org.jbosson.plugins.fuse.utils

Class LinkedInFabricRegistryImpl

java.lang.Object

org.jbosson.plugins.fuse.utils.LinkedInFabricRegistryImpl

All Implemented Interfaces:

FabricRegistry

public class LinkedInFabricRegistryImpl
extends Object
implements FabricRegistry

Implements FabricRegistry using LinkedIn Zookeeper library.

Author:

dbokde

Constructor Summary

Constructors

Constructor and Description
LinkedInFabricRegistryImpl(String zooKeeperUrl, String zooKeeperPassword, long timeout, String containerName)

Method Summary

Methods

Modifier and Type	Method and Description
void	connect() Connect to registry.
void	disconnect() Disconnect from registry closing any resources.
Object	getClient() Can't return IZKClient here as its dynamically loaded.
String[]	getContainerProfiles(String containerVersion) Gets container profiles.
String	getContainerVersion() Gets container version.
String	getTextNode(String key) Reads a text node from the specified zookeeper location.
static boolean	isSupported()
void	writeTextNode(String key, String value) Writes a test node to the specified zookeeper location.

Methods inherited from class java.lang.Object

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

Constructor Detail

LinkedInFabricRegistryImpl

public LinkedInFabricRegistryImpl(String zooKeeperUrl,
                          String zooKeeperPassword,
                          long timeout,
                          String containerName)

Method Detail

isSupported

public static boolean isSupported()

connect

public void connect()
             throws Exception

Description copied from interface: FabricRegistry

Connect to registry.

Specified by:

connect in interface FabricRegistry

Throws:

Exception - on error.

disconnect

public void disconnect()
                throws Exception

Description copied from interface: FabricRegistry

Disconnect from registry closing any resources.

Specified by:

disconnect in interface FabricRegistry

Throws:

Exception - on error

getContainerVersion

public String getContainerVersion()
                           throws Exception

Description copied from interface: FabricRegistry

Gets container version.

Specified by:

getContainerVersion in interface FabricRegistry

Returns:

container version string.

Throws:

Exception - on error.

getContainerProfiles

public String[] getContainerProfiles(String containerVersion)
                              throws Exception

Description copied from interface: FabricRegistry

Gets container profiles.

Specified by:

getContainerProfiles in interface FabricRegistry

Parameters:

containerVersion - container's current version.

Returns:

profile names used directly by container.

Throws:

Exception - on error.

writeTextNode

public void writeTextNode(String key,
                 String value)
                   throws Exception

Description copied from interface: FabricRegistry

Writes a test node to the specified zookeeper location.

Specified by:

writeTextNode in interface FabricRegistry

Parameters:

key - In Zookeeper registry.

Throws:

Exception - on error.

getTextNode

public String getTextNode(String key)
                   throws Exception

Description copied from interface: FabricRegistry

Reads a text node from the specified zookeeper location. Returns null in case node is not existing

Specified by:

getTextNode in interface FabricRegistry

Parameters:

key - In Zookeeper registry.

Throws:

Exception - on error.

getClient

public Object getClient()

Can't return IZKClient here as its dynamically loaded.

Returns:

IZKClient instance.