// only copy a complete independent tree
// when node name exists
void ComputationNetwork::CopySubTree(const ComputationNetwork& fromNet,
const std::wstring fromName, std::wstring toNamePrefix,
const CopyNodeFlags flags)
{
InvalidateCompiledNetwork();
if (!(flags & CopyNodeFlags::copyNodeValue))
LogicError("CopySubTree: you cannot copy a tree without copying the node values.");
ComputationNodeBasePtr fromRoot = fromNet.GetNodeFromName(fromName);
for (const auto& fromNode : GetEvalOrder(fromRoot))
{
wstring fromNodeName = fromNode->NodeName();
wstring toNodeName = toNamePrefix + fromNodeName;
ComputationNodeBasePtr toNode = CopyNode(fromNet, fromNodeName,
toNodeName,
CopyNodeFlags::copyNodeValue);
if (flags & CopyNodeFlags::copyNodeChildren)
{
// copy the children structure but use the new nodes generated
for (int i = 0; i < fromNode->GetNumInputs(); i++)
toNode->SetInput(i, GetNodeFromName(toNamePrefix + fromNode->GetInputs()[i]->NodeName()));
}
}
}
// only copy a complete independent tree
// when node name exists
void ComputationNetwork::CopySubTree(const ComputationNetwork& fromNet,
const std::wstring fromName, std::wstring toNamePrefix,
const CopyNodeFlags flags)
{
InvalidateCompiledNetwork();
if (!(flags & CopyNodeFlags::copyNodeValue))
LogicError("CopySubTree: you cannot copy a tree without copying the node values.");
ComputationNodeBasePtr fromRoot = fromNet.GetNodeFromName(fromName);
if (!fromNet.EvalOrderExists(fromRoot))
const_cast<ComputationNetwork&>(fromNet).FormEvalOrder(fromRoot);
for (const auto& fromNode : fromNet.GetEvalOrder(fromRoot)) // BUGBUG: This probably will fail because the precomputed eval orders are invalid at this point.
{
wstring fromNodeName = fromNode->NodeName();
wstring toNodeName = toNamePrefix + fromNodeName;
ComputationNodeBasePtr toNode = CopyNode(fromNet, fromNodeName,
toNodeName,
CopyNodeFlags::copyNodeValue);
if (flags & CopyNodeFlags::copyNodeInputLinks)
{
// copy the children structure but use the new nodes generated
for (int i = 0; i < fromNode->GetNumInputs(); i++)
toNode->SetInput(i, GetNodeFromName(toNamePrefix + fromNode->GetInputs()[i]->NodeName()));
}
}
}
ComputationNodeBasePtr ComputationNetwork::CopyNode(const ComputationNetwork& fromNet,
const std::wstring fromName,
std::wstring toName,
const CopyNodeFlags flags)
{
InvalidateCompiledNetwork();
if (toName == L"")
toName = fromName;
ComputationNodeBasePtr pFromNode = fromNet.GetNodeFromName(fromName);
ComputationNodeBasePtr pToNode;
// don't allow cross network child copy unless caller explicity handles children fixup
if ((flags & CopyNodeFlags::copyNodeChildren) &&
this != &fromNet && !(flags & CopyNodeFlags::copyNodeChildrenCrossNetwork))
{
LogicError("CopyNode: Copying node children across network is invalid.");
}
if (!NodeNameExists(toName))
{
pToNode = pFromNode->Duplicate(toName, flags);
AddNodeToNet(pToNode);
}
else
{
// node already exists
pToNode = GetNodeFromName(toName);
// same node. no copy needed
if (pFromNode == pToNode)
LogicError("CopyNode: You are copying the node to the same network with same node name.");
else
pFromNode->CopyTo(pToNode, toName, flags); // blast it over the existing node
}
return pToNode;
}