Package org.epics.archiverappliance.retrieval

Class DataSourceforPV

java.lang.Object

org.epics.archiverappliance.retrieval.DataSourceforPV

All Implemented Interfaces:

Comparable<DataSourceforPV>

public class DataSourceforPV
extends Object
implements Comparable<DataSourceforPV>

Represents a data source for data for a PV

Author:

mshankar

Constructor Summary

Constructors

Constructor	Description
DataSourceforPV(String pvName, StoragePlugin storagePlugin, int lifetimeid, Timestamp dataStartTime, Timestamp dataEndTime)

Method Summary

Modifier and Type	Method	Description
int	compareTo(DataSourceforPV other)
boolean	equals(Object other)
Timestamp	getDataEndTime()
Timestamp	getDataStartTime()
int	getLifetimeId()
String	getPvName()
TimeSpan	getRequestTimeSpan()
StoragePlugin	getStoragePlugin()
int	hashCode()
boolean	isOverridingStartAndEndTimes()	Has the data source resolution specified the times for which we are fetching the data? Note this is an optional optimization and is most often used when getting data from the ChannelArchiver.

Methods inherited from class java.lang.Object

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

Constructor Detail

DataSourceforPV

public DataSourceforPV(String pvName,
                       StoragePlugin storagePlugin,
                       int lifetimeid,
                       Timestamp dataStartTime,
                       Timestamp dataEndTime)

Method Detail

getPvName

public String getPvName()

getDataStartTime

public Timestamp getDataStartTime()

getDataEndTime

public Timestamp getDataEndTime()

getStoragePlugin

public StoragePlugin getStoragePlugin()

getLifetimeId

public int getLifetimeId()

equals

public boolean equals(Object other)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object

compareTo

public int compareTo(DataSourceforPV other)

Specified by:

compareTo in interface Comparable<DataSourceforPV>

isOverridingStartAndEndTimes

public boolean isOverridingStartAndEndTimes()

Has the data source resolution specified the times for which we are fetching the data? Note this is an optional optimization and is most often used when getting data from the ChannelArchiver. Most other times, we let this default to the start time and end time of the data retrieval request.

Returns:

boolean True or False

getRequestTimeSpan

public TimeSpan getRequestTimeSpan()