def __init__(self, name='alex', nevts=100, evtfreq=100):
""" Alex class
It is the main driver application
It has a list of algorithms that runs in sequence for a given number of events
It has a dictionary of services to be set into each algorithm
It has a dictionary with run information and event information (clean each event) to be set into in each alorithm
"""
self.name = name # name of the application
self.ievt = 0 # current number of event processed
self.nevts = nevts # number of events to run
self.evtfreq = evtfreq # frequency to print event number in log
self.counters = {}
self.algs = [] # list of algorithms to run
self.svcs = {} # dictionary with the services
# primordial msg service
self.msg = Messenger(name='msg')
self.addsvc(self.msg) # add msg service
# primordial request service (handle errrors, abort/end of job requets)
self.req = RequestSvc(name='req',al=self)
self.addsvc(self.req) # add request service
# event data service
self.evt = DataSvc(name='evt')
self.addsvc(self.evt) # add event data service
self.exports = ['msg','req','evt'] # services to export to algorithms
return
class Alex():
def __init__(self, name='alex', nevts=100, evtfreq=100):
""" Alex class
It is the main driver application
It has a list of algorithms that runs in sequence for a given number of events
It has a dictionary of services to be set into each algorithm
It has a dictionary with run information and event information (clean each event) to be set into in each alorithm
"""
self.name = name # name of the application
self.ievt = 0 # current number of event processed
self.nevts = nevts # number of events to run
self.evtfreq = evtfreq # frequency to print event number in log
self.counters = {}
self.algs = [] # list of algorithms to run
self.svcs = {} # dictionary with the services
# primordial msg service
self.msg = Messenger(name='msg')
self.addsvc(self.msg) # add msg service
# primordial request service (handle errrors, abort/end of job requets)
self.req = RequestSvc(name='req',al=self)
self.addsvc(self.req) # add request service
# event data service
self.evt = DataSvc(name='evt')
self.addsvc(self.evt) # add event data service
self.exports = ['msg','req','evt'] # services to export to algorithms
return
def _declare(self,obj):
""" add services and stores to the object
"""
if (not hasattr(obj,'imports')): return
nsvcs = obj.imports
if (not isinstance(nsvcs,list)):
self.msg.error(self.name,' no list of importing svc ',nsvcs)
return
if (isinstance(obj,ISvc)):
if (not 'msg' in nsvcs): nsvcs.append('msg')
elif (isinstance(obj,IAlg)):
for svc in self.exports:
if (not svc in nsvcs): nsvcs.append(svc)
#self.msg.info(self.name,' importing services to ', obj.name)
for nsvc in nsvcs:
if (not self.svcs.has_key(nsvc)):
self.msg.error(self.name,' no service ',nsvc,' to import ')
else:
svc = self.svcs[nsvc]
if (svc.name != obj.name): setattr(obj,svc.name,svc)
return
def addsvc(self,svc):
""" add a service by its name.
Each service hass access to the msg svc and run store
"""
self.msg.cinfo(self.name,' adding service ',svc.name)
self.svcs[svc.name] = svc
setattr(self,svc.name,svc)
self._declare(svc)
return
def addalg(self,alg):
""" add an algorithm to the list of algorithms to run.
Services are set into the algorithm.
It has access to the run store and event store.
"""
self.msg.cinfo(self.name,' algorithm to run ',alg.name)
self.algs.append(alg)
self._declare(alg)
# decorate the objects underneath
if (hasattr(alg,'algs')):
map(self._declare,alg.algs)
return
def initialize(self):
""" initilize the services and the algorithms
"""
self.msg.cinfo(' initilize ')
svcs = self.svcs.values()
map(self._declare, svcs)
oks1 = map(lambda svc: svc.initialize(), svcs)
if (len(self.algs) == 0):
self.msg.warning(self.name,' No algorithms to run')
return True
for alg in self.algs: self.counters[alg.name] = 0
oks2 = map(lambda alg: alg.initialize(), self.algs)
return (isok(oks1) and isok(oks2))
def execute(self):
""" do the execute method over the list of algorithms
"""
if (self.ievt%self.evtfreq==0):
self.msg.cinfo(' event ', self.ievt)
self.evt.clear()
if (len(self.algs)==0):
self.ievt += 1; return True
oks = map(lambda alg: alg.execute(), self.algs)
def count(alg,ok):
if (ok): self.counters[alg.name]+=1
map(count,self.algs,oks)
self.ievt+=1
return isok(oks)
def finalize(self):
""" finalize the list of algorithms and the sercices
"""
self.msg.cinfo(' finalize ')
self.msg.cinfo(' events ',self.ievt)
def infocounter(alg):
self.msg.info(' counter algorithm ',alg.name,
self.counters[alg.name])
if (len(self.algs)>0):
map(infocounter,self.algs)
oks1 = map(lambda alg: alg.finalize(), self.algs)
svcs = self.svcs.values()
oks2 = map(lambda svc: svc.finalize(), svcs)
self.msg.cinfo(' end!')
exit()
def loop(self,nevts):
""" do execute in a loop with range nevts
"""
self.msg.cinfo(' loop events ',nevts)
for i in range(nevts): self.execute()
return
def run(self):
""" run alex: initialize, loop nevents (do execute to each one)
and finalize
"""
self.msg.cinfo(' run ')
self.initialize()
self.loop(self.nevts)
self.finalize()
return
