程序包 net.wicp.tams.common.flink.connector.redis.connector

类 RedisScanFunction

java.lang.Object

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

org.apache.flink.streaming.api.functions.source.RichSourceFunction<org.apache.flink.table.data.RowData>

net.wicp.tams.common.flink.connector.redis.connector.RedisScanFunction

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.api.java.typeutils.ResultTypeQueryable<org.apache.flink.table.data.RowData>, org.apache.flink.streaming.api.functions.source.SourceFunction<org.apache.flink.table.data.RowData>

public class RedisScanFunction
extends org.apache.flink.streaming.api.functions.source.RichSourceFunction<org.apache.flink.table.data.RowData>
implements org.apache.flink.api.java.typeutils.ResultTypeQueryable<org.apache.flink.table.data.RowData>

不需要CheckpointedFunction

作者:

Andy.zhou

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 extends Object>

构造器概要

构造器

构造器	说明
RedisScanFunction(org.apache.flink.configuration.Configuration optionsWith, List<org.apache.flink.table.types.logical.RowType.RowField> rowTypeFields, org.apache.flink.table.catalog.UniqueConstraint primaryKey)	需要在配置文件中存在相关的配置

方法概要

修饰符和类型	方法	说明
void	cancel()
static int[]	createValueFormatProjection(org.apache.flink.table.types.DataType physicalDataType)
org.apache.flink.api.common.typeinfo.TypeInformation<org.apache.flink.table.data.RowData>	getProducedType()
void	open(org.apache.flink.configuration.Configuration parameters)
void	run(org.apache.flink.streaming.api.functions.source.SourceFunction.SourceContext<org.apache.flink.table.data.RowData> ctx)
void	setRuntimeContext(org.apache.flink.api.common.functions.RuntimeContext t)

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

close, getIterationRuntimeContext, getRuntimeContext

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

RedisScanFunction

public RedisScanFunction(org.apache.flink.configuration.Configuration optionsWith,
                         List<org.apache.flink.table.types.logical.RowType.RowField> rowTypeFields,
                         org.apache.flink.table.catalog.UniqueConstraint primaryKey)

需要在配置文件中存在相关的配置

参数:

optionsWith -

rowTypeFields -

方法详细资料

run

public void run(org.apache.flink.streaming.api.functions.source.SourceFunction.SourceContext<org.apache.flink.table.data.RowData> ctx)
         throws Exception

指定者:

run 在接口中 org.apache.flink.streaming.api.functions.source.SourceFunction<org.apache.flink.table.data.RowData>

抛出:

Exception

createValueFormatProjection

public static int[] createValueFormatProjection(org.apache.flink.table.types.DataType physicalDataType)

cancel

public void cancel()

指定者:

cancel 在接口中 org.apache.flink.streaming.api.functions.source.SourceFunction<org.apache.flink.table.data.RowData>

getProducedType

public org.apache.flink.api.common.typeinfo.TypeInformation<org.apache.flink.table.data.RowData> getProducedType()

指定者:

getProducedType 在接口中 org.apache.flink.api.java.typeutils.ResultTypeQueryable<org.apache.flink.table.data.RowData>

setRuntimeContext

public void setRuntimeContext(org.apache.flink.api.common.functions.RuntimeContext t)

指定者:

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

覆盖:

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

open

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

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