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Modify the TransactionImpl class

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This commit is contained in:
antao 2019-02-21 20:36:18 +08:00
parent 52f1888a14
commit 90e63c1a0f
2 changed files with 18 additions and 7 deletions
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24
orm_lib/src/TransactionImpl.cc
View File

@ -82,6 +82,7 @@ void TransactionImpl::execSql(std::string &&sql,
if (!thisPtr->_isWorking)
{
thisPtr->_isWorking = true;
thisPtr->_thisPtr = thisPtr;
thisPtr->_connectionPtr->execSql(std::move(sql),
paraNum,
std::move(parameters),
@ -152,6 +153,7 @@ void TransactionImpl::rollback()
return;
}
thisPtr->_isWorking = true;
thisPtr->_thisPtr = thisPtr;
thisPtr->_connectionPtr->execSql("rollback",
0,
std::vector<const char *>(),
@ -173,13 +175,14 @@ void TransactionImpl::rollback()
void TransactionImpl::execNewTask()
{
_loop->assertInLoopThread();
_thisPtr.reset();
assert(_isWorking);
if (!_isCommitedOrRolledback)
{
auto thisPtr = shared_from_this();
if (!_sqlCmdBuffer.empty())
{
auto cmd = _sqlCmdBuffer.front();
auto cmd = std::move(_sqlCmdBuffer.front());
_sqlCmdBuffer.pop_front();
auto conn = _connectionPtr;
conn->execSql(std::move(cmd._sql),
@ -187,10 +190,21 @@ void TransactionImpl::execNewTask()
std::move(cmd._parameters),
std::move(cmd._length),
std::move(cmd._format),
std::move(cmd._cb),
[callback = std::move(cmd._cb), cmd, thisPtr](const Result &r) {
if (cmd._isRollbackCmd)
{
thisPtr->_isCommitedOrRolledback = true;
}
if (callback)
callback(r);
},
[cmd, thisPtr](const std::exception_ptr &ePtr) {
if (!cmd._isRollbackCmd)
thisPtr->rollback();
else
{
thisPtr->_isCommitedOrRolledback = true;
}
if (cmd._exceptCb)
cmd._exceptCb(ePtr);
});
@ -239,6 +253,7 @@ void TransactionImpl::doBegin()
assert(!thisPtr->_isWorking);
assert(!thisPtr->_isCommitedOrRolledback);
thisPtr->_isWorking = true;
thisPtr->_thisPtr = thisPtr;
thisPtr->_connectionPtr->execSql("begin",
0,
std::vector<const char *>(),
@ -249,11 +264,6 @@ void TransactionImpl::doBegin()
},
[thisPtr](const std::exception_ptr &ePtr) {
thisPtr->_isCommitedOrRolledback = true;
if (thisPtr->_usedUpCallback)
{
thisPtr->_usedUpCallback();
}
});
});
}

1
orm_lib/src/TransactionImpl.h
View File

@ -66,6 +66,7 @@ class TransactionImpl : public Transaction, public std::enable_shared_from_this<
void doBegin();
trantor::EventLoop *_loop;
std::function<void(bool)> _commitCallback;
std::shared_ptr<TransactionImpl> _thisPtr;
};
} // namespace orm
} // namespace drogon