org.apache.flink.table.runtime.collector

类 TableFunctionCollector<T>

java.lang.Object

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

org.apache.flink.table.runtime.collector.TableFunctionCollector<T>

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.util.Collector<T>

public abstract class TableFunctionCollector<T>
extends org.apache.flink.api.common.functions.AbstractRichFunction
implements org.apache.flink.util.Collector<T>

The basic implementation of collector for TableFunction.

另请参阅:

序列化表格

构造器概要

构造器

构造器和说明
TableFunctionCollector()

方法概要

限定符和类型	方法和说明
void	close()
Object	getInput() Gets the input value from left table, which will be used to cross join with the result of table function.
boolean	isCollected() Whether Collector.collect(Object) has been called.
void	outputResult(Object result) Output final result of this UDTF to downstreams.
void	reset() Resets the flag to indicate whether [[collect(T)]] has been called.
void	setCollector(org.apache.flink.util.Collector<?> collector) Sets the current collector, which used to emit the final row.
void	setInput(Object input) Sets the input row from left table, which will be used to cross join with the result of table function.

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

getIterationRuntimeContext, getRuntimeContext, open, setRuntimeContext

从类继承的方法 java.lang.Object

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

从接口继承的方法 org.apache.flink.util.Collector

collect

构造器详细资料

TableFunctionCollector

public TableFunctionCollector()

方法详细资料

setInput

public void setInput(Object input)

Sets the input row from left table, which will be used to cross join with the result of table function.

getInput

public Object getInput()

Gets the input value from left table, which will be used to cross join with the result of table function.

setCollector

public void setCollector(org.apache.flink.util.Collector<?> collector)

Sets the current collector, which used to emit the final row.

reset

public void reset()

Resets the flag to indicate whether [[collect(T)]] has been called.

outputResult

public void outputResult(Object result)

Output final result of this UDTF to downstreams.

isCollected

public boolean isCollected()

Whether Collector.collect(Object) has been called.

返回:

True if Collector.collect(Object) has been called.

close

public void close()

指定者:

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

指定者:

close 在接口中 org.apache.flink.util.Collector<T>

覆盖:

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