org.apache.flink.streaming.api.windowing

Class WindowUtils

java.lang.Object

org.apache.flink.streaming.api.windowing.WindowUtils

public class WindowUtils
extends Object

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	WindowUtils.WindowKey<R>
static class	WindowUtils.WindowTransformation

Constructor Summary

Constructors

Constructor and Description
WindowUtils()

Method Summary

Modifier and Type	Method and Description
static long	getSlideSize(TriggerPolicy<?> trigger)
static <X> TimestampWrapper<X>	getTimeStampWrapper(EvictionPolicy<X> eviction)
static <X> TimestampWrapper<X>	getTimeStampWrapper(TriggerPolicy<X> trigger)
static long	getWindowSize(EvictionPolicy<?> eviction)
static boolean	isCountOnly(TriggerPolicy<?> trigger, EvictionPolicy<?> eviction)
static boolean	isJumpingCountPolicy(TriggerPolicy<?> trigger, EvictionPolicy<?> eviction)
static boolean	isJumpingTimePolicy(TriggerPolicy<?> trigger, EvictionPolicy<?> eviction)
static boolean	isParallelPolicy(TriggerPolicy<?> trigger, EvictionPolicy<?> eviction, int parallelism)
static boolean	isSlidingCountPolicy(TriggerPolicy<?> trigger, EvictionPolicy<?> eviction)
static boolean	isSlidingTimePolicy(TriggerPolicy<?> trigger, EvictionPolicy<?> eviction)
static boolean	isSystemTimeTrigger(TriggerPolicy<?> trigger)
static boolean	isTimeOnly(TriggerPolicy<?> trigger, EvictionPolicy<?> eviction)
static boolean	isTumblingPolicy(TriggerPolicy<?> trigger, EvictionPolicy<?> eviction)

Methods inherited from class java.lang.Object

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

Constructor Detail

WindowUtils

public WindowUtils()

Method Detail

isParallelPolicy

public static boolean isParallelPolicy(TriggerPolicy<?> trigger,
                                       EvictionPolicy<?> eviction,
                                       int parallelism)

isSlidingTimePolicy

public static boolean isSlidingTimePolicy(TriggerPolicy<?> trigger,
                                          EvictionPolicy<?> eviction)

isSlidingCountPolicy

public static boolean isSlidingCountPolicy(TriggerPolicy<?> trigger,
                                           EvictionPolicy<?> eviction)

getTimeStampWrapper

public static <X> TimestampWrapper<X> getTimeStampWrapper(TriggerPolicy<X> trigger)

getTimeStampWrapper

public static <X> TimestampWrapper<X> getTimeStampWrapper(EvictionPolicy<X> eviction)

getSlideSize

public static long getSlideSize(TriggerPolicy<?> trigger)

getWindowSize

public static long getWindowSize(EvictionPolicy<?> eviction)

isTumblingPolicy

public static boolean isTumblingPolicy(TriggerPolicy<?> trigger,
                                       EvictionPolicy<?> eviction)

isTimeOnly

public static boolean isTimeOnly(TriggerPolicy<?> trigger,
                                 EvictionPolicy<?> eviction)

isCountOnly

public static boolean isCountOnly(TriggerPolicy<?> trigger,
                                  EvictionPolicy<?> eviction)

isSystemTimeTrigger

public static boolean isSystemTimeTrigger(TriggerPolicy<?> trigger)

isJumpingCountPolicy

public static boolean isJumpingCountPolicy(TriggerPolicy<?> trigger,
                                           EvictionPolicy<?> eviction)

isJumpingTimePolicy

public static boolean isJumpingTimePolicy(TriggerPolicy<?> trigger,
                                          EvictionPolicy<?> eviction)