com.baidu.bigpipe.protocol.meta

类 NameService

java.lang.Object

com.baidu.bigpipe.protocol.meta.NameService

public final class NameService
extends Object

名字服务，负责从bigpipe zk服务中心获取bigpipe地址信息

作者:

hexiufeng

构造器概要

构造器

构造器和说明
NameService(String topDomainName)

方法概要

方法

限定符和类型	方法和说明
String	getClusterName()
MetaLoader	getMetaLoader()
PipeletInstanceRoleSelectStrategy	getRoleStrategy()
TopicAddress	lookupForPub(String pipelet) 发布时，从zk中根据pipelet名称获取具体实例的地址
TopicAddress	lookupForSub(String pipelet, long position) 订阅时，从zk中根据pipelet名称获取具体实例的地址
QueueAddress	lookupQueue(String queueName) 从zk中获取queue的地址
void	setClusterName(String clusterName)
void	setMetaLoader(MetaLoader metaLoader)
void	setRoleStrategy(PipeletInstanceRoleSelectStrategy roleStrategy)

从类继承的方法 java.lang.Object

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

构造器详细资料

NameService

public NameService(String topDomainName)

方法详细资料

getMetaLoader

public MetaLoader getMetaLoader()

setMetaLoader

public void setMetaLoader(MetaLoader metaLoader)

setClusterName

public void setClusterName(String clusterName)

getClusterName

public String getClusterName()

getRoleStrategy

public PipeletInstanceRoleSelectStrategy getRoleStrategy()

setRoleStrategy

public void setRoleStrategy(PipeletInstanceRoleSelectStrategy roleStrategy)

lookupForSub

public TopicAddress lookupForSub(String pipelet,
                        long position)
                          throws NameResolveException,
                                 org.apache.zookeeper.KeeperException

订阅时，从zk中根据pipelet名称获取具体实例的地址

参数:

pipelet - pipelet名称

position - 订阅点

返回:

TopicAddress topic地址

抛出:

NameResolveException - 名字解析异常

org.apache.zookeeper.KeeperException - zk异常

lookupForPub

public TopicAddress lookupForPub(String pipelet)
                          throws NameResolveException,
                                 org.apache.zookeeper.KeeperException

发布时，从zk中根据pipelet名称获取具体实例的地址

参数:

pipelet - pipelet名称

返回:

TopicAddress topic地址

抛出:

NameResolveException - 名字解析异常

org.apache.zookeeper.KeeperException - zk异常

lookupQueue

public QueueAddress lookupQueue(String queueName)
                         throws QueueLocateException,
                                org.apache.zookeeper.KeeperException

从zk中获取queue的地址

参数:

queueName - queueName

返回:

QueueAddress queue地址

抛出:

QueueLocateException - 名字解析异常

org.apache.zookeeper.KeeperException - zk异常