def new_engine(self, solver_agent, env, model, context=None):
self._ensure_cplex_resolved(env)
# compute a default engine and kwargs to use..
kwargs = {}
if self._cplex_engine_type:
# CPLEX ahs been resolved and has a non-None type
# default is CPLEX if we have it
default_engine_type = self._cplex_engine_type
default_engine_name = 'cplex'
elif has_credentials(context.solver.docloud):
# default is docloud
default_engine_type = DOcloudEngine
default_engine_name = 'docloud'
else:
# no CPLEX, no credentials
# model.trace("CPLEX DLL not found and model has no DOcplexcloud credentials. "
# "Credentials are required at solve time")
default_engine_type = NoSolveEngine
default_engine_name = 'nosolve'
if has_credentials(context.solver.docloud):
kwargs['docloud_context'] = context.solver.docloud
engine_type = self._get_engine_from_agent(
agent=solver_agent,
default_engine=default_engine_type,
default_engine_name=default_engine_name)
assert engine_type is not None
# all engine types have a (model, kwargs) ctor.
return engine_type(model, **kwargs)
def new_engine(self, agent, env, model, context=None):
self._ensure_cplex_resolved(env)
# compute a default engine and kwargs to use..
kwargs = {}
if self._cplex_engine_type:
# default is CPLEX if we have it
default_engine_type = self._cplex_engine_type
default_engine_name = 'cplex'
else:
# no CPLEX, no credentials
default_engine_type = NoSolveEngine
default_engine_name = 'nosolve'
if has_credentials(context.solver.docloud):
kwargs['docloud_context'] = context.solver.docloud
if context is not None:
kwargs['context'] = context
engine_type = self._get_engine_type_from_agent(agent=agent,
default_engine=default_engine_type,
default_engine_name=default_engine_name)
assert engine_type is not None
try:
return engine_type(model, **kwargs)
except TypeError:
docplex_fatal("agent: {0!s} failed to create instance from model, kwargs.", agent)
def __init__(self, docloud_context, log_output=None):
""" Starts a connector which URL and authorization are stored in the
specified context, along with other connection parameters
The `docloud_context` refers to the context.solver.docloud node of a
context.
Args:
log_output: The log output stream
"""
if docloud_context is None or not has_credentials(docloud_context):
raise DOcloudConnectorException(
"Please provide DOcplexcloud credentials")
# store this for future usage
self.docloud_context = docloud_context
url = docloud_context.url
auth = docloud_context.key
self.logger = get_logger('DOcloudConnector',
self.docloud_context.verbose)
self.logger.info("DOcplexcloud connection using url = " + str(url) +
" api_key = " + key_as_string(auth))
self.logger.info("DOcplexcloud SSL verification = " +
str(docloud_context.verify))
self.logger.info(" waittime = " + str(docloud_context.waittime))
self.logger.info(" timeout = " + str(docloud_context.timeout))
self.jobInfo = None
self.run_deterministic = docloud_context.run_deterministic
self.log_output = log_output
self.timed_out = False
self.results = {}