org.lsst.ccs.localdb.statusdb.trendServer

Class DataServer

java.lang.Object

org.lsst.ccs.localdb.statusdb.trendServer.DataServer

@Singleton
public class DataServer
extends Object

The DataServer receives requests for trending data analysis. It delivers the requested data as the result of requests to the database.

Constructor Summary

Constructors

Constructor and Description
DataServer()

Method Summary

Modifier and Type	Method and Description
protected Data	exportRawData(long rawId, long t1, long t2)
protected Data	exportStatDataFromRaw(long rawId, long t1, long t2, int nsamples)
protected Data	exportStatDataFromStat(StatDesc statDesc, long t1, long t2, int nsamples)
AlertEvent.AlertEventList	getActiveAlerts(List<Long> ids) Returns a list of active alerts.
AlertEvent.AlertEventList	getAlertHistories(List<Long> ids, long t1, long t2) Returns an history of alerts that have been raised within the given time interval.
AlertInfo.AlertInfoList	getAlertInfo()
AlertInfo.AlertInfoList	getAlertInfo(String subsystem)
protected long	getAvailableRawData(long rawId, long t1, long t2)
protected Map<StatDesc,Long>	getAvailableStats(long rawId, long t1, long t2)
DataChannel.DataChannelList	getChannels()
DataChannel.DataChannelList	getChannels(String subsystemName)
DataChannel[]	getChannels(String partialPath, int level)
DataChannel[]	getChannelsByKeywork(String keyword) Return all available channels for a given keyword.
Data	getData(long id, long t1, long t2, String flavor, int nbins)
List<ChannelMetaData>	getMetadata(int channelId)
List<ChannelMetaData>	getMetadata(int channelId, long t1, long t2)
ChannelMetaData.ChannelMetadataList	getMetadataList(long channelId)
TrendingPlotData.TrendingPlotDataList	getPlotData(long id, long t1, long t2) Returns a list of trended plots for the given data desc id, between the time interval [t1,t2].
protected List<RawData>	getRawData(long id, long t1, long t2)
protected List<StatData>	getStatData(StatDesc statDesc, long t1, long t2)
StateChange.StateChangesList	getStateChangeList(String subsystem, List<String> states, long t1, long t2) Gets the state changes events for the given list of states, between the time interval [t1,t2]
StateInfo.StateInfoList	getStateInfo(String subsystem) Lists all the existing states for a given subsystem.

Methods inherited from class java.lang.Object

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

Constructor Detail

DataServer

public DataServer()

Method Detail

getData

public Data getData(long id,
                    long t1,
                    long t2,
                    String flavor,
                    int nbins)

getMetadata

public List<ChannelMetaData> getMetadata(int channelId)

getMetadata

public List<ChannelMetaData> getMetadata(int channelId,
                                         long t1,
                                         long t2)

getMetadataList

public ChannelMetaData.ChannelMetadataList getMetadataList(long channelId)

getChannels

public DataChannel.DataChannelList getChannels()

Returns:

the whole channels list for all CCS.

getChannels

public DataChannel.DataChannelList getChannels(String subsystemName)

Parameters:

subsystemName -

Returns:

a channels list for a subsystem

getChannels

public DataChannel[] getChannels(String partialPath,
                                 int level)

Parameters:

partialPath -

level -

Returns:

the list of channels within a partial path and a level

getChannelsByKeywork

public DataChannel[] getChannelsByKeywork(String keyword)

Return all available channels for a given keyword.

Parameters:

keyword -

Returns:

channels list

getAvailableStats

protected Map<StatDesc,Long> getAvailableStats(long rawId,
                                               long t1,
                                               long t2)

getAvailableRawData

protected long getAvailableRawData(long rawId,
                                   long t1,
                                   long t2)

getRawData

protected List<RawData> getRawData(long id,
                                   long t1,
                                   long t2)

getStatData

protected List<StatData> getStatData(StatDesc statDesc,
                                     long t1,
                                     long t2)

exportRawData

protected Data exportRawData(long rawId,
                             long t1,
                             long t2)

exportStatDataFromRaw

protected Data exportStatDataFromRaw(long rawId,
                                     long t1,
                                     long t2,
                                     int nsamples)

exportStatDataFromStat

protected Data exportStatDataFromStat(StatDesc statDesc,
                                      long t1,
                                      long t2,
                                      int nsamples)

getStateInfo

public StateInfo.StateInfoList getStateInfo(String subsystem)

Lists all the existing states for a given subsystem.

Parameters:

subsystem - the subsystem name.

Returns:

getStateChangeList

public StateChange.StateChangesList getStateChangeList(String subsystem,
                                                       List<String> states,
                                                       long t1,
                                                       long t2)

Gets the state changes events for the given list of states, between the time interval [t1,t2]

Parameters:

subsystem -

states - if empty, returns all state changes for all found states

t1 -

t2 -

Returns:

getAlertInfo

public AlertInfo.AlertInfoList getAlertInfo()

getAlertInfo

public AlertInfo.AlertInfoList getAlertInfo(String subsystem)

getActiveAlerts

public AlertEvent.AlertEventList getActiveAlerts(List<Long> ids)

Returns a list of active alerts. Active alerts are alerts that have been raised during the current subsystem run.

Parameters:

ids - a list of ids.

Returns:

getAlertHistories

public AlertEvent.AlertEventList getAlertHistories(List<Long> ids,
                                                   long t1,
                                                   long t2)

Returns an history of alerts that have been raised within the given time interval.

Parameters:

ids - a list of alertdesc ids.

t1 -

t2 -

Returns:

getPlotData

public TrendingPlotData.TrendingPlotDataList getPlotData(long id,
                                                         long t1,
                                                         long t2)

Returns a list of trended plots for the given data desc id, between the time interval [t1,t2].

Parameters:

id - the datadesc id

t1 -

t2 -

Returns: