Package org.apache.storm.windowing
Class DefaultEvictionContext
- java.lang.Object
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- org.apache.storm.windowing.DefaultEvictionContext
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- All Implemented Interfaces:
EvictionContext
public class DefaultEvictionContext extends Object implements EvictionContext
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Constructor Summary
Constructors Constructor Description DefaultEvictionContext(Long referenceTime)DefaultEvictionContext(Long referenceTime, Long currentCount)DefaultEvictionContext(Long referenceTime, Long currentCount, Long slidingCount)DefaultEvictionContext(Long referenceTime, Long currentCount, Long slidingCount, Long slidingInterval)
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description LonggetCurrentCount()Returns the current count of events in the queue up to the reference time based on which count based evictions can be performed.LonggetReferenceTime()Returns the reference time that the eviction policy could use to evict the events.LonggetSlidingCount()Returns the sliding count for count based windows.LonggetSlidingInterval()Returns the sliding interval for time based windows.
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Method Detail
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getReferenceTime
public Long getReferenceTime()
Description copied from interface:EvictionContextReturns the reference time that the eviction policy could use to evict the events. In the case of event time processing, this would be the watermark time.- Specified by:
getReferenceTimein interfaceEvictionContext- Returns:
- the reference time in millis
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getCurrentCount
public Long getCurrentCount()
Description copied from interface:EvictionContextReturns the current count of events in the queue up to the reference time based on which count based evictions can be performed.- Specified by:
getCurrentCountin interfaceEvictionContext- Returns:
- the current count
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getSlidingCount
public Long getSlidingCount()
Description copied from interface:EvictionContextReturns the sliding count for count based windows.- Specified by:
getSlidingCountin interfaceEvictionContext- Returns:
- the sliding count
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getSlidingInterval
public Long getSlidingInterval()
Description copied from interface:EvictionContextReturns the sliding interval for time based windows.- Specified by:
getSlidingIntervalin interfaceEvictionContext- Returns:
- the sliding interval
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