org.apache.flink.table.sources.wmstrategies

类 PunctuatedWatermarkAssigner

java.lang.Object

org.apache.flink.table.sources.wmstrategies.WatermarkStrategy

org.apache.flink.table.sources.wmstrategies.PunctuatedWatermarkAssigner

所有已实现的接口:

Serializable, org.apache.flink.table.descriptors.Descriptor

@PublicEvolving
public abstract class PunctuatedWatermarkAssigner
extends org.apache.flink.table.sources.wmstrategies.WatermarkStrategy

A punctuated watermark assigner.

另请参阅:

序列化表格

构造器概要

构造器

构造器和说明
PunctuatedWatermarkAssigner()

方法概要

限定符和类型	方法和说明
abstract org.apache.flink.streaming.api.watermark.Watermark	getWatermark(org.apache.flink.types.Row row, long timestamp) Returns the watermark for the current row or null if no watermark should be generated.

从类继承的方法 org.apache.flink.table.sources.wmstrategies.WatermarkStrategy

toProperties

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

PunctuatedWatermarkAssigner

public PunctuatedWatermarkAssigner()

方法详细资料

getWatermark

public abstract org.apache.flink.streaming.api.watermark.Watermark getWatermark(org.apache.flink.types.Row row,
                                                                                long timestamp)

Returns the watermark for the current row or null if no watermark should be generated.

参数:

row - The current row.

timestamp - The value of the timestamp attribute for the row.

返回:

The watermark for this row or null if no watermark should be generated.