org.apache.flink.table.utils

Class IntervalFreshnessUtils

java.lang.Object

org.apache.flink.table.utils.IntervalFreshnessUtils

@Internal
public class IntervalFreshnessUtils
extends Object

Utilities to IntervalFreshness.

Method Summary

Modifier and Type	Method and Description
static String	convertFreshnessToCron(IntervalFreshness intervalFreshness) This is an util method that is used to convert the freshness of materialized table to cron expression in full refresh mode.
static Duration	convertFreshnessToDuration(IntervalFreshness intervalFreshness)

Methods inherited from class java.lang.Object

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

Method Detail

convertFreshnessToDuration

public static Duration convertFreshnessToDuration(IntervalFreshness intervalFreshness)

convertFreshnessToCron

public static String convertFreshnessToCron(IntervalFreshness intervalFreshness)

This is an util method that is used to convert the freshness of materialized table to cron expression in full refresh mode. Since freshness and cron expression cannot be converted equivalently, there are currently only a limited patterns of freshness that can be converted to cron expression.