org.das2.dataset

Class LimitSizeBytesDataSetCache

java.lang.Object

org.das2.dataset.AbstractDataSetCache

org.das2.dataset.LimitSizeBytesDataSetCache

All Implemented Interfaces:

DataSetCache

public class LimitSizeBytesDataSetCache
extends AbstractDataSetCache

DataCache that attempts to limit the amount of memory it consumes, by using DataSetUtil.guessSizeBytes(DataSet)

Nested Class Summary

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

AbstractDataSetCache.Entry

Field Summary

Fields inherited from class org.das2.dataset.AbstractDataSetCache

hits, misses

Constructor Summary

Constructors

Constructor and Description
LimitSizeBytesDataSetCache(long totalSizeLimitBytes) Creates a new instance of LimitSizeBytesDataSetCache

Method Summary

Modifier and Type	Method and Description
java.lang.String	getDisplayString()
AbstractDataSetCache.Entry[]	getEntries()
AbstractDataSetCache.Entry	getEntries(int i)
Datum	getHitRate()
Datum	getTotalSize()
Datum	getTotalSizeLimit()
void	reset() reset the internal state of the cache
void	setTotalSizeLimit(Datum d)
void	store(DataSetDescriptor dsd, CacheTag cacheTag, DataSet data)

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, toString, wait, wait, wait

Constructor Detail

LimitSizeBytesDataSetCache

public LimitSizeBytesDataSetCache(long totalSizeLimitBytes)

Creates a new instance of LimitSizeBytesDataSetCache

Method Detail

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

store

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

Specified by:

store in interface DataSetCache

Specified by:

store in class AbstractDataSetCache

getEntries

public AbstractDataSetCache.Entry[] getEntries()

getEntries

public AbstractDataSetCache.Entry getEntries(int i)

getTotalSize

public Datum getTotalSize()

getTotalSizeLimit

public Datum getTotalSizeLimit()

setTotalSizeLimit

public void setTotalSizeLimit(Datum d)

getHitRate

public Datum getHitRate()

getDisplayString

public java.lang.String getDisplayString()