org.epics.pvmanager.timecache.storage

Interface DataStorage

All Superinterfaces:

DataSource

All Known Implementing Classes:

SimpleMemoryStorage

public interface DataStorage
extends DataSource

Retrieves and stores samples from/to a storage.

Author:

Fred Arnaud (Sopra Group) - ITER

Method Summary

Methods

Modifier and Type	Method and Description
void	addListener(DataStorageListener listener) Adds a DataStorageListener to be notified when data is lost.
SortedSet<Data>	getAvailableData(org.epics.util.time.TimeInterval interval) Returns all available Data within the requested TimeInterval.
boolean	hasAvailableData(org.epics.util.time.TimeInterval interval) Returns true if some data is available within the requested interval, false otherwise.
void	removeListener(DataStorageListener listener) Removes a DataStorageListener.
SortedSet<Data>	storeData(DataChunk chunk) Stores all Data of the specified DataChunk and returns the corresponding set of Data ordered by Timestamp.

Methods inherited from interface org.epics.pvmanager.timecache.source.DataSource

getData

Method Detail

hasAvailableData

boolean hasAvailableData(org.epics.util.time.TimeInterval interval)

Returns true if some data is available within the requested interval, false otherwise.

getAvailableData

SortedSet<Data> getAvailableData(org.epics.util.time.TimeInterval interval)

Returns all available Data within the requested TimeInterval.

storeData

SortedSet<Data> storeData(DataChunk chunk)

Stores all Data of the specified DataChunk and returns the corresponding set of Data ordered by Timestamp.

Parameters:

chunk - to store.

Returns:

set of Data ordered by Timestamp.

addListener

void addListener(DataStorageListener listener)

Adds a DataStorageListener to be notified when data is lost.

Parameters:

listener - to be added.

removeListener

void removeListener(DataStorageListener listener)

Removes a DataStorageListener.

Parameters:

listener - to be removed