Package org.apache.flink.table.runtime.operators.wmassigners

Class PeriodicWatermarkAssignerWrapper

java.lang.Object
org.apache.flink.table.runtime.operators.wmassigners.PeriodicWatermarkAssignerWrapper
All Implemented Interfaces:
Serializable, org.apache.flink.api.common.eventtime.TimestampAssigner<org.apache.flink.table.data.RowData>, org.apache.flink.api.common.eventtime.TimestampAssignerSupplier<org.apache.flink.table.data.RowData>, org.apache.flink.api.common.eventtime.WatermarkGeneratorSupplier<org.apache.flink.table.data.RowData>, org.apache.flink.api.common.eventtime.WatermarkStrategy<org.apache.flink.table.data.RowData>, org.apache.flink.streaming.runtime.operators.util.WatermarkStrategyWithPeriodicWatermarks<org.apache.flink.table.data.RowData>
@Internal public class PeriodicWatermarkAssignerWrapper extends Object implements org.apache.flink.streaming.runtime.operators.util.WatermarkStrategyWithPeriodicWatermarks<org.apache.flink.table.data.RowData>
Generates periodic watermarks based on a PeriodicWatermarkAssigner.
See Also:

  • Nested Class Summary

    Nested classes/interfaces inherited from interface org.apache.flink.api.common.eventtime.TimestampAssignerSupplier

    org.apache.flink.api.common.eventtime.TimestampAssignerSupplier.Context, org.apache.flink.api.common.eventtime.TimestampAssignerSupplier.SupplierFromSerializableTimestampAssigner<T extends Object>

    Nested classes/interfaces inherited from interface org.apache.flink.api.common.eventtime.WatermarkGeneratorSupplier

    org.apache.flink.api.common.eventtime.WatermarkGeneratorSupplier.Context

  • Field Summary

    Fields inherited from interface org.apache.flink.api.common.eventtime.TimestampAssigner

    NO_TIMESTAMP

  • Constructor Summary

    Constructors
    Constructor
    Description
    PeriodicWatermarkAssignerWrapper(org.apache.flink.table.sources.wmstrategies.PeriodicWatermarkAssigner assigner, int timeFieldIdx)
     

  • Method Summary

    Modifier and Type
    Method
    Description
    long
    extractTimestamp(org.apache.flink.table.data.RowData row, long recordTimestamp)
     
    org.apache.flink.streaming.api.watermark.Watermark
    getCurrentWatermark()
     

    Methods inherited from class java.lang.Object

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

    Methods inherited from interface org.apache.flink.api.common.eventtime.WatermarkStrategy

    getAlignmentParameters, withIdleness, withTimestampAssigner, withTimestampAssigner, withWatermarkAlignment, withWatermarkAlignment

    Methods inherited from interface org.apache.flink.streaming.runtime.operators.util.WatermarkStrategyWithPeriodicWatermarks

    createTimestampAssigner, createWatermarkGenerator

  • Constructor Details

    • PeriodicWatermarkAssignerWrapper

      public PeriodicWatermarkAssignerWrapper(org.apache.flink.table.sources.wmstrategies.PeriodicWatermarkAssigner assigner, int timeFieldIdx)
      Parameters:
      timeFieldIdx - the index of the rowtime attribute.
      assigner - the watermark assigner.

  • Method Details

    • getCurrentWatermark

      @Nullable public org.apache.flink.streaming.api.watermark.Watermark getCurrentWatermark()
      Specified by:
      getCurrentWatermark in interface org.apache.flink.streaming.runtime.operators.util.WatermarkStrategyWithPeriodicWatermarks<org.apache.flink.table.data.RowData>

    • extractTimestamp

      public long extractTimestamp(org.apache.flink.table.data.RowData row, long recordTimestamp)
      Specified by:
      extractTimestamp in interface org.apache.flink.api.common.eventtime.TimestampAssigner<org.apache.flink.table.data.RowData>