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Add default c'tor and move assignment to transactions

This commit is contained in:
Martchus 2022-02-01 22:02:25 +01:00
parent 5eae3f2c98
commit 28a3aa7345
1 changed files with 47 additions and 2 deletions
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49
lmdb-typed.hh
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@ -495,6 +495,13 @@ public:
class LMDB_SAFE_EXPORT ROTransaction : public ReadonlyOperations<ROTransaction> {
public:
explicit ROTransaction()
: ReadonlyOperations<ROTransaction>(*this)
, d_parent(nullptr)
, d_txn(nullptr)
{
}
explicit ROTransaction(TypedDBI *parent)
: ReadonlyOperations<ROTransaction>(*this)
, d_parent(parent)
@ -502,7 +509,7 @@ public:
{
}
explicit ROTransaction(TypedDBI *parent, std::shared_ptr<MDBROTransaction> txn)
explicit ROTransaction(TypedDBI *parent, const std::shared_ptr<MDBROTransaction> &txn)
: ReadonlyOperations<ROTransaction>(*this)
, d_parent(parent)
, d_txn(txn)
@ -515,7 +522,20 @@ public:
, d_txn(std::move(rhs.d_txn))
{
rhs.d_parent = 0;
rhs.d_parent = nullptr;
}
ROTransaction &operator=(ROTransaction &&rhs)
{
d_parent = rhs.d_parent;
d_txn = std::move(rhs.d_txn);
rhs.d_parent = nullptr;
return *this;
}
operator bool() const
{
return d_txn != nullptr;
}
std::shared_ptr<MDBROTransaction> getTransactionHandle()
@ -523,6 +543,11 @@ public:
return d_txn;
}
void close()
{
d_txn.reset();
}
typedef MDBROCursor cursor_t;
TypedDBI *d_parent;
@ -531,6 +556,13 @@ public:
class LMDB_SAFE_EXPORT RWTransaction : public ReadonlyOperations<RWTransaction> {
public:
explicit RWTransaction()
: ReadonlyOperations<RWTransaction>(*this)
, d_parent(nullptr)
, d_txn(nullptr)
{
}
explicit RWTransaction(TypedDBI *parent)
: ReadonlyOperations<RWTransaction>(*this)
, d_parent(parent)
@ -553,6 +585,19 @@ public:
rhs.d_parent = 0;
}
RWTransaction &operator=(RWTransaction &&rhs)
{
d_parent = rhs.d_parent;
d_txn = std::move(rhs.d_txn);
rhs.d_parent = nullptr;
return *this;
}
operator bool() const
{
return d_txn != nullptr;
}
// insert something, with possibly a specific id
std::uint32_t put(const T &t, std::uint32_t id = 0)
{