def _apply_to_impl(self, instance, **kwds):
if not instance.ctype in (Block, Disjunct):
raise GDP_Error("Transformation called on %s of type %s. "
"'instance' must be a ConcreteModel, Block, or "
"Disjunct (in the case of nested disjunctions)." %
(instance.name, instance.ctype))
config = self.CONFIG(kwds.pop('options', {}))
# We will let args override suffixes and estimate as a last
# resort. More specific args/suffixes override ones anywhere in
# the tree. Suffixes lower down in the tree override ones higher
# up.
config.set_value(kwds)
bigM = config.bigM
self.assume_fixed_vars_permanent = config.assume_fixed_vars_permanent
targets = config.targets
# We need to check that all the targets are in fact on instance. As we
# do this, we will use the set below to cache components we know to be
# in the tree rooted at instance.
knownBlocks = {}
if targets is None:
targets = (instance, )
# we need to preprocess targets to make sure that if there are any
# disjunctions in targets that their disjuncts appear before them in
# the list.
targets = preprocess_targets(targets, instance, knownBlocks)
for t in targets:
if t.ctype is Disjunction:
if t.is_indexed():
self._transform_disjunction(t, bigM)
else:
self._transform_disjunctionData(t, bigM, t.index())
else: # We know t.ctype in (Block, Disjunct) after preprocessing
if t.is_indexed():
self._transform_block(t, bigM)
else:
self._transform_blockData(t, bigM)
# issue warnings about anything that was in the bigM args dict that we
# didn't use
if bigM is not None:
unused_args = ComponentSet(bigM.keys()) - \
ComponentSet(self.used_args.keys())
if len(unused_args) > 0:
warning_msg = ("Unused arguments in the bigM map! "
"These arguments were not used by the "
"transformation:\n")
for component in unused_args:
if hasattr(component, 'name'):
warning_msg += "\t%s\n" % component.name
else:
warning_msg += "\t%s\n" % component
logger.warning(warning_msg)
# at the end, transform any logical constraints that might be on
# instance
TransformationFactory('core.logical_to_linear').apply_to(instance)
def _apply_to_impl(self, instance, **kwds):
if not instance.ctype in (Block, Disjunct):
raise GDP_Error(
"Transformation called on %s of type %s. 'instance' "
"must be a ConcreteModel, Block, or Disjunct (in "
"the case of nested disjunctions)." %
(instance.name, instance.ctype))
config = self.CONFIG(kwds.pop('options', {}))
# We will let args override suffixes and estimate as a last
# resort. More specific args/suffixes override ones anywhere in
# the tree. Suffixes lower down in the tree override ones higher
# up.
if 'default_bigM' in kwds:
deprecation_warning(
"the 'default_bigM=' argument has been "
"replaced by 'bigM='",
version='5.4')
config.bigM = kwds.pop('default_bigM')
config.set_value(kwds)
bigM = config.bigM
self.assume_fixed_vars_permanent = config.assume_fixed_vars_permanent
targets = config.targets
if targets is None:
targets = (instance, )
else:
# we need to preprocess targets to make sure that if there are any
# disjunctions in targets that their disjuncts appear before them in
# the list.
targets = preprocess_targets(targets)
# We need to check that all the targets are in fact on
# instance. As we do this, we will use the set below to cache components
# we know to be in the tree rooted at instance.
knownBlocks = {}
for t in targets:
# check that t is in fact a child of instance
if not is_child_of(
parent=instance, child=t, knownBlocks=knownBlocks):
raise GDP_Error(
"Target '%s' is not a component on instance '%s'!" %
(t.name, instance.name))
elif t.ctype is Disjunction:
if t.is_indexed():
self._transform_disjunction(t, bigM)
else:
self._transform_disjunctionData(t, bigM, t.index())
elif t.ctype in (Block, Disjunct):
if t.is_indexed():
self._transform_block(t, bigM)
else:
self._transform_blockData(t, bigM)
else:
raise GDP_Error(
"Target '%s' was not a Block, Disjunct, or Disjunction. "
"It was of type %s and can't be transformed." %
(t.name, type(t)))
# issue warnings about anything that was in the bigM args dict that we
# didn't use
if bigM is not None:
unused_args = ComponentSet(bigM.keys()) - \
ComponentSet(self.used_args.keys())
if len(unused_args) > 0:
warning_msg = ("Unused arguments in the bigM map! "
"These arguments were not used by the "
"transformation:\n")
for component in unused_args:
if hasattr(component, 'name'):
warning_msg += "\t%s\n" % component.name
else:
warning_msg += "\t%s\n" % component
logger.warning(warning_msg)