extern "C" PyObject* OperationItemSupplier::createOrder(
PyObject *self, PyObject *args, PyObject *kwdict
)
{
// Parse the Python arguments
PyObject* pylocation = NULL;
unsigned long id = 0;
const char* ref = NULL;
PyObject* pyitem = NULL;
PyObject* pysupplier = NULL;
double qty = 0;
PyObject* pystart = NULL;
PyObject* pyend = NULL;
const char* status = NULL;
const char* source = NULL;
static const char *kwlist[] = {
"location", "id", "reference", "item", "supplier", "quantity", "start",
"end", "status", "source", NULL
};
int ok = PyArg_ParseTupleAndKeywords(
args, kwdict, "|OkzOOdOOzz:createOrder", const_cast<char**>(kwlist),
&pylocation, &id, &ref, &pyitem, &pysupplier, &qty, &pystart,
&pyend, &status, &source
);
if (!ok)
return NULL;
Date start = pystart ? PythonData(pystart).getDate() : Date::infinitePast;
Date end = pyend ? PythonData(pyend).getDate() : Date::infinitePast;
// Validate all arguments
if (!pylocation || !pyitem)
{
PyErr_SetString(PythonDataException, "item and location arguments are mandatory");
return NULL;
}
PythonData location_tmp(pylocation);
if (!location_tmp.check(Location::metadata))
{
PyErr_SetString(PythonDataException, "location argument must be of type location");
return NULL;
}
PythonData item_tmp(pyitem);
if (!item_tmp.check(Item::metadata))
{
PyErr_SetString(PythonDataException, "item argument must be of type item");
return NULL;
}
PythonData supplier_tmp(pysupplier);
if (pysupplier && !supplier_tmp.check(Supplier::metadata))
{
PyErr_SetString(PythonDataException, "supplier argument must be of type supplier");
return NULL;
}
Item *item = static_cast<Item*>(item_tmp.getObject());
Location *location = static_cast<Location*>(location_tmp.getObject());
Supplier *supplier = pysupplier ? static_cast<Supplier*>(supplier_tmp.getObject()) : NULL;
// Find or create the destination buffer.
Buffer* destbuffer = NULL;
Item::bufferIterator buf_iter(item);
while (Buffer* tmpbuf = buf_iter.next())
{
if (tmpbuf->getLocation() == location)
{
if (destbuffer)
{
stringstream o;
o << "Multiple buffers found for item '" << item << "'' and location'" << location << "'";
throw DataException(o.str());
}
destbuffer = tmpbuf;
}
}
if (!destbuffer)
{
// Create the destination buffer
destbuffer = new BufferDefault();
stringstream o;
o << item << " @ " << location;
destbuffer->setName(o.str());
destbuffer->setItem(item);
destbuffer->setLocation(location);
}
// Build the producing operation for this buffer.
destbuffer->getProducingOperation();
// Look for a matching operation replenishing this buffer.
Operation *oper = NULL;
for (Buffer::flowlist::const_iterator flowiter = destbuffer->getFlows().begin();
flowiter != destbuffer->getFlows().end() && !oper; ++flowiter)
{
if (flowiter->getOperation()->getType() != *OperationItemSupplier::metadata)
continue;
OperationItemSupplier* opitemsupplier = static_cast<OperationItemSupplier*>(flowiter->getOperation());
if (supplier)
{
if (supplier->isMemberOf(opitemsupplier->getItemSupplier()->getSupplier()))
oper = opitemsupplier;
}
else
oper = opitemsupplier;
}
// No matching operation is found.
if (!oper)
{
// We'll create one now, but that requires that we have a supplier defined.
if (!supplier)
throw DataException("Supplier is needed on this purchase order");
// Note: We know that we need to create a new one. An existing one would
// have created an operation on the buffer already.
ItemSupplier *itemsupplier = new ItemSupplier();
itemsupplier->setSupplier(supplier);
itemsupplier->setItem(item);
itemsupplier->setLocation(location);
oper = new OperationItemSupplier(itemsupplier, destbuffer);
new ProblemInvalidData(oper, "Purchase orders on unauthorized supplier", "operation",
Date::infinitePast, Date::infiniteFuture, 1);
}
// Finally, create the operationplan
OperationPlan *opplan = oper->createOperationPlan(qty, start, end);
if (id)
opplan->setRawIdentifier(id); // We can use this fast method because we call activate later
if (status)
opplan->setStatus(status);
// Reset quantity after the status update to assure that
// also non-valid quantities are getting accepted.
opplan->setQuantity(qty);
if (ref)
opplan->setReference(ref);
opplan->activate();
// Return result
Py_INCREF(opplan);
return opplan;
}
DECLARE_EXPORT void HasLevel::computeLevels()
{
computationBusy = true;
// Get exclusive access to this function in a multi-threaded environment.
static Mutex levelcomputationbusy;
ScopeMutexLock l(levelcomputationbusy);
// Another thread may already have computed the levels while this thread was
// waiting for the lock. In that case the while loop will be skipped.
while (recomputeLevels)
{
// Reset the recomputation flag. Note that during the computation the flag
// could be switched on again by some model change in a different thread.
// In that case, the while loop will be rerun.
recomputeLevels = false;
// Force creation of all delivery operations f
for (Demand::iterator gdem = Demand::begin();
gdem != Demand::end(); ++gdem)
gdem->getDeliveryOperation();
// Reset current levels on buffers, resources and operations.
// Also force the creation of all producing operations on the buffers.
size_t numbufs = Buffer::size();
// Creating the producing operations of the buffers can cause new buffers
// to be created. We repeat this loop until no new buffers are being added.
// This isn't the most efficient loop, but it remains cheap and fast...
while (true)
{
for (Buffer::iterator gbuf = Buffer::begin();
gbuf != Buffer::end(); ++gbuf)
{
gbuf->cluster = 0;
gbuf->lvl = -1;
gbuf->getProducingOperation();
}
size_t numbufs_after = Buffer::size();
if (numbufs == numbufs_after)
break;
else
numbufs = numbufs_after;
}
for (Resource::iterator gres = Resource::begin();
gres != Resource::end(); ++gres)
{
gres->cluster = 0;
gres->lvl = -1;
}
for (Operation::iterator gop = Operation::begin();
gop != Operation::end(); ++gop)
{
gop->cluster = 0;
gop->lvl = -1;
}
// Loop through all operations
stack< pair<Operation*,int> > stack;
Operation* cur_oper;
int cur_level;
Buffer *cur_buf;
const Flow* cur_Flow;
bool search_level;
int cur_cluster;
numberOfLevels = 0;
numberOfClusters = 0;
map<Operation*,short> visited;
for (Operation::iterator g = Operation::begin();
g != Operation::end(); ++g)
{
// Select a new cluster number
if (g->cluster)
cur_cluster = g->cluster;
else
{
// Detect hanging operations
if (g->getFlows().empty() && g->getLoads().empty()
&& g->getSuperOperations().empty()
&& g->getSubOperations().empty()
)
{
// Cluster 0 keeps all dangling operations
g->lvl = 0;
continue;
}
cur_cluster = ++numberOfClusters;
if (numberOfClusters >= UINT_MAX)
throw LogicException("Too many clusters");
}
#ifdef CLUSTERDEBUG
logger << "Investigating operation '" << &*g
<< "' - current cluster " << g->cluster << endl;
#endif
// Do we need to activate the level search?
// Criterion are:
// - Not used in a super operation
// - Have a producing flow on the operation itself
// or on any of its sub operations
search_level = false;
if (g->getSuperOperations().empty())
{
search_level = true;
// Does the operation itself have producing flows?
for (Operation::flowlist::const_iterator fl = g->getFlows().begin();
fl != g->getFlows().end() && search_level; ++fl)
if (fl->isProducer()) search_level = false;
if (search_level)
{
// Do suboperations have a producing flow?
for (Operation::Operationlist::const_reverse_iterator
i = g->getSubOperations().rbegin();
i != g->getSubOperations().rend() && search_level;
++i)
for (Operation::flowlist::const_iterator
fl = (*i)->getOperation()->getFlows().begin();
fl != (*i)->getOperation()->getFlows().end() && search_level;
++fl)
if (fl->isProducer()) search_level = false;
}
}
// If both the level and the cluster are de-activated, then we can move on
if (!search_level && g->cluster) continue;
// Start recursing
// Note that as soon as push an operation on the stack we set its
// cluster and/or level. This is avoid that operations are needlessly
// pushed a second time on the stack.
stack.push(make_pair(&*g, search_level ? 0 : -1));
visited.clear();
g->cluster = cur_cluster;
if (search_level) g->lvl = 0;
while (!stack.empty())
{
// Take the top of the stack
cur_oper = stack.top().first;
cur_level = stack.top().second;
stack.pop();
// Keep track of the maximum number of levels
if (cur_level > numberOfLevels)
numberOfLevels = cur_level;
#ifdef CLUSTERDEBUG
logger << " Recursing in Operation '" << *(cur_oper)
<< "' - current level " << cur_level << endl;
#endif
// Detect loops in the supply chain
map<Operation*,short>::iterator detectloop = visited.find(cur_oper);
if (detectloop == visited.end())
// Keep track of operations already visited
visited.insert(make_pair(cur_oper,0));
else if (++(detectloop->second) > 1)
// Already visited this operation enough times - don't repeat
continue;
// Push sub operations on the stack
for (Operation::Operationlist::const_reverse_iterator
i = cur_oper->getSubOperations().rbegin();
i != cur_oper->getSubOperations().rend();
++i)
{
if ((*i)->getOperation()->lvl < cur_level)
{
// Search level and cluster
stack.push(make_pair((*i)->getOperation(),cur_level));
(*i)->getOperation()->lvl = cur_level;
(*i)->getOperation()->cluster = cur_cluster;
}
else if (!(*i)->getOperation()->cluster)
{
// Search for clusters information only
stack.push(make_pair((*i)->getOperation(),-1));
(*i)->getOperation()->cluster = cur_cluster;
}
// else: no search required
}
// Push super operations on the stack
for (list<Operation*>::const_reverse_iterator
j = cur_oper->getSuperOperations().rbegin();
j != cur_oper->getSuperOperations().rend();
++j)
{
if ((*j)->lvl < cur_level)
{
// Search level and cluster
stack.push(make_pair(*j,cur_level));
(*j)->lvl = cur_level;
(*j)->cluster = cur_cluster;
}
else if (!(*j)->cluster)
{
// Search for clusters information only
stack.push(make_pair(*j,-1));
(*j)->cluster = cur_cluster;
}
// else: no search required
}
// Update level of resources linked to current operation
for (Operation::loadlist::const_iterator gres =
cur_oper->getLoads().begin();
gres != cur_oper->getLoads().end(); ++gres)
{
Resource *resptr = gres->getResource();
// Update the level of the resource
if (resptr->lvl < cur_level) resptr->lvl = cur_level;
// Update the cluster of the resource and operations using it
if (!resptr->cluster)
{
resptr->cluster = cur_cluster;
// Find more operations connected to this cluster by the resource
for (Resource::loadlist::const_iterator resops =
resptr->getLoads().begin();
resops != resptr->getLoads().end(); ++resops)
if (!resops->getOperation()->cluster)
{
stack.push(make_pair(resops->getOperation(),-1));
resops->getOperation()->cluster = cur_cluster;
}
}
}
// Now loop through all flows of the operation
for (Operation::flowlist::const_iterator
gflow = cur_oper->getFlows().begin();
gflow != cur_oper->getFlows().end();
++gflow)
{
cur_Flow = &*gflow;
cur_buf = cur_Flow->getBuffer();
// Check whether the level search needs to continue
search_level = cur_level!=-1 && cur_buf->lvl<cur_level+1;
// Check if the buffer needs processing
if (search_level || !cur_buf->cluster)
{
// Update the cluster of the current buffer
cur_buf->cluster = cur_cluster;
// Loop through all flows of the buffer
for (Buffer::flowlist::const_iterator
buffl = cur_buf->getFlows().begin();
buffl != cur_buf->getFlows().end();
++buffl)
{
// Check level recursion
if (cur_Flow->isConsumer() && search_level)
{
if (buffl->getOperation()->lvl < cur_level+1
&& &*buffl != cur_Flow && buffl->isProducer())
{
stack.push(make_pair(buffl->getOperation(),cur_level+1));
buffl->getOperation()->lvl = cur_level+1;
buffl->getOperation()->cluster = cur_cluster;
}
else if (!buffl->getOperation()->cluster)
{
stack.push(make_pair(buffl->getOperation(),-1));
buffl->getOperation()->cluster = cur_cluster;
}
if (cur_level+1 > numberOfLevels)
numberOfLevels = cur_level+1;
cur_buf->lvl = cur_level+1;
}
// Check cluster recursion
else if (!buffl->getOperation()->cluster)
{
stack.push(make_pair(buffl->getOperation(),-1));
buffl->getOperation()->cluster = cur_cluster;
}
}
} // End of needs-procssing if statement
} // End of flow loop
} // End while stack not empty
} // End of Operation loop
// The above loop will visit ALL operations and recurse through the
// buffers and resources connected to them.
// Missing from the loop are buffers and resources that have no flows or
// loads at all. We catch those poor lonely fellows now...
for (Buffer::iterator gbuf2 = Buffer::begin();
gbuf2 != Buffer::end(); ++gbuf2)
if (gbuf2->getFlows().empty()) gbuf2->cluster = 0;
for (Resource::iterator gres2 = Resource::begin();
gres2 != Resource::end(); ++gres2)
if (gres2->getLoads().empty()) gres2->cluster = 0;
} // End of while recomputeLevels. The loop will be repeated as long as model
// changes are done during the recomputation.
// Unlock the exclusive access to this function
computationBusy = false;
}
extern "C" PyObject* OperationItemDistribution::createOrder(
PyObject *self, PyObject *args, PyObject *kwdict
)
{
// Parse the Python arguments
PyObject* pydest = NULL;
unsigned long id = 0;
const char* ref = NULL;
PyObject* pyitem = NULL;
PyObject* pyorigin = NULL;
double qty = 0;
PyObject* pystart = NULL;
PyObject* pyend = NULL;
int consume = 1;
const char* status = NULL;
const char* source = NULL;
static const char *kwlist[] = {
"destination", "id", "reference", "item", "origin", "quantity", "start",
"end", "consume_material", "status", "source", NULL
};
int ok = PyArg_ParseTupleAndKeywords(
args, kwdict, "|OkzOOdOOpzz:createOrder", const_cast<char**>(kwlist),
&pydest, &id, &ref, &pyitem, &pyorigin, &qty, &pystart, &pyend,
&consume, &status, &source
);
if (!ok)
return NULL;
Date start = pystart ? PythonData(pystart).getDate() : Date::infinitePast;
Date end = pyend ? PythonData(pyend).getDate() : Date::infinitePast;
// Validate all arguments
if (!pydest || !pyitem)
{
PyErr_SetString(PythonDataException, "item and destination arguments are mandatory");
return NULL;
}
PythonData dest_tmp(pydest);
if (!dest_tmp.check(Location::metadata))
{
PyErr_SetString(PythonDataException, "destination argument must be of type location");
return NULL;
}
PythonData item_tmp(pyitem);
if (!item_tmp.check(Item::metadata))
{
PyErr_SetString(PythonDataException, "item argument must be of type item");
return NULL;
}
PythonData origin_tmp(pyorigin);
if (pyorigin && !origin_tmp.check(Location::metadata))
{
PyErr_SetString(PythonDataException, "origin argument must be of type location");
return NULL;
}
Item *item = static_cast<Item*>(item_tmp.getObject());
Location *dest = static_cast<Location*>(dest_tmp.getObject());
Location *origin = pyorigin ? static_cast<Location*>(origin_tmp.getObject()) : NULL;
// Find or create the destination buffer.
Buffer* destbuffer = NULL;
for (Buffer::iterator bufiter = Buffer::begin(); bufiter != Buffer::end(); ++bufiter)
{
if (bufiter->getLocation() == dest && bufiter->getItem() == item)
{
if (destbuffer)
{
stringstream o;
o << "Multiple buffers found for item '" << item << "'' and location'" << dest << "'";
throw DataException(o.str());
}
destbuffer = &*bufiter;
}
}
if (!destbuffer)
{
// Create the destination buffer
destbuffer = new BufferDefault();
stringstream o;
o << item << " @ " << dest;
destbuffer->setName(o.str());
destbuffer->setItem(item);
destbuffer->setLocation(dest);
}
// Build the producing operation for this buffer.
destbuffer->getProducingOperation();
// Look for a matching operation replenishing this buffer.
Operation *oper = NULL;
for (Buffer::flowlist::const_iterator flowiter = destbuffer->getFlows().begin();
flowiter != destbuffer->getFlows().end() && !oper; ++flowiter)
{
if (flowiter->getOperation()->getType() != *OperationItemDistribution::metadata
|| flowiter->getQuantity() <= 0)
continue;
OperationItemDistribution* opitemdist = static_cast<OperationItemDistribution*>(flowiter->getOperation());
if (origin)
{
// Origin must match as well
for (Operation::flowlist::const_iterator fl = opitemdist->getFlows().begin();
fl != opitemdist->getFlows().end(); ++ fl)
{
if (fl->getQuantity() < 0 && fl->getBuffer()->getLocation()->isMemberOf(origin))
oper = opitemdist;
}
}
else
oper = opitemdist;
}
// No matching operation is found.
if (!oper)
{
// We'll create one now, but that requires that we have an origin defined.
if (!origin)
throw DataException("Origin location is needed on this distribution order");
Buffer* originbuffer = NULL;
for (Buffer::iterator bufiter = Buffer::begin(); bufiter != Buffer::end(); ++bufiter)
{
if (bufiter->getLocation() == origin && bufiter->getItem() == item)
{
if (originbuffer)
{
stringstream o;
o << "Multiple buffers found for item '" << item << "'' and location'" << dest << "'";
throw DataException(o.str());
}
originbuffer = &*bufiter;
}
}
if (!originbuffer)
{
// Create the origin buffer
originbuffer = new BufferDefault();
stringstream o;
o << item << " @ " << origin;
originbuffer->setName(o.str());
originbuffer->setItem(item);
originbuffer->setLocation(origin);
}
// Note: We know that we need to create a new one. An existing one would
// have created an operation on the buffer already.
ItemDistribution *itemdist = new ItemDistribution();
itemdist->setOrigin(origin);
itemdist->setItem(item);
itemdist->setDestination(dest);
oper = new OperationItemDistribution(itemdist, originbuffer, destbuffer);
new ProblemInvalidData(oper, "Distribution orders on unauthorized lanes", "operation",
Date::infinitePast, Date::infiniteFuture, 1);
}
// Finally, create the operationplan
OperationPlan *opplan = oper->createOperationPlan(qty, start, end, NULL, NULL, 0, false);
if (id)
opplan->setIdentifier(id);
if (status)
opplan->setStatus(status);
if (ref)
opplan->setReference(ref);
if (!consume)
opplan->setConsumeMaterial(false);
opplan->activate();
// Return result
Py_INCREF(opplan);
return opplan;
}