org.apache.shardingsphere.elasticjob.lite.internal.storage

类 JobNodeStorage

java.lang.Object

org.apache.shardingsphere.elasticjob.lite.internal.storage.JobNodeStorage

public final class JobNodeStorage
extends Object

Job node storage.

构造器概要

构造器

构造器和说明
JobNodeStorage(CoordinatorRegistryCenter regCenter, String jobName)

方法概要

限定符和类型	方法和说明
void	addConnectionStateListener(org.apache.curator.framework.state.ConnectionStateListener listener) Add connection state listener.
void	addDataListener(org.apache.curator.framework.recipes.cache.CuratorCacheListener listener) Add data listener.
void	createJobNodeIfNeeded(String node) Create job node if needed.
void	executeInLeader(String latchNode, LeaderExecutionCallback callback) Execute in leader server.
void	executeInTransaction(TransactionExecutionCallback callback) Execute operator in transaction.
void	fillEphemeralJobNode(String node, Object value) Fill ephemeral job node.
void	fillJobNode(String node, Object value) Fill job node.
List<String>	getJobNodeChildrenKeys(String node) Get job node children keys.
String	getJobNodeData(String node) Get job node data.
String	getJobNodeDataDirectly(String node) Get job node data from registry center directly.
String	getJobRootNodeData() Get job root node data.
long	getRegistryCenterTime() Get registry center time.
boolean	isJobNodeExisted(String node) Judge is job node existed or not.
boolean	isJobRootNodeExisted() Judge is job root node existed or not.
void	removeJobNodeIfExisted(String node) Remove job node if existed.
void	replaceJobNode(String node, Object value) Replace data.
void	replaceJobRootNode(Object value) Replace data to root node.
void	updateJobNode(String node, Object value) Update job node.

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

JobNodeStorage

public JobNodeStorage(CoordinatorRegistryCenter regCenter,
                      String jobName)

方法详细资料

isJobNodeExisted

public boolean isJobNodeExisted(String node)

Judge is job node existed or not.

参数:

node - node

返回:

is job node existed or not

isJobRootNodeExisted

public boolean isJobRootNodeExisted()

Judge is job root node existed or not.

返回:

is job root node existed or not

getJobNodeData

public String getJobNodeData(String node)

Get job node data.

参数:

node - node

返回:

data of job node

getJobNodeDataDirectly

public String getJobNodeDataDirectly(String node)

Get job node data from registry center directly.

参数:

node - node

返回:

data of job node

getJobNodeChildrenKeys

public List<String> getJobNodeChildrenKeys(String node)

Get job node children keys.

参数:

node - node

返回:

children keys

getJobRootNodeData

public String getJobRootNodeData()

Get job root node data.

返回:

data of job node

createJobNodeIfNeeded

public void createJobNodeIfNeeded(String node)

Create job node if needed.

Do not create node if root root not existed, which means job is shutdown.

参数:

node - node

removeJobNodeIfExisted

public void removeJobNodeIfExisted(String node)

Remove job node if existed.

参数:

node - node

fillJobNode

public void fillJobNode(String node,
                        Object value)

Fill job node.

参数:

node - node

value - data of job node

fillEphemeralJobNode

public void fillEphemeralJobNode(String node,
                                 Object value)

Fill ephemeral job node.

参数:

node - node

value - data of job node

updateJobNode

public void updateJobNode(String node,
                          Object value)

Update job node.

参数:

node - node

value - data of job node

replaceJobNode

public void replaceJobNode(String node,
                           Object value)

Replace data.

参数:

node - node

value - to be replaced data

replaceJobRootNode

public void replaceJobRootNode(Object value)

Replace data to root node.

参数:

value - to be replaced data

executeInTransaction

public void executeInTransaction(TransactionExecutionCallback callback)

Execute operator in transaction.

参数:

callback - transaction execution callback

executeInLeader

public void executeInLeader(String latchNode,
                            LeaderExecutionCallback callback)

Execute in leader server.

参数:

latchNode - node for leader latch

callback - execute callback

addConnectionStateListener

public void addConnectionStateListener(org.apache.curator.framework.state.ConnectionStateListener listener)

Add connection state listener.

参数:

listener - connection state listener

addDataListener

public void addDataListener(org.apache.curator.framework.recipes.cache.CuratorCacheListener listener)

Add data listener.

参数:

listener - data listener

getRegistryCenterTime

public long getRegistryCenterTime()

Get registry center time.

返回:

registry center time