rocksdb/utilities/transactions/snapshot_checker.cc
Maysam Yabandeh 60d83df23d WritePrepared Txn: Move DB class to its own file
Summary:
Move  WritePreparedTxnDB from pessimistic_transaction_db.h to its own header, write_prepared_txn_db.h
Closes https://github.com/facebook/rocksdb/pull/3114

Differential Revision: D6220987

Pulled By: maysamyabandeh

fbshipit-source-id: 18893fb4fdc6b809fe117dabb544080f9b4a301b
2017-11-02 11:14:30 -07:00

42 lines
1.1 KiB
C++

// Copyright (c) 2011-present, Facebook, Inc. All rights reserved.
// This source code is licensed under both the GPLv2 (found in the
// COPYING file in the root directory) and Apache 2.0 License
// (found in the LICENSE.Apache file in the root directory).
#include "db/snapshot_checker.h"
#ifdef ROCKSDB_LITE
#include <assert.h>
#endif // ROCKSDB_LITE
#include "utilities/transactions/write_prepared_txn_db.h"
namespace rocksdb {
#ifdef ROCKSDB_LITE
WritePreparedSnapshotChecker::WritePreparedSnapshotChecker(
WritePreparedTxnDB* txn_db) {}
bool WritePreparedSnapshotChecker::IsInSnapshot(
SequenceNumber sequence, SequenceNumber snapshot_sequence) const {
// Should never be called in LITE mode.
assert(false);
return true;
}
#else
WritePreparedSnapshotChecker::WritePreparedSnapshotChecker(
WritePreparedTxnDB* txn_db)
: txn_db_(txn_db){};
bool WritePreparedSnapshotChecker::IsInSnapshot(
SequenceNumber sequence, SequenceNumber snapshot_sequence) const {
return txn_db_->IsInSnapshot(sequence, snapshot_sequence);
}
#endif // ROCKSDB_LITE
DisableGCSnapshotChecker DisableGCSnapshotChecker::instance_;
} // namespace rocksdb