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Remove unused TransactionCallback

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Summary:
TransactionCallback was never used. Remove it to avoid confusion.
Closes https://github.com/facebook/rocksdb/pull/2853

Differential Revision: D5787219

Pulled By: maysamyabandeh

fbshipit-source-id: e2b6a89537e3770a269ad38be71c4b0b160a88ac
This commit is contained in:
Maysam Yabandeh 2017-09-07 12:15:49 -07:00 committed by Facebook Github Bot
parent 10ddd59ba7
commit 7e19a571e9
1 changed files with 0 additions and 20 deletions
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20
utilities/transactions/pessimistic_transaction.h
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@ -205,26 +205,6 @@ class WriteCommittedTxn : public PessimisticTransaction {
void operator=(const WriteCommittedTxn&);
};
// Used at commit time to check whether transaction is committing before its
// expiration time.
class TransactionCallback : public WriteCallback {
public:
explicit TransactionCallback(PessimisticTransaction* txn) : txn_(txn) {}
Status Callback(DB* /* unused */) override {
if (txn_->IsExpired()) {
return Status::Expired();
} else {
return Status::OK();
}
}
bool AllowWriteBatching() override { return true; }
private:
PessimisticTransaction* txn_;
};
} // namespace rocksdb
#endif // ROCKSDB_LITE