DECLARE_EXPORT void Flow::validate(Action action)
{
// Catch null operation and buffer pointers
Operation* oper = getOperation();
Buffer* buf = getBuffer();
if (!oper || !buf)
{
// This flow is not a valid one since it misses essential information
if (!oper && !buf)
throw DataException("Missing operation and buffer on a flow");
else if (!oper)
throw DataException("Missing operation on a flow with buffer '"
+ buf->getName() + "'");
else
throw DataException("Missing buffer on a flow with operation '"
+ oper->getName() + "'");
}
// Check if a flow with 1) identical buffer, 2) identical operation and
// 3) overlapping effectivity dates already exists, and 4) same
// flow type.
Operation::flowlist::const_iterator i = oper->getFlows().begin();
for (; i != oper->getFlows().end(); ++i)
if (i->getBuffer() == buf
&& i->getEffective().overlap(getEffective())
&& i->getType() == getType()
&& &*i != this)
break;
// Apply the appropriate action
switch (action)
{
case ADD:
if (i != oper->getFlows().end())
throw DataException("Flow of '" + oper->getName() + "' and '" +
buf->getName() + "' already exists");
break;
case CHANGE:
throw DataException("Can't update a flow");
case ADD_CHANGE:
// ADD is handled in the code after the switch statement
if (i == oper->getFlows().end()) break;
throw DataException("Can't update a flow between '" +
oper->getName() + "' and '" + buf->getName() + "')");
case REMOVE:
// Delete the temporary flow object
delete this;
// Nothing to delete
if (i == oper->getFlows().end())
throw DataException("Can't remove nonexistent flow of '"
+ oper->getName() + "' and '" + buf->getName() + "'");
// Delete
delete &*i;
}
// Set a flag to make sure the level computation is triggered again
HasLevel::triggerLazyRecomputation();
}
Object* Flow::finder(const DataValueDict& d)
{
// Check operation
const DataValue* tmp = d.get(Tags::operation);
if (!tmp)
return nullptr;
Operation* oper = static_cast<Operation*>(tmp->getObject());
// Check buffer field
tmp = d.get(Tags::buffer);
if (!tmp)
return nullptr;
Buffer* buf = static_cast<Buffer*>(tmp->getObject());
// Walk over all flows of the operation, and return
// the first one with matching
const DataValue* hasEffectiveStart = d.get(Tags::effective_start);
Date effective_start;
if (hasEffectiveStart)
effective_start = hasEffectiveStart->getDate();
const DataValue* hasEffectiveEnd = d.get(Tags::effective_end);
Date effective_end;
if (hasEffectiveEnd)
effective_end = hasEffectiveEnd->getDate();
const DataValue* hasPriority = d.get(Tags::priority);
int priority = 1;
if (hasPriority)
priority = hasPriority->getInt();
const DataValue* hasName = d.get(Tags::name);
string name;
if (hasName)
name = hasName->getString();
for (Operation::flowlist::const_iterator fl = oper->getFlows().begin();
fl != oper->getFlows().end(); ++fl)
{
if (fl->getBuffer() != buf)
continue;
if (hasEffectiveStart && fl->getEffectiveStart() != effective_start)
continue;
if (hasEffectiveEnd && fl->getEffectiveEnd() != effective_end)
continue;
if (hasPriority && fl->getPriority() != priority)
continue;
if (hasName && fl->getName() != name)
continue;
return const_cast<Flow*>(&*fl);
}
return nullptr;
}
DECLARE_EXPORT void Buffer::setOnHand(double f)
{
// The dummy operation to model the inventory may need to be created
Operation *o = Operation::find(INVENTORY_OPERATION);
Flow *fl;
if (!o)
{
// Create a fixed time operation with zero leadtime, hidden from the xml
// output, hidden for the solver, and without problem detection.
o = new OperationFixedTime();
o->setName(INVENTORY_OPERATION);
o->setHidden(true);
o->setDetectProblems(false);
fl = new FlowEnd(o, this, 1);
}
else
// Find the flow of this operation
fl = const_cast<Flow*>(&*(o->getFlows().begin()));
// Check valid pointers
if (!fl || !o)
throw LogicException("Failed creating inventory operation for '"
+ getName() + "'");
// Make sure the sign of the flow is correct: +1 or -1.
fl->setQuantity(f>=0.0 ? 1.0 : -1.0);
// Create a dummy operationplan on the inventory operation
OperationPlan::iterator i(o);
if (i == OperationPlan::end())
{
// No operationplan exists yet
OperationPlan *opplan = o->createOperationPlan(
fabs(f), Date::infinitePast, Date::infinitePast);
opplan->setLocked(true);
opplan->activate();
}
else
{
// Update the existing operationplan
i->setLocked(false);
i->setQuantity(fabs(f));
i->setLocked(true);
}
setChanged();
}