org.apache.flink.runtime.checkpoint

枚举 ZooKeeperCheckpointStoreUtil

java.lang.Object

java.lang.Enum<ZooKeeperCheckpointStoreUtil>

org.apache.flink.runtime.checkpoint.ZooKeeperCheckpointStoreUtil

所有已实现的接口:

Serializable, Comparable<ZooKeeperCheckpointStoreUtil>, CheckpointStoreUtil

public enum ZooKeeperCheckpointStoreUtil
extends Enum<ZooKeeperCheckpointStoreUtil>
implements CheckpointStoreUtil

Singleton CheckpointStoreUtil implementation for ZooKeeper.

枚举常量概要

枚举常量

枚举常量和说明
INSTANCE

字段概要

从接口继承的字段 org.apache.flink.runtime.checkpoint.CheckpointStoreUtil

INVALID_CHECKPOINT_ID

方法概要

限定符和类型	方法和说明
String	checkpointIDToName(long checkpointId) Convert a checkpoint id into a ZooKeeper path.
long	nameToCheckpointID(String path) Converts a path to the checkpoint id.
static ZooKeeperCheckpointStoreUtil	valueOf(String name) 返回带有指定名称的该类型的枚举常量。
static ZooKeeperCheckpointStoreUtil[]	values() 按照声明该枚举类型的常量的顺序, 返回 包含这些常量的数组。

从类继承的方法 java.lang.Enum

clone, compareTo, equals, finalize, getDeclaringClass, hashCode, name, ordinal, toString, valueOf

从类继承的方法 java.lang.Object

getClass, notify, notifyAll, wait, wait, wait

枚举常量详细资料

INSTANCE

public static final ZooKeeperCheckpointStoreUtil INSTANCE

方法详细资料

values

public static ZooKeeperCheckpointStoreUtil[] values()

按照声明该枚举类型的常量的顺序, 返回 包含这些常量的数组。该方法可用于迭代 常量, 如下所示:

for (ZooKeeperCheckpointStoreUtil c : ZooKeeperCheckpointStoreUtil.values())
    System.out.println(c);

返回:

按照声明该枚举类型的常量的顺序返回的包含这些常量的数组

valueOf

public static ZooKeeperCheckpointStoreUtil valueOf(String name)

返回带有指定名称的该类型的枚举常量。 字符串必须与用于声明该类型的枚举常量的 标识符完全匹配。(不允许有多余 的空格字符。)

参数:

name - 要返回的枚举常量的名称。

返回:

返回带有指定名称的枚举常量

抛出:

IllegalArgumentException - 如果该枚举类型没有带有指定名称的常量

NullPointerException - 如果参数为空值

checkpointIDToName

public String checkpointIDToName(long checkpointId)

Convert a checkpoint id into a ZooKeeper path.

指定者:

checkpointIDToName 在接口中 CheckpointStoreUtil

参数:

checkpointId - to convert to the path

返回:

Path created from the given checkpoint id

nameToCheckpointID

public long nameToCheckpointID(String path)

Converts a path to the checkpoint id.

指定者:

nameToCheckpointID 在接口中 CheckpointStoreUtil

参数:

path - in ZooKeeper

返回:

Checkpoint id parsed from the path