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#include "Runtime.h"
#ifdef NT_CONSOLE_APP
#include "CursorManager.h"
#include "HandlerManager.h"
#include "IdentityManager.h"
#include "LifecycleManager.h"
#include "Merkle.h"
#include "ObjectManager.h"
#include "PermissionsManager.h"
#include "SqliteBackend.h"
#include "TupleCodec.h"
#include "VM.h"
#include <iostream>
#endif
namespace nt
{
bool NT::IsRunning() const
{
return true;
}
void NT::SimulateEntryCall()
{
}
}
#ifdef NT_CONSOLE_APP
int main()
{
const nt::NT runtime;
std::cout << "RNT running: " << (runtime.IsRunning() ? "yes" : "no") << '\n';
// --- Mock: register villager in the object registry ---
nt::ObjectManager objects;
std::unique_ptr<nt::ObjectManager::object_type> type = std::make_unique<nt::ObjectManager::object_type>();
type->label = RELATION;
type->disposable = false;
type->methods = { OPEN, CLOSE };
const std::vector<std::string> path = { "multigroups", "sakura", "relations", "villager" };
objects.Register(path, std::make_unique<nt::ObjectManager::Relation>(), std::move(type));
auto* villager_rel = dynamic_cast<nt::ObjectManager::Relation*>(
objects.Find(path)->object.get());
// --- Populate backend with three tuples via the Merkle tree ---
nt::SqliteBackend backend;
auto store = [&](std::vector<nt::Attribute> attrs) {
auto bytes = nt::TupleCodec::Serialize(attrs);
auto hash = backend.Put(std::move(bytes));
villager_rel->merkle_root =
nt::Merkle::Insert(backend, villager_rel->merkle_root, hash);
};
store({ { "name", "Blathers" }, { "profession", "Museum Curator" } });
store({ { "name", "Rover" }, { "profession", "Traveller" } });
store({ { "name", "K.K." }, { "profession", "Artist" } });
nt::CursorManager cursors(backend);
// --- Open a handle on villager through the full manager pipeline ---
nt::PermissionsManager permissions;
nt::IdentityManager identities;
nt::LifecycleManager lifecycles;
nt::HandlerManager handler(objects, permissions, identities, lifecycles);
int connection = 1; // dummy connection context
nt::HandlerManager::handle* handle = handler.Open(path, &connection);
if (handle == nullptr)
{
std::cout << "Failed to open handle for villager\n";
return 1;
}
// --- Open a cursor on the relation ---
nt::CursorManager::cursor* cursor = cursors.Open(handle, villager_rel->merkle_root);
if (cursor == nullptr)
{
std::cout << "Failed to open cursor for villager\n";
handler.Close(handle);
return 1;
}
// --- Build a SCAN plan and pull all tuples lazily through the FOL VM ---
nt::PlanNode plan;
plan.op = nt::PlanNode::Op::SCAN;
plan.scan_cursor = cursor;
nt::VM vm(cursors);
std::cout << "Tuples in villager:\n";
while (nt::Tuple* t = vm.Next(&plan))
{
std::cout << " ";
const nt::Attribute* attr = t->Next();
while (attr != nullptr)
{
std::cout << attr->name << "=" << attr->value;
attr = t->Next();
if (attr != nullptr)
std::cout << ", ";
}
std::cout << '\n';
}
// --- Cleanup ---
cursors.Close(cursor);
handler.Close(handle);
#ifdef NT_WAIT_ON_EXIT
std::cout << "Press Enter to exit...";
std::cin.get();
#endif
return runtime.IsRunning() ? 0 : 1;
}
#endif
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