library/cpp/messagebus/nondestroying_holder.h


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

#pragma once

#include <util/generic/ptr.h>

template <typename T>
class TNonDestroyingHolder: public THolder<T> {
public:
    TNonDestroyingHolder(T* t = nullptr) noexcept 
        : THolder<T>(t)
    {
    }

    TNonDestroyingHolder(TAutoPtr<T> t) noexcept 
        : THolder<T>(t)
    {
    }

    ~TNonDestroyingHolder() {
        Y_VERIFY(!*this, "stored object must be explicitly released");
    }
};

template <class T>
class TNonDestroyingAutoPtr: public TAutoPtr<T> {
public:
    inline TNonDestroyingAutoPtr(T* t = 0) noexcept 
        : TAutoPtr<T>(t)
    {
    }

    inline TNonDestroyingAutoPtr(const TAutoPtr<T>& t) noexcept 
        : TAutoPtr<T>(t.Release())
    {
    }

    inline ~TNonDestroyingAutoPtr() { 
        Y_VERIFY(!*this, "stored object must be explicitly released");
    }
};