From bfe47ee6a71850abbdb5825499c21c8ef2d26757 Mon Sep 17 00:00:00 2001
From: helmutm <helmutm@fd906abe-77d9-0310-91a1-e0d9ade77398>
Date: Mon, 24 Mar 2008 11:04:54 +0000
Subject: [PATCH] added the twisted-based scheduler to the simple doctest
 sequence

git-svn-id: svn://svn.cy55.de/Zope3/src/cybertools/trunk@2471 fd906abe-77d9-0310-91a1-e0d9ade77398
---
 agent/README.txt       | 24 ++++++++++++++++++++++++
 agent/core/schedule.py | 18 +++++++++---------
 2 files changed, 33 insertions(+), 9 deletions(-)

diff --git a/agent/README.txt b/agent/README.txt
index e31b8cd..319416b 100644
--- a/agent/README.txt
+++ b/agent/README.txt
@@ -103,6 +103,7 @@ the path to the configuration file.
 
   >>> from cybertools.agent.base.agent import Master
   >>> master = Master(configFile)
+  >>> configFile.close()
 
   >>> master.config
   controller.name = 'sample'
@@ -181,3 +182,26 @@ Logging
   ...     print r
   2... agent:sample01 job:00001 message:job execution
   2... agent:sample01 job:00002 message:job execution
+
+
+Using the Twisted-based Scheduler
+=================================
+
+  >>> config = '''
+  ... controller(name='sample')
+  ... scheduler(name='core')
+  ... logger(name='default', standard=30)
+  ... '''
+  >>> master = Master(config)
+
+  >>> master.scheduler
+  <cybertools.agent.core.schedule.Scheduler object ...>
+
+  >>> master.setup()
+
+  >>> jobSpec = JobSpecification('sample', '00001', agent='sample01')
+  >>> master.setupJobs([jobSpec])
+
+  >>> from cybertools.agent.tests import tester
+  >>> tester.iterate()
+  Job 00001 on agent sample01 has been executed.
diff --git a/agent/core/schedule.py b/agent/core/schedule.py
index da52b7b..6c9b87a 100644
--- a/agent/core/schedule.py
+++ b/agent/core/schedule.py
@@ -26,6 +26,7 @@ from time import time
 from zope.interface import implements
 
 from cybertools.agent.base.agent import Master
+from cybertools.agent.base.schedule import Scheduler as BaseScheduler
 from cybertools.agent.components import schedulers
 from cybertools.agent.interfaces import IScheduler
 
@@ -33,27 +34,26 @@ from twisted.internet import reactor
 from twisted.internet.defer import Deferred
 
 
-class Scheduler(object):
+class Scheduler(BaseScheduler):
 
     implements(IScheduler)
 
     def __init__(self, agent):
         self.agent = agent
-        self.queue = []
+        self.queue = {}
 
     def schedule(self, job, startTime=None):
-        print "core.schedule called"
         job.startTime = startTime or int(time())
-        self.queue.append(job)
+        #self.queue.append(job)
         if startTime is None:
             startTime = int(time())
         job.startTime = startTime
-        job.scheduler = self
-        #while startTime in self.queue:
-        #    startTime += 1
-        #self.queue[startTime] = job
+        #job.scheduler = self   # obsolete, set already in job's __init__()
+        while startTime in self.queue:  # TODO: use another key for the queue;
+            startTime += 1              # is the queue necessary anyway?
+        self.queue[startTime] = job
         reactor.callLater(startTime-int(time()), job.execute)
-        job.execute()
+        #job.execute()
         return startTime
 
     def getJobsToExecute(startTime=0):