org.das2.dataset
Class NullDataSetCache

java.lang.Object
  org.das2.dataset.NullDataSetCache

All Implemented Interfaces:

DataSetCache

public class NullDataSetCache
extends java.lang.Object
implements DataSetCache

DataSetCache that does no caching at all. This is useful for batch mode or when dataset caching is undesirable.

Constructor Summary

NullDataSetCache()

Method Summary

boolean	haveStored(DataSetDescriptor dsd, CacheTag cacheTag)
void	reset()
DataSet	retrieve(DataSetDescriptor dsd, CacheTag cacheTag)
void	store(DataSetDescriptor dsd, CacheTag cacheTag, DataSet data)

Methods inherited from class java.lang.Object

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

Constructor Detail

NullDataSetCache

public NullDataSetCache()

Method Detail

store

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

Specified by:

store in interface DataSetCache

haveStored

public boolean haveStored(DataSetDescriptor dsd,
                          CacheTag cacheTag)

Specified by:

haveStored in interface DataSetCache

retrieve

public DataSet retrieve(DataSetDescriptor dsd,
                        CacheTag cacheTag)

Specified by:

retrieve in interface DataSetCache

reset

public void reset()

Specified by:

reset in interface DataSetCache