org.diirt.datasource.timecache.impl

Class SimpleFileDataSource

java.lang.Object

org.diirt.datasource.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)
SimpleFileDataSource(String csvFilePath, int chunkSize)

Method Summary

Modifier and Type	Method and Description
boolean	equals(Object obj)
String	getCsvFile()
DataChunk	getData(String channelName, Timestamp from) Read samples from source ordered by Timestamp and starting with the specified one.
int	hashCode()

Methods inherited from class java.lang.Object

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

Constructor Detail

SimpleFileDataSource

public SimpleFileDataSource(String csvFilePath)

SimpleFileDataSource

public SimpleFileDataSource(String csvFilePath,
                            int chunkSize)

Method Detail

getData

public DataChunk getData(String channelName,
                         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.

getCsvFile

public String getCsvFile()

hashCode

public int hashCode()

Overrides:

hashCode in class Object

equals

public boolean equals(Object obj)

Overrides:

equals in class Object