Package

spinoco.fs2

zk

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package zk

Created by pach on 01/05/16.

Source
zk.scala
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Type Members

  1. class InvalidZookeeperState extends Throwable

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  2. case class ZkACL(permission: Permission, scheme: String, entity: String) extends Product with Serializable

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    ACL Entry of ZooKeeper Node

  3. trait ZkClient[F[_]] extends AnyRef

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  4. case class ZkCreateMode(ephemeral: Boolean, sequential: Boolean) extends Product with Serializable

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  5. case class ZkNode(path: String) extends Product with Serializable

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    Validated name of ZkNode.

  6. sealed trait ZkOp extends AnyRef

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  7. sealed trait ZkOpResult extends AnyRef

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  8. case class ZkStat(createZxId: Long, modifiedZxId: Long, createdAt: LocalDateTime, modifiedAt: LocalDateTime, version: Int, childVersion: Int, aclVersion: Int, ephemeralOwnerSession: Long, dataLength: Int, numChildren: Int) extends Product with Serializable

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    Stat structure of zookeeper

    Stat structure of zookeeper

    createZxId

    The zxid of the change that caused this znode to be created.

    modifiedZxId

    The zxid of the change that last modified this znode.

    createdAt

    The time in milliseconds from epoch when this znode was created.

    modifiedAt

    The time in milliseconds from epoch when this znode was last modified.

    version

    The number of changes to the data of this znode.

    childVersion

    The number of changes to the children of this znode.

    aclVersion

    The number of changes to the ACL of this znode.

    ephemeralOwnerSession

    The session id of the owner of this znode if the znode is an ephemeral node. If it is not an ephemeral node, it will be zero.

    dataLength

    The length of the data field of this znode.

    numChildren

    The number of children of this znode.

Value Members

  1. object ZkACL extends Serializable

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  2. object ZkClient

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  3. object ZkClientState extends Enumeration

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    Created by pach on 07/05/16.

  4. object ZkCreateMode extends Serializable

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  5. object ZkNode extends Serializable

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  6. object ZkOp

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  7. object ZkOpResult

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  8. def client[F[_]](ensemble: String, credentials: Option[(String, Bytes)] = None, allowReadOnly: Boolean = false, timeout: FiniteDuration = 10.seconds)(implicit arg0: ConcurrentEffect[F], arg1: ContextShift[F]): Resource[F, ZkClient[F]]

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    Creates a zookeeper client.

    Creates a zookeeper client. Typically the application has only one clients available.

    This Stream emits only once providing guarded ZkClient, after session was successfully established. It may also emit on Left when connection was not established to the server.

    Note that there is no specific close functionality. The client is terminated when the resulting Stream terminates.

    ensemble

    Zookeeper ensemble Uri .i.e. "127.0.0.1:3000,127.0.0.1:3001,127.0.0.1:3002" or "127.0.0.1:3000,127.0.0.1:3001,127.0.0.1:3002/app/a" if chrooted under /app/a

    credentials

    If Zookeeper ensemble requires authentication, credentials may be passed in here.

    allowReadOnly

    True, indicates that if ensemble loses majority, the client will switch to readonly mode instead of failing.

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