org.das2.dataset
Class LimitCountDataSetCache

java.lang.Object
  org.das2.dataset.AbstractDataSetCache
      org.das2.dataset.LimitCountDataSetCache

All Implemented Interfaces:

DataSetCache

public class LimitCountDataSetCache
extends AbstractDataSetCache

Nested Class Summary

Nested classes/interfaces inherited from class org.das2.dataset.AbstractDataSetCache

AbstractDataSetCache.Entry

Field Summary

protected AbstractDataSetCache.Entry[]

buffer

Fields inherited from class org.das2.dataset.AbstractDataSetCache

hits, misses

Constructor Summary

LimitCountDataSetCache(int count)
Creates a new instance of StandardDataStreamCache

Method Summary

double	calcHitRate()
boolean	haveStoredImpl(DataSetDescriptor dsd, CacheTag cacheTag)
void	reset() reset the internal state of the cache
DataSet	retrieveImpl(DataSetDescriptor dsd, CacheTag cacheTag)
void	store(DataSetDescriptor dsd, CacheTag cacheTag, DataSet data)
java.lang.String	toString()

Methods inherited from class org.das2.dataset.AbstractDataSetCache

cacheValue, coalese, haveStored, isResetCache, retrieve, setResetCache

Methods inherited from class java.lang.Object

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

Field Detail

buffer

protected AbstractDataSetCache.Entry[] buffer

Constructor Detail

LimitCountDataSetCache

public LimitCountDataSetCache(int count)

Creates a new instance of StandardDataStreamCache

Method Detail

store

public void store(DataSetDescriptor dsd,
                  CacheTag cacheTag,
                  DataSet data)

Specified by:

store in interface DataSetCache

Specified by:

store in class AbstractDataSetCache

haveStoredImpl

public boolean haveStoredImpl(DataSetDescriptor dsd,
                              CacheTag cacheTag)

retrieveImpl

public DataSet retrieveImpl(DataSetDescriptor dsd,
                            CacheTag cacheTag)

reset

public void reset()

Description copied from class: AbstractDataSetCache

reset the internal state of the cache

Specified by:

reset in interface DataSetCache

Specified by:

reset in class AbstractDataSetCache

calcHitRate

public double calcHitRate()

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object