org.apache.flink.connector.nebula.source

类 NebulaSourceFunction

java.lang.Object

org.apache.flink.api.common.functions.AbstractRichFunction

org.apache.flink.streaming.api.functions.source.RichSourceFunction<com.vesoft.nebula.client.storage.data.BaseTableRow>

org.apache.flink.connector.nebula.source.NebulaSourceFunction

所有已实现的接口:

Serializable, org.apache.flink.api.common.functions.Function, org.apache.flink.api.common.functions.RichFunction, org.apache.flink.streaming.api.functions.source.SourceFunction<com.vesoft.nebula.client.storage.data.BaseTableRow>

public class NebulaSourceFunction
extends org.apache.flink.streaming.api.functions.source.RichSourceFunction<com.vesoft.nebula.client.storage.data.BaseTableRow>

Implementation of RichSourceFunction to get NebulaGraph vertex and edge.

另请参阅:

序列化表格

嵌套类概要

从接口继承的嵌套类/接口 org.apache.flink.streaming.api.functions.source.SourceFunction

org.apache.flink.streaming.api.functions.source.SourceFunction.SourceContext<T>

构造器概要

构造器

构造器和说明
NebulaSourceFunction(NebulaStorageConnectionProvider connectionProvider)

方法概要

限定符和类型	方法和说明
void	cancel()
void	close() close nebula client
void	open(org.apache.flink.configuration.Configuration parameters) open nebula client
void	run(org.apache.flink.streaming.api.functions.source.SourceFunction.SourceContext<com.vesoft.nebula.client.storage.data.BaseTableRow> sourceContext) execute scan nebula data
NebulaSourceFunction	setExecutionOptions(ExecutionOptions executionOptions)

从类继承的方法 org.apache.flink.api.common.functions.AbstractRichFunction

getIterationRuntimeContext, getRuntimeContext, setRuntimeContext

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

NebulaSourceFunction

public NebulaSourceFunction(NebulaStorageConnectionProvider connectionProvider)

方法详细资料

open

public void open(org.apache.flink.configuration.Configuration parameters)
          throws Exception

open nebula client

指定者:

open 在接口中 org.apache.flink.api.common.functions.RichFunction

覆盖:

open 在类中 org.apache.flink.api.common.functions.AbstractRichFunction

抛出:

Exception

close

public void close()
           throws Exception

close nebula client

指定者:

close 在接口中 org.apache.flink.api.common.functions.RichFunction

覆盖:

close 在类中 org.apache.flink.api.common.functions.AbstractRichFunction

抛出:

Exception

run

public void run(org.apache.flink.streaming.api.functions.source.SourceFunction.SourceContext<com.vesoft.nebula.client.storage.data.BaseTableRow> sourceContext)
         throws Exception

execute scan nebula data

抛出:

Exception

cancel

public void cancel()

setExecutionOptions

public NebulaSourceFunction setExecutionOptions(ExecutionOptions executionOptions)