lib/wsrep-lib
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Allow read-only access to transaction context through

Browse Source 
client context to enforce use of client context interface
for manipulating transaction context state.
This commit is contained in:
Teemu Ollakka
2018-05-31 16:55:57 +03:00
parent 2f46758064
commit ae93785a57
14 changed files with 267 additions and 300 deletions
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23
include/trrep/client_context.hpp
View File

@ -189,6 +189,11 @@ namespace trrep
*/
virtual void after_statement();
int start_transaction()
{
assert(state_ == s_exec);
return transaction_.start_transaction();
}
int start_transaction(const trrep::transaction_id& id)
{
assert(state_ == s_exec);
@ -253,6 +258,12 @@ namespace trrep
assert(state_ == s_exec);
return transaction_.after_rollback();
}
int bf_abort(trrep::unique_lock<trrep::mutex>& lock,
wsrep_seqno_t bf_seqno)
{
return transaction_.bf_abort(lock, bf_seqno);
}
/*!
* Get reference to the client mutex.
*
@ -294,7 +305,7 @@ namespace trrep
*/
enum mode mode() const { return mode_; }
trrep::transaction_context& transaction()
const trrep::transaction_context& transaction() const
{
return transaction_;
}
@ -343,7 +354,6 @@ namespace trrep
* Friend declarations
*/
friend int server_context::on_apply(client_context&,
trrep::transaction_context&,
const trrep::data&);
friend class client_context_switch;
friend class client_applier_mode;
@ -387,8 +397,7 @@ namespace trrep
*
* \return Zero on success, non-zero on applying failure.
*/
virtual int apply(trrep::transaction_context& transaction,
const trrep::data& data) = 0;
virtual int apply(const trrep::data& data) = 0;
/*!
* Virtual method which will be called
@ -397,7 +406,7 @@ namespace trrep
*
* \return Zero on success, non-zero on failure.
*/
virtual int commit(trrep::transaction_context&) = 0;
virtual int commit() = 0;
/*!
* Rollback the transaction.
@ -406,7 +415,7 @@ namespace trrep
*
* \return Zero on success, no-zero on failure.
*/
virtual int rollback(trrep::transaction_context&) = 0;
virtual int rollback() = 0;
/*!
* Notify a implementation that the client is about
@ -482,7 +491,9 @@ namespace trrep
client_id id_;
enum mode mode_;
enum state state_;
protected:
trrep::transaction_context transaction_;
private:
/*!
* \todo This boolean should be converted to better read isolation
* semantics.

1
include/trrep/server_context.hpp
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@ -333,7 +333,6 @@ namespace trrep
* \return Zero on success, non-zero on failure.
*/
int on_apply(trrep::client_context& client_context,
trrep::transaction_context& transaction_context,
const trrep::data& data);
/*!

4
include/trrep/transaction_context.hpp
View File

@ -73,7 +73,7 @@ namespace trrep
// Return true if the certification of the last
// fragment succeeded
bool certified() { return certified_; }
bool certified() const { return certified_; }
wsrep_seqno_t seqno() const
{
@ -130,7 +130,7 @@ namespace trrep
int after_statement();
bool bf_abort(trrep::unique_lock<trrep::mutex>& lock,
const transaction_context& txc);
wsrep_seqno_t bf_seqno);
uint32_t flags() const
{