NAME

ZooKeeper::Constants

DESCRIPTION

A class for importing the ZooKeeper C library's enums. Also contains the library's zerror function for retriving string representations of error codes.

By default ZooKeeper::Constants imports all enums into a package. Individual enums can also be exported, along with an export tag for classes of enums

EXPORT TAGS

:errors

Error codes returned by the ZooKeeper C library. Includes the zerror function for returning a string corresponding to the error code.

    zerror

    ZOK
    ZSYSTEMERROR
    ZRUNTIMEINCONSISTENCY
    ZDATAINCONSISTENCY
    ZCONNECTIONLOSS
    ZMARSHALLINGERROR
    ZUNIMPLEMENTED
    ZOPERATIONTIMEOUT
    ZBADARGUMENTS
    ZINVALIDSTATE
    ZAPIERROR
    ZNONODE
    ZNOAUTH
    ZBADVERSION
    ZNOCHILDRENFOREPHEMERALS
    ZNODEEXISTS
    ZNOTEMPTY
    ZSESSIONEXPIRED
    ZINVALIDCALLBACK
    ZINVALIDACL
    ZAUTHFAILED
    ZCLOSING
    ZNOTHING

:node_flags

Flags that may be used during node creation.

    ZOO_EPHEMERAL
    ZOO_SEQUENCE

:acl_perms

ACL permissions that may be used for a nodes ACLs

    ZOO_PERM_READ
    ZOO_PERM_WRITE
    ZOO_PERM_CREATE
    ZOO_PERM_DELETE
    ZOO_PERM_ADMIN
    ZOO_PERM_ALL

:acls

A predefined set of ACLs.

ACLs can also be constructed manually, as an arrayref of hashrefs, where hashrefs include keys for id, scheme, and perms.

    ZOO_OPEN_ACL_UNSAFE
    ZOO_READ_ACL_UNSAFE
    ZOO_CREATOR_ALL_ACL

:events

Possible ZooKeeper event types. These are used for the type key of the event hashref, passed to ZooKeeper watcher callbacks.

    ZOO_CREATED_EVENT
    ZOO_DELETED_EVENT
    ZOO_CHANGED_EVENT
    ZOO_CHILD_EVENT
    ZOO_SESSION_EVENT
    ZOO_NOTWATCHING_EVENT

:states

Possible ZooKeeper connection states. These are used for the state key of the event hashref, passed to ZooKeeper watcher callbacks.

    ZOO_EXPIRED_SESSION_STATE
    ZOO_AUTH_FAILED_STATE
    ZOO_CONNECTING_STATE
    ZOO_ASSOCIATING_STATE
    ZOO_CONNECTED_STATE