1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
|
#include "Runtime.h"
#ifdef NT_CONSOLE_APP
#include "CursorManager.h"
#include "HandlerManager.h"
#include "IdentityManager.h"
#include "LifecycleManager.h"
#include "ObjectManager.h"
#include "PermissionsManager.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 user 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 };
objects.Register({ "multigroups", "sakura", "relations", "user" }, std::make_unique<nt::ObjectManager::Relation>(), std::move(type));
// --- Mock: populate the cursor store with three tuples ---
nt::CursorManager cursors;
cursors.MockInsert({ "multigroups", "sakura", "relations", "user" }, { { "name", "Alice" }, { "age", "30" } });
cursors.MockInsert({ "multigroups", "sakura", "relations", "user" }, { { "name", "Bob" }, { "age", "25" } });
cursors.MockInsert({ "multigroups", "sakura", "relations", "user"}, {{"name", "Carol"}, {"age", "35"}});
// --- Open a handle on user 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({ "multigroups", "sakura", "relations", "user" }, &connection);
if (handle == nullptr)
{
std::cout << "Failed to open handle for user\n";
return 1;
}
// --- Open a cursor on the relation ---
nt::CursorManager::cursor* cursor = cursors.Open(handle);
if (cursor == nullptr)
{
std::cout << "Failed to open cursor for user\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 user:\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
|
