org.epics.pvmanager.timecache.impl

Class SimpleFileDataSource

java.lang.Object

org.epics.pvmanager.timecache.impl.SimpleFileDataSource

All Implemented Interfaces:

DataSource

public class SimpleFileDataSource
extends Object
implements DataSource

DataSource implementation which read samples from a file dump of 'sample_view' from Archive RDB.

Author:

Fred Arnaud (Sopra Group) - ITER

Constructor Summary

Constructors

Constructor and Description
SimpleFileDataSource(String csvFilePath)

Method Summary

Methods

Modifier and Type	Method and Description
DataChunk	getData(String channelName, org.epics.util.time.Timestamp from) Read samples from source ordered by Timestamp and starting with the specified one.

Methods inherited from class java.lang.Object

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

Constructor Detail

SimpleFileDataSource

public SimpleFileDataSource(String csvFilePath)

Method Detail

getData

public DataChunk getData(String channelName,
                org.epics.util.time.Timestamp from)

Read samples from source ordered by Timestamp and starting with the specified one. Polled by DataRequestThread.

Specified by:

getData in interface DataSource

Parameters:

channelName - channel to read.

from - lowest Timestamp of the first returned sample.

Returns:

DataChunk a chunk of ordered samples with all Timestamp superior to the specified argument.