, no step to point to"---       let r= fromIDyn (L.head $ versionss) `asTypeOf` typeofRef ret---       r `seq` return  (s,ref))---       where---       typeofRef :: Workflow m  (WFRef a) -> a---       typeofRef= undefined -- never will be executed  --- | Log a value and return a reference to it.++-- | Log a value in the workflow log and return a reference to it. ----- @newWFRef x= `step` $ return x >>= `getWFRef`@+-- @newWFRef x= `stepWFRef` (return  x) >>= return . fst@ newWFRef :: ( Serialize a            , Typeable a            , MonadIO m

@@ -1,5 +1,5 @@ name: Workflow-version: 0.7.0.1+version: 0.7.0.2 cabal-version: >= 1.6 build-type: Simple license: BSD3@@ -7,8 +7,8 @@ maintainer: agocorona@gmail.com stability: experimental bug-reports: agocorona@gmail.com-synopsis:    Monadic transformer for persistence in threads. and workflow patterns-description: Transparent support  for interruptible computations. A workflow can be seen as a persistent thread that executes any+synopsis:    Monad transformer for thread state persistence and workflow patterns+description: Transparent support  for interruptible computations. A workflow can be seen as a persistent thread that executes a              monadic computation. Therefore, it can be used in very time consuming computations such are CPU intensive calculations              or procedures that are most of the time waiting for the action of a process or an user, that are prone to comunication              failures, timeouts or shutdowns. It also can be used if you like to restart your