74 lines
2.7 KiB
C++
74 lines
2.7 KiB
C++
/*
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* ISingleThreadTransaction.cpp
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*
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* This source file is part of the FoundationDB open source project
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*
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* Copyright 2013-2022 Apple Inc. and the FoundationDB project authors
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "fdbclient/DatabaseContext.h"
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#include "fdbclient/ISingleThreadTransaction.h"
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#include "fdbclient/PaxosConfigTransaction.h"
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#include "fdbclient/ReadYourWrites.h"
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#include "fdbclient/SimpleConfigTransaction.h"
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ISingleThreadTransaction* ISingleThreadTransaction::allocateOnForeignThread(Type type) {
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if (type == Type::RYW) {
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// We only want to allocate memory for the transaction, not initialize
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// the object, so use operator new instead of new. The RYWTransaction
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// will get initialized on the main thread.
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auto tr =
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(ReadYourWritesTransaction*)ReadYourWritesTransaction::operator new(sizeof(ReadYourWritesTransaction));
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return tr;
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} else if (type == Type::SIMPLE_CONFIG) {
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// Configuration transaction objects expect to be initialized.
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auto tr = new SimpleConfigTransaction;
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return tr;
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} else if (type == Type::PAXOS_CONFIG) {
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auto tr = new PaxosConfigTransaction;
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return tr;
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}
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ASSERT(false);
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return nullptr;
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}
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Reference<ISingleThreadTransaction> ISingleThreadTransaction::create(Type type, Database const& cx) {
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Reference<ISingleThreadTransaction> result;
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if (type == Type::RYW) {
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result = makeReference<ReadYourWritesTransaction>();
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} else if (type == Type::SIMPLE_CONFIG) {
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result = makeReference<SimpleConfigTransaction>();
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} else {
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result = makeReference<PaxosConfigTransaction>();
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}
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result->construct(cx);
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return result;
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}
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Reference<ISingleThreadTransaction> ISingleThreadTransaction::create(Type type,
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Database const& cx,
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TenantName const& tenant) {
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Reference<ISingleThreadTransaction> result;
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if (type == Type::RYW) {
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result = makeReference<ReadYourWritesTransaction>();
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} else if (type == Type::SIMPLE_CONFIG) {
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result = makeReference<SimpleConfigTransaction>();
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} else {
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result = makeReference<PaxosConfigTransaction>();
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}
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result->construct(cx, tenant);
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return result;
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}
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