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.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	DataServer.ChannelMetadataList

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(long rawId, long id, long t1, long t2, int nsamples)
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)
DataServer.ChannelMetadataList	getMetadataList(long channelId)
protected List<RawData>	getRawData(long id, long t1, long t2)
protected List<StatData>	getStatData(long id, long t1, long t2)
static void	main(String[] args)

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 DataServer.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(long id,
                                     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(long rawId,
                                      long id,
                                      long t1,
                                      long t2,
                                      int nsamples)

main

public static void main(String[] args)
                 throws IOException

Throws:

IOException