foundationdb/fdbclient/ISingleThreadTransaction.cpp

59 lines
1.9 KiB
C++

/*
* ISingleThreadTransaction.cpp
*
* This source file is part of the FoundationDB open source project
*
* Copyright 2013-2018 Apple Inc. and the FoundationDB project authors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "fdbclient/DatabaseContext.h"
#include "fdbclient/ISingleThreadTransaction.h"
#include "fdbclient/PaxosConfigTransaction.h"
#include "fdbclient/ReadYourWrites.h"
#include "fdbclient/SimpleConfigTransaction.h"
ISingleThreadTransaction* ISingleThreadTransaction::allocateOnForeignThread(Type type) {
if (type == Type::RYW) {
auto tr =
(ReadYourWritesTransaction*)(ReadYourWritesTransaction::operator new(sizeof(ReadYourWritesTransaction)));
tr->preinitializeOnForeignThread();
return tr;
} else if (type == Type::SIMPLE_CONFIG) {
auto tr = (SimpleConfigTransaction*)(SimpleConfigTransaction::operator new(sizeof(SimpleConfigTransaction)));
return tr;
} else if (type == Type::PAXOS_CONFIG) {
auto tr = (PaxosConfigTransaction*)(PaxosConfigTransaction::operator new(sizeof(PaxosConfigTransaction)));
return tr;
}
ASSERT(false);
return nullptr;
}
void ISingleThreadTransaction::create(ISingleThreadTransaction* tr, Type type, Database db) {
switch (type) {
case Type::RYW:
new (tr) ReadYourWritesTransaction(db);
break;
case Type::SIMPLE_CONFIG:
new (tr) SimpleConfigTransaction(db);
break;
case Type::PAXOS_CONFIG:
new (tr) PaxosConfigTransaction(db);
break;
default:
ASSERT(false);
}
}