void ComputationNetwork::RenameNode(ComputationNodeBasePtr node, const std::wstring& newNodeName)
{
// TODO: check if new name exists
m_nameToNodeMap.erase(node->NodeName());
node->SetNodeName(newNodeName);
AddNodeToNet(node);
}
void ComputationNetwork::AddFeatureNode(ComputationNodeBasePtr featureNode)
{
InvalidateCompiledNetwork();
AddNodeToNet(featureNode);
AddToNodeGroup(L"feature", featureNode);
}
// replace a named node by newNode of the same type under the same name, including moving over all network links
// This is used in
// 1. Update nodes to quantized versions.
// 2. The KL-reg based adaptation to reduce feature copy (deprecated)
// need to update all the mappings as well childrens.
void ComputationNetwork::ReplaceNode(wstring nodeName, ComputationNodeBasePtr newNode)
{
ComputationNodeBasePtr oldNode = GetNodeFromName(nodeName);
if (newNode->NodeName() != nodeName) // TODO: This was not tested for earlier; I hope no code depends on this.
InvalidArgument("ChangeNode: newNode must have the same name as the old node.");
InvalidateCompiledNetwork();
// change all nodes that have old node as input to point to the new node instead
ChangeNodeInputs(oldNode, newNode);
// change all inputs of this new node to share the old one's inputs
for (int i = 0; i < oldNode->GetNumInputs(); i++)
{
newNode->SetInput(i, oldNode->GetInputs()[i]); // TODO: use AttachInput()?
//oldNode->SetInput(i, nullptr); // BUGBUG: old node should no longer point into the network
}
// replace the node in the network
RemoveNodeFromNet(oldNode);
AddNodeToNet(newNode);
// also update node groups
for (auto groupIter : GetAllNodeGroups())
{
auto& group = *groupIter;
for (int i = 0; i < group.size(); i++)
if (group[i] == oldNode)
group[i] = newNode;
}
}
void ComputationNetwork::RenameNode(ComputationNodeBasePtr node, const std::wstring& newNodeName)
{
// make sure the new name is not already used
auto iter = m_nameToNodeMap.find(newNodeName);
if (iter != m_nameToNodeMap.end()) // found
RuntimeError("RenameNode: Target name already exists.");
InvalidateCompiledNetwork();
RemoveNodeFromNet(node); // take it out remporarily
node->SetNodeName(newNodeName); // change the name
AddNodeToNet(node); // and put it back
}
// Inserts a newNode such that the inputNodeName serves as the input to the newNode
// Prior to this call, inputNodeName should be set as the input to newNode.
void ComputationNetwork::InsertNode(wstring inputNodeName, ComputationNodeBasePtr newNode, const std::set<std::wstring>& newNodeTags)
{
newNode->Validate(false);
ComputationNodeBasePtr inputNode = GetNodeFromName(inputNodeName);
InvalidateCompiledNetwork();
// change all nodes that have old node as input to point to the new node instead
ChangeNodeInputs(inputNode, newNode);
// insert the node in the network
AddNodeToNet(newNode);
// also update node groups
for (auto nodeTag : newNodeTags)
{
AddToNodeGroup(nodeTag, newNode);
}
}
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;
}
