org.das2.dataset
Class SimpleDataSetCache

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

All Implemented Interfaces:

DataSetCache

public class SimpleDataSetCache
extends AbstractDataSetCache

simply cache data by storing one per DataSetDescriptor.

Nested Class Summary

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

AbstractDataSetCache.Entry

Field Summary

protected java.util.Map

buffer

Fields inherited from class org.das2.dataset.AbstractDataSetCache

hits, misses

Constructor Summary

SimpleDataSetCache()
Creates a new instance of StandardDataStreamCache

Method Summary

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 java.util.Map buffer

Constructor Detail

SimpleDataSetCache

public SimpleDataSetCache()

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

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object