LArHVGainsPredictor.OracleGainReader Class Reference

Collaboration diagram for LArHVGainsPredictor.OracleGainReader:

Public Member Functions
	__init__ (self)
	getGain (self, ReceiverId)

Public Attributes
dict	reference_gains = {}
int	UNIX2COOL = 1000000000

Detailed Description

Definition at line 24 of file LArHVGainsPredictor.py.

Constructor & Destructor Documentation

__init__()

LArHVGainsPredictor.OracleGainReader.__init__

(

self

)

Definition at line 26 of file LArHVGainsPredictor.py.

  def __init__(self):
 
    self.reference_gains={}
    self.UNIX2COOL = 1000000000
 
    # get database service and open database
    dbSvc = cool.DatabaseSvcFactory.databaseService()
 
    dbString = 'oracle://ATLAS_COOLPROD;schema=ATLAS_COOLONL_TRIGGER;dbname=CONDBR2'
    try:
      db = dbSvc.openDatabase(dbString, False)        
    except Exception as e:
      print ('Error: Problem opening database', e)
      sys.exit(1)
 
    folder_name = "/TRIGGER/Receivers/Factors/CalibGains"
    folder=db.getFolder(folder_name)
       
    startUtime = int(time.time())
    endUtime = int(time.time())
    startValKey = startUtime * self.UNIX2COOL
    endValKey = endUtime * self.UNIX2COOL
    chsel = cool.ChannelSelection(0,sys.maxint)
 
    try:
      itr=folder.browseObjects(startValKey, endValKey, chsel)
    except Exception as e:
      print (e)
      sys.exit(1)
 
    for row in itr:
      ReceiverId = hex(int(row.channelId()))
      payload = row.payload()
      gain = payload['factor']
      self.reference_gains[ReceiverId]=gain
 
    # close database
    db.closeDatabase()
 
 

Member Function Documentation

getGain()

LArHVGainsPredictor.OracleGainReader.getGain	(		self,
			ReceiverId )

Definition at line 66 of file LArHVGainsPredictor.py.

  def getGain(self,ReceiverId):
           
    if (ReceiverId in self.reference_gains):
      return float(self.reference_gains[ReceiverId])
    else:
      return ''
 
 

Member Data Documentation

reference_gains

LArHVGainsPredictor.OracleGainReader.reference_gains = {}

Definition at line 28 of file LArHVGainsPredictor.py.

UNIX2COOL

int LArHVGainsPredictor.OracleGainReader.UNIX2COOL = 1000000000

Definition at line 29 of file LArHVGainsPredictor.py.

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The documentation for this class was generated from the following file:

• LArHVGainsPredictor.py