com.github.phantomthief.zookeeper.util

Class ZkUtils

java.lang.Object

com.github.phantomthief.zookeeper.util.ZkUtils

public class ZkUtils
extends Object

Author:

w.vela Created on 03/12/2016.

Method Summary

Modifier and Type	Method and Description
static boolean	changeZkValue(org.apache.curator.framework.CuratorFramework client, String path, Function<byte[],byte[]> changeFunction, int retryTimes, long retryWait)
static <T> void	changeZkValue(org.apache.curator.framework.CuratorFramework client, String path, Function<T,T> changeFunction, Function<byte[],T> decoder, Function<T,byte[]> encoder)
static EphemeralNode	createEphemeralNode(org.apache.curator.framework.CuratorFramework client, String path, byte[] value)
static Stream<String>	getAllChildren(org.apache.curator.framework.CuratorFramework curator, String parentPath)
static Stream<org.apache.curator.framework.recipes.cache.ChildData>	getAllChildrenWithData(org.apache.curator.framework.CuratorFramework curator, String parentPath)
static byte[]	getBytesFromZk(org.apache.curator.framework.CuratorFramework client, String path)
static <T,X extends Throwable> T	getFromZk(org.apache.curator.framework.CuratorFramework client, String path, com.github.phantomthief.util.ThrowableFunction<byte[],T,X> decoder)
static String	getStringFromZk(org.apache.curator.framework.CuratorFramework client, String path)
static void	removeFromZk(org.apache.curator.framework.CuratorFramework client, String path)
static void	removeFromZk(org.apache.curator.framework.CuratorFramework client, String path, boolean recruitDeletedChildren)
static void	setToZk(org.apache.curator.framework.CuratorFramework client, String path, byte[] value)
static void	setToZk(org.apache.curator.framework.CuratorFramework client, String path, byte[] value, org.apache.zookeeper.CreateMode createMode) Deprecated.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Detail

getStringFromZk

public static String getStringFromZk(org.apache.curator.framework.CuratorFramework client,
                                     String path)

getBytesFromZk

public static byte[] getBytesFromZk(org.apache.curator.framework.CuratorFramework client,
                                    String path)

getFromZk

public static <T,X extends Throwable> T getFromZk(org.apache.curator.framework.CuratorFramework client,
                                                  String path,
                                                  com.github.phantomthief.util.ThrowableFunction<byte[],T,X> decoder)
                                           throws X extends Throwable

Throws:

X extends Throwable

setToZk

public static void setToZk(org.apache.curator.framework.CuratorFramework client,
                           String path,
                           byte[] value)

setToZk

@Deprecated
public static void setToZk(org.apache.curator.framework.CuratorFramework client,
                                       String path,
                                       byte[] value,
                                       org.apache.zookeeper.CreateMode createMode)

Deprecated.

use setToZk(CuratorFramework, String, byte[]) or createEphemeralNode(CuratorFramework, String, byte[])

createEphemeralNode

public static EphemeralNode createEphemeralNode(org.apache.curator.framework.CuratorFramework client,
                                                String path,
                                                byte[] value)
                                         throws org.apache.zookeeper.KeeperException.NodeExistsException

Throws:

org.apache.zookeeper.KeeperException.NodeExistsException

removeFromZk

public static void removeFromZk(org.apache.curator.framework.CuratorFramework client,
                                String path)

removeFromZk

public static void removeFromZk(org.apache.curator.framework.CuratorFramework client,
                                String path,
                                boolean recruitDeletedChildren)

changeZkValue

public static <T> void changeZkValue(org.apache.curator.framework.CuratorFramework client,
                                     String path,
                                     Function<T,T> changeFunction,
                                     Function<byte[],T> decoder,
                                     Function<T,byte[]> encoder)

changeZkValue

public static boolean changeZkValue(org.apache.curator.framework.CuratorFramework client,
                                    String path,
                                    Function<byte[],byte[]> changeFunction,
                                    int retryTimes,
                                    long retryWait)

getAllChildrenWithData

public static Stream<org.apache.curator.framework.recipes.cache.ChildData> getAllChildrenWithData(org.apache.curator.framework.CuratorFramework curator,
                                                                                                  String parentPath)

getAllChildren

public static Stream<String> getAllChildren(org.apache.curator.framework.CuratorFramework curator,
                                            String parentPath)