Safe Haskell | Safe-Inferred |
---|---|
Language | Haskell2010 |
Synopsis
- data ZooException
- zooExceptionToException :: Exception e => e -> SomeException
- zooExceptionFromException :: Exception e => SomeException -> Maybe e
- data ZooExInfo = ZooExInfo {}
- newtype ZSYSTEMERROR = ZSYSTEMERROR ZooExInfo
- newtype ZRUNTIMEINCONSISTENCY = ZRUNTIMEINCONSISTENCY ZooExInfo
- newtype ZDATAINCONSISTENCY = ZDATAINCONSISTENCY ZooExInfo
- newtype ZCONNECTIONLOSS = ZCONNECTIONLOSS ZooExInfo
- newtype ZMARSHALLINGERROR = ZMARSHALLINGERROR ZooExInfo
- newtype ZUNIMPLEMENTED = ZUNIMPLEMENTED ZooExInfo
- newtype ZOPERATIONTIMEOUT = ZOPERATIONTIMEOUT ZooExInfo
- newtype ZBADARGUMENTS = ZBADARGUMENTS ZooExInfo
- newtype ZINVALIDSTATE = ZINVALIDSTATE ZooExInfo
- newtype ZNEWCONFIGNOQUORUM = ZNEWCONFIGNOQUORUM ZooExInfo
- newtype ZRECONFIGINPROGRESS = ZRECONFIGINPROGRESS ZooExInfo
- newtype ZSSLCONNECTIONERROR = ZSSLCONNECTIONERROR ZooExInfo
- newtype ZAPIERROR = ZAPIERROR ZooExInfo
- newtype ZNONODE = ZNONODE ZooExInfo
- newtype ZNOAUTH = ZNOAUTH ZooExInfo
- newtype ZBADVERSION = ZBADVERSION ZooExInfo
- newtype ZNOCHILDRENFOREPHEMERALS = ZNOCHILDRENFOREPHEMERALS ZooExInfo
- newtype ZNODEEXISTS = ZNODEEXISTS ZooExInfo
- newtype ZNOTEMPTY = ZNOTEMPTY ZooExInfo
- newtype ZSESSIONEXPIRED = ZSESSIONEXPIRED ZooExInfo
- newtype ZINVALIDCALLBACK = ZINVALIDCALLBACK ZooExInfo
- newtype ZINVALIDACL = ZINVALIDACL ZooExInfo
- newtype ZAUTHFAILED = ZAUTHFAILED ZooExInfo
- newtype ZCLOSING = ZCLOSING ZooExInfo
- newtype ZNOTHING = ZNOTHING ZooExInfo
- newtype ZSESSIONMOVED = ZSESSIONMOVED ZooExInfo
- newtype ZNOTREADONLY = ZNOTREADONLY ZooExInfo
- newtype ZEPHEMERALONLOCALSESSION = ZEPHEMERALONLOCALSESSION ZooExInfo
- newtype ZNOWATCHER = ZNOWATCHER ZooExInfo
- newtype ZRECONFIGDISABLED = ZRECONFIGDISABLED ZooExInfo
- newtype ZSESSIONCLOSEDREQUIRESASLAUTH = ZSESSIONCLOSEDREQUIRESASLAUTH ZooExInfo
- newtype ZTHROTTLEDOP = ZTHROTTLEDOP ZooExInfo
- data SYSERRNO
- data UNKNOWN_ERR
- throwZooError :: CInt -> CallStack -> IO a
- throwZooErrorIfNotOK :: HasCallStack => CInt -> IO CInt
- throwZooErrorIfLeft :: HasCallStack => Either CInt a -> IO a
- throwZooErrorIfLeft' :: HasCallStack => (CInt -> Bool) -> Either CInt a -> IO (Maybe a)
- pattern CZOK :: CInt
- pattern CZSYSTEMERROR :: CInt
- pattern CZRUNTIMEINCONSISTENCY :: CInt
- pattern CZDATAINCONSISTENCY :: CInt
- pattern CZCONNECTIONLOSS :: CInt
- pattern CZMARSHALLINGERROR :: CInt
- pattern CZUNIMPLEMENTED :: CInt
- pattern CZOPERATIONTIMEOUT :: CInt
- pattern CZBADARGUMENTS :: CInt
- pattern CZINVALIDSTATE :: CInt
- pattern CZNEWCONFIGNOQUORUM :: CInt
- pattern CZRECONFIGINPROGRESS :: CInt
- pattern CZSSLCONNECTIONERROR :: CInt
- pattern CZAPIERROR :: CInt
- pattern CZNONODE :: CInt
- pattern CZNOAUTH :: CInt
- pattern CZBADVERSION :: CInt
- pattern CZNOCHILDRENFOREPHEMERALS :: CInt
- pattern CZNODEEXISTS :: CInt
- pattern CZNOTEMPTY :: CInt
- pattern CZSESSIONEXPIRED :: CInt
- pattern CZINVALIDCALLBACK :: CInt
- pattern CZINVALIDACL :: CInt
- pattern CZAUTHFAILED :: CInt
- pattern CZCLOSING :: CInt
- pattern CZNOTHING :: CInt
- pattern CZSESSIONMOVED :: CInt
- pattern CZNOTREADONLY :: CInt
- pattern CZEPHEMERALONLOCALSESSION :: CInt
- pattern CZNOWATCHER :: CInt
- pattern CZRECONFIGDISABLED :: CInt
- pattern CZSESSIONCLOSEDREQUIRESASLAUTH :: CInt
- pattern CZTHROTTLEDOP :: CInt
- throwIO :: Exception e => e -> IO a
- getCErrNum :: IO CInt
Documentation
data ZooException Source #
The root exception type of ZooKeeper.
Instances
Exception ZooException Source # | |
Defined in ZooKeeper.Exception | |
Show ZooException Source # | |
Defined in ZooKeeper.Exception showsPrec :: Int -> ZooException -> ShowS # show :: ZooException -> String # showList :: [ZooException] -> ShowS # |
zooExceptionToException :: Exception e => e -> SomeException Source #
zooExceptionFromException :: Exception e => SomeException -> Maybe e Source #
Zookeeper error informations.
ZooExInfo | |
|
System and server-side errors
This is never thrown by the server, it shouldn't be used other than
to indicate a range. Specifically error codes greater than this
value, but lesser than ZAPIERROR
, are system errors.
newtype ZSYSTEMERROR Source #
Instances
Exception ZSYSTEMERROR Source # | |
Defined in ZooKeeper.Exception | |
Show ZSYSTEMERROR Source # | |
Defined in ZooKeeper.Exception showsPrec :: Int -> ZSYSTEMERROR -> ShowS # show :: ZSYSTEMERROR -> String # showList :: [ZSYSTEMERROR] -> ShowS # |
newtype ZRUNTIMEINCONSISTENCY Source #
Instances
Exception ZRUNTIMEINCONSISTENCY Source # | |
Show ZRUNTIMEINCONSISTENCY Source # | |
Defined in ZooKeeper.Exception showsPrec :: Int -> ZRUNTIMEINCONSISTENCY -> ShowS # show :: ZRUNTIMEINCONSISTENCY -> String # showList :: [ZRUNTIMEINCONSISTENCY] -> ShowS # |
newtype ZDATAINCONSISTENCY Source #
Instances
Exception ZDATAINCONSISTENCY Source # | |
Defined in ZooKeeper.Exception | |
Show ZDATAINCONSISTENCY Source # | |
Defined in ZooKeeper.Exception showsPrec :: Int -> ZDATAINCONSISTENCY -> ShowS # show :: ZDATAINCONSISTENCY -> String # showList :: [ZDATAINCONSISTENCY] -> ShowS # |
newtype ZCONNECTIONLOSS Source #
Instances
Exception ZCONNECTIONLOSS Source # | |
Defined in ZooKeeper.Exception | |
Show ZCONNECTIONLOSS Source # | |
Defined in ZooKeeper.Exception showsPrec :: Int -> ZCONNECTIONLOSS -> ShowS # show :: ZCONNECTIONLOSS -> String # showList :: [ZCONNECTIONLOSS] -> ShowS # |
newtype ZMARSHALLINGERROR Source #
Instances
Exception ZMARSHALLINGERROR Source # | |
Defined in ZooKeeper.Exception | |
Show ZMARSHALLINGERROR Source # | |
Defined in ZooKeeper.Exception showsPrec :: Int -> ZMARSHALLINGERROR -> ShowS # show :: ZMARSHALLINGERROR -> String # showList :: [ZMARSHALLINGERROR] -> ShowS # |
newtype ZUNIMPLEMENTED Source #
Instances
Exception ZUNIMPLEMENTED Source # | |
Defined in ZooKeeper.Exception | |
Show ZUNIMPLEMENTED Source # | |
Defined in ZooKeeper.Exception showsPrec :: Int -> ZUNIMPLEMENTED -> ShowS # show :: ZUNIMPLEMENTED -> String # showList :: [ZUNIMPLEMENTED] -> ShowS # |
newtype ZOPERATIONTIMEOUT Source #
Instances
Exception ZOPERATIONTIMEOUT Source # | |
Defined in ZooKeeper.Exception | |
Show ZOPERATIONTIMEOUT Source # | |
Defined in ZooKeeper.Exception showsPrec :: Int -> ZOPERATIONTIMEOUT -> ShowS # show :: ZOPERATIONTIMEOUT -> String # showList :: [ZOPERATIONTIMEOUT] -> ShowS # |
newtype ZBADARGUMENTS Source #
Instances
Exception ZBADARGUMENTS Source # | |
Defined in ZooKeeper.Exception | |
Show ZBADARGUMENTS Source # | |
Defined in ZooKeeper.Exception showsPrec :: Int -> ZBADARGUMENTS -> ShowS # show :: ZBADARGUMENTS -> String # showList :: [ZBADARGUMENTS] -> ShowS # |
newtype ZINVALIDSTATE Source #
Instances
Exception ZINVALIDSTATE Source # | |
Defined in ZooKeeper.Exception | |
Show ZINVALIDSTATE Source # | |
Defined in ZooKeeper.Exception showsPrec :: Int -> ZINVALIDSTATE -> ShowS # show :: ZINVALIDSTATE -> String # showList :: [ZINVALIDSTATE] -> ShowS # |
newtype ZNEWCONFIGNOQUORUM Source #
Instances
Exception ZNEWCONFIGNOQUORUM Source # | |
Defined in ZooKeeper.Exception | |
Show ZNEWCONFIGNOQUORUM Source # | |
Defined in ZooKeeper.Exception showsPrec :: Int -> ZNEWCONFIGNOQUORUM -> ShowS # show :: ZNEWCONFIGNOQUORUM -> String # showList :: [ZNEWCONFIGNOQUORUM] -> ShowS # |
newtype ZRECONFIGINPROGRESS Source #
Instances
Exception ZRECONFIGINPROGRESS Source # | |
Defined in ZooKeeper.Exception | |
Show ZRECONFIGINPROGRESS Source # | |
Defined in ZooKeeper.Exception showsPrec :: Int -> ZRECONFIGINPROGRESS -> ShowS # show :: ZRECONFIGINPROGRESS -> String # showList :: [ZRECONFIGINPROGRESS] -> ShowS # |
newtype ZSSLCONNECTIONERROR Source #
Instances
Exception ZSSLCONNECTIONERROR Source # | |
Defined in ZooKeeper.Exception | |
Show ZSSLCONNECTIONERROR Source # | |
Defined in ZooKeeper.Exception showsPrec :: Int -> ZSSLCONNECTIONERROR -> ShowS # show :: ZSSLCONNECTIONERROR -> String # showList :: [ZSSLCONNECTIONERROR] -> ShowS # |
API Errors
This is never thrown by the server, it shouldn't be used other than
to indicate a range. Specifically error codes greater than this
value are API errors (while values less than this indicate a
ZSYSTEMERROR
).
Instances
Exception ZAPIERROR Source # | |
Defined in ZooKeeper.Exception toException :: ZAPIERROR -> SomeException # fromException :: SomeException -> Maybe ZAPIERROR # displayException :: ZAPIERROR -> String # | |
Show ZAPIERROR Source # | |
Instances
Exception ZNONODE Source # | |
Defined in ZooKeeper.Exception toException :: ZNONODE -> SomeException # fromException :: SomeException -> Maybe ZNONODE # displayException :: ZNONODE -> String # | |
Show ZNONODE Source # | |
Instances
Exception ZNOAUTH Source # | |
Defined in ZooKeeper.Exception toException :: ZNOAUTH -> SomeException # fromException :: SomeException -> Maybe ZNOAUTH # displayException :: ZNOAUTH -> String # | |
Show ZNOAUTH Source # | |
newtype ZBADVERSION Source #
Instances
Exception ZBADVERSION Source # | |
Defined in ZooKeeper.Exception | |
Show ZBADVERSION Source # | |
Defined in ZooKeeper.Exception showsPrec :: Int -> ZBADVERSION -> ShowS # show :: ZBADVERSION -> String # showList :: [ZBADVERSION] -> ShowS # |
newtype ZNOCHILDRENFOREPHEMERALS Source #
Instances
Exception ZNOCHILDRENFOREPHEMERALS Source # | |
Show ZNOCHILDRENFOREPHEMERALS Source # | |
Defined in ZooKeeper.Exception showsPrec :: Int -> ZNOCHILDRENFOREPHEMERALS -> ShowS # show :: ZNOCHILDRENFOREPHEMERALS -> String # showList :: [ZNOCHILDRENFOREPHEMERALS] -> ShowS # |
newtype ZNODEEXISTS Source #
Instances
Exception ZNODEEXISTS Source # | |
Defined in ZooKeeper.Exception | |
Show ZNODEEXISTS Source # | |
Defined in ZooKeeper.Exception showsPrec :: Int -> ZNODEEXISTS -> ShowS # show :: ZNODEEXISTS -> String # showList :: [ZNODEEXISTS] -> ShowS # |
Instances
Exception ZNOTEMPTY Source # | |
Defined in ZooKeeper.Exception toException :: ZNOTEMPTY -> SomeException # fromException :: SomeException -> Maybe ZNOTEMPTY # displayException :: ZNOTEMPTY -> String # | |
Show ZNOTEMPTY Source # | |
newtype ZSESSIONEXPIRED Source #
Instances
Exception ZSESSIONEXPIRED Source # | |
Defined in ZooKeeper.Exception | |
Show ZSESSIONEXPIRED Source # | |
Defined in ZooKeeper.Exception showsPrec :: Int -> ZSESSIONEXPIRED -> ShowS # show :: ZSESSIONEXPIRED -> String # showList :: [ZSESSIONEXPIRED] -> ShowS # |
newtype ZINVALIDCALLBACK Source #
Instances
Exception ZINVALIDCALLBACK Source # | |
Defined in ZooKeeper.Exception | |
Show ZINVALIDCALLBACK Source # | |
Defined in ZooKeeper.Exception showsPrec :: Int -> ZINVALIDCALLBACK -> ShowS # show :: ZINVALIDCALLBACK -> String # showList :: [ZINVALIDCALLBACK] -> ShowS # |
newtype ZINVALIDACL Source #
Instances
Exception ZINVALIDACL Source # | |
Defined in ZooKeeper.Exception | |
Show ZINVALIDACL Source # | |
Defined in ZooKeeper.Exception showsPrec :: Int -> ZINVALIDACL -> ShowS # show :: ZINVALIDACL -> String # showList :: [ZINVALIDACL] -> ShowS # |
newtype ZAUTHFAILED Source #
Instances
Exception ZAUTHFAILED Source # | |
Defined in ZooKeeper.Exception | |
Show ZAUTHFAILED Source # | |
Defined in ZooKeeper.Exception showsPrec :: Int -> ZAUTHFAILED -> ShowS # show :: ZAUTHFAILED -> String # showList :: [ZAUTHFAILED] -> ShowS # |
Instances
Exception ZCLOSING Source # | |
Defined in ZooKeeper.Exception toException :: ZCLOSING -> SomeException # fromException :: SomeException -> Maybe ZCLOSING # displayException :: ZCLOSING -> String # | |
Show ZCLOSING Source # | |
Instances
Exception ZNOTHING Source # | |
Defined in ZooKeeper.Exception toException :: ZNOTHING -> SomeException # fromException :: SomeException -> Maybe ZNOTHING # displayException :: ZNOTHING -> String # | |
Show ZNOTHING Source # | |
newtype ZSESSIONMOVED Source #
Instances
Exception ZSESSIONMOVED Source # | |
Defined in ZooKeeper.Exception | |
Show ZSESSIONMOVED Source # | |
Defined in ZooKeeper.Exception showsPrec :: Int -> ZSESSIONMOVED -> ShowS # show :: ZSESSIONMOVED -> String # showList :: [ZSESSIONMOVED] -> ShowS # |
newtype ZNOTREADONLY Source #
Instances
Exception ZNOTREADONLY Source # | |
Defined in ZooKeeper.Exception | |
Show ZNOTREADONLY Source # | |
Defined in ZooKeeper.Exception showsPrec :: Int -> ZNOTREADONLY -> ShowS # show :: ZNOTREADONLY -> String # showList :: [ZNOTREADONLY] -> ShowS # |
newtype ZEPHEMERALONLOCALSESSION Source #
Instances
Exception ZEPHEMERALONLOCALSESSION Source # | |
Show ZEPHEMERALONLOCALSESSION Source # | |
Defined in ZooKeeper.Exception showsPrec :: Int -> ZEPHEMERALONLOCALSESSION -> ShowS # show :: ZEPHEMERALONLOCALSESSION -> String # showList :: [ZEPHEMERALONLOCALSESSION] -> ShowS # |
newtype ZNOWATCHER Source #
Instances
Exception ZNOWATCHER Source # | |
Defined in ZooKeeper.Exception toException :: ZNOWATCHER -> SomeException # fromException :: SomeException -> Maybe ZNOWATCHER # displayException :: ZNOWATCHER -> String # | |
Show ZNOWATCHER Source # | |
Defined in ZooKeeper.Exception showsPrec :: Int -> ZNOWATCHER -> ShowS # show :: ZNOWATCHER -> String # showList :: [ZNOWATCHER] -> ShowS # |
newtype ZRECONFIGDISABLED Source #
Instances
Exception ZRECONFIGDISABLED Source # | |
Defined in ZooKeeper.Exception | |
Show ZRECONFIGDISABLED Source # | |
Defined in ZooKeeper.Exception showsPrec :: Int -> ZRECONFIGDISABLED -> ShowS # show :: ZRECONFIGDISABLED -> String # showList :: [ZRECONFIGDISABLED] -> ShowS # |
newtype ZSESSIONCLOSEDREQUIRESASLAUTH Source #
Instances
newtype ZTHROTTLEDOP Source #
Instances
Exception ZTHROTTLEDOP Source # | |
Defined in ZooKeeper.Exception | |
Show ZTHROTTLEDOP Source # | |
Defined in ZooKeeper.Exception showsPrec :: Int -> ZTHROTTLEDOP -> ShowS # show :: ZTHROTTLEDOP -> String # showList :: [ZTHROTTLEDOP] -> ShowS # |
Other Errors
Instances
Exception SYSERRNO Source # | |
Defined in ZooKeeper.Exception toException :: SYSERRNO -> SomeException # fromException :: SomeException -> Maybe SYSERRNO # displayException :: SYSERRNO -> String # | |
Show SYSERRNO Source # | |
data UNKNOWN_ERR Source #
Instances
Exception UNKNOWN_ERR Source # | |
Defined in ZooKeeper.Exception | |
Show UNKNOWN_ERR Source # | |
Defined in ZooKeeper.Exception showsPrec :: Int -> UNKNOWN_ERR -> ShowS # show :: UNKNOWN_ERR -> String # showList :: [UNKNOWN_ERR] -> ShowS # |
throwZooErrorIfNotOK :: HasCallStack => CInt -> IO CInt Source #
throwZooErrorIfLeft :: HasCallStack => Either CInt a -> IO a Source #
throwZooErrorIfLeft' :: HasCallStack => (CInt -> Bool) -> Either CInt a -> IO (Maybe a) Source #
Error number patterns
pattern CZSYSTEMERROR :: CInt Source #
pattern CZRUNTIMEINCONSISTENCY :: CInt Source #
pattern CZDATAINCONSISTENCY :: CInt Source #
pattern CZCONNECTIONLOSS :: CInt Source #
pattern CZMARSHALLINGERROR :: CInt Source #
pattern CZUNIMPLEMENTED :: CInt Source #
pattern CZOPERATIONTIMEOUT :: CInt Source #
pattern CZBADARGUMENTS :: CInt Source #
pattern CZINVALIDSTATE :: CInt Source #
pattern CZNEWCONFIGNOQUORUM :: CInt Source #
pattern CZRECONFIGINPROGRESS :: CInt Source #
pattern CZSSLCONNECTIONERROR :: CInt Source #
pattern CZAPIERROR :: CInt Source #
pattern CZBADVERSION :: CInt Source #
pattern CZNOCHILDRENFOREPHEMERALS :: CInt Source #
pattern CZNODEEXISTS :: CInt Source #
pattern CZNOTEMPTY :: CInt Source #
pattern CZSESSIONEXPIRED :: CInt Source #
pattern CZINVALIDCALLBACK :: CInt Source #
pattern CZINVALIDACL :: CInt Source #
pattern CZAUTHFAILED :: CInt Source #
pattern CZSESSIONMOVED :: CInt Source #
pattern CZNOTREADONLY :: CInt Source #
pattern CZEPHEMERALONLOCALSESSION :: CInt Source #
pattern CZNOWATCHER :: CInt Source #
pattern CZRECONFIGDISABLED :: CInt Source #
pattern CZSESSIONCLOSEDREQUIRESASLAUTH :: CInt Source #
pattern CZTHROTTLEDOP :: CInt Source #
Helpers
throwIO :: Exception e => e -> IO a #
A variant of throw
that can only be used within the IO
monad.
Although throwIO
has a type that is an instance of the type of throw
, the
two functions are subtly different:
throw e `seq` () ===> throw e throwIO e `seq` () ===> ()
The first example will cause the exception e
to be raised,
whereas the second one won't. In fact, throwIO
will only cause
an exception to be raised when it is used within the IO
monad.
The throwIO
variant should be used in preference to throw
to
raise an exception within the IO
monad because it guarantees
ordering with respect to other operations, whereas throw
does not. We say that throwIO
throws *precise* exceptions and
throw
, error
, etc. all throw *imprecise* exceptions.
For example
throw e + error "boom" ===> error "boom" throw e + error "boom" ===> throw e
are both valid reductions and the compiler may pick any (loop, even), whereas
throwIO e >> error "boom" ===> throwIO e
will always throw e
when executed.
See also the GHC wiki page on precise exceptions for a more technical introduction to how GHC optimises around precise vs. imprecise exceptions.
getCErrNum :: IO CInt Source #