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/*
* Copyright (C) 2015 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef TransactionOperation_h
#define TransactionOperation_h
#if ENABLE(INDEXED_DATABASE)
#include "IDBRequestImpl.h"
#include "IDBResourceIdentifier.h"
#include "IDBTransactionImpl.h"
namespace WebCore {
class IDBResultData;
namespace IndexedDB {
enum class IndexRecordType;
}
namespace IDBClient {
class TransactionOperation : public RefCounted<TransactionOperation> {
public:
void perform()
{
ASSERT(m_performFunction);
m_performFunction();
m_performFunction = { };
}
void completed(const IDBResultData& data)
{
ASSERT(m_completeFunction);
m_completeFunction(data);
m_transaction->operationDidComplete(*this);
m_completeFunction = { };
}
const IDBResourceIdentifier& identifier() const { return m_identifier; }
IDBResourceIdentifier transactionIdentifier() const { return m_transaction->info().identifier(); }
uint64_t objectStoreIdentifier() const { return m_objectStoreIdentifier; }
uint64_t indexIdentifier() const { return m_indexIdentifier; }
IDBResourceIdentifier* cursorIdentifier() const { return m_cursorIdentifier.get(); }
IDBTransaction& transaction() { return m_transaction.get(); }
IndexedDB::IndexRecordType indexRecordType() const { return m_indexRecordType; }
protected:
TransactionOperation(IDBTransaction& transaction)
: m_transaction(transaction)
, m_identifier(transaction.serverConnection())
{
}
TransactionOperation(IDBTransaction&, IDBRequest&);
Ref<IDBTransaction> m_transaction;
IDBResourceIdentifier m_identifier;
uint64_t m_objectStoreIdentifier { 0 };
uint64_t m_indexIdentifier { 0 };
std::unique_ptr<IDBResourceIdentifier> m_cursorIdentifier;
IndexedDB::IndexRecordType m_indexRecordType;
std::function<void ()> m_performFunction;
std::function<void (const IDBResultData&)> m_completeFunction;
};
template <typename... Arguments>
class TransactionOperationImpl final : public TransactionOperation {
public:
TransactionOperationImpl(IDBTransaction& transaction, void (IDBTransaction::*completeMethod)(const IDBResultData&), void (IDBTransaction::*performMethod)(TransactionOperation&, Arguments...), Arguments&&... arguments)
: TransactionOperation(transaction)
{
relaxAdoptionRequirement();
RefPtr<TransactionOperation> self(this);
ASSERT(performMethod);
m_performFunction = [self, this, performMethod, arguments...] {
(&m_transaction.get()->*performMethod)(*this, arguments...);
};
if (completeMethod) {
m_completeFunction = [self, this, completeMethod](const IDBResultData& resultData) {
if (completeMethod)
(&m_transaction.get()->*completeMethod)(resultData);
};
}
}
TransactionOperationImpl(IDBTransaction& transaction, IDBRequest& request, void (IDBTransaction::*completeMethod)(IDBRequest&, const IDBResultData&), void (IDBTransaction::*performMethod)(TransactionOperation&, Arguments...), Arguments&&... arguments)
: TransactionOperation(transaction, request)
{
relaxAdoptionRequirement();
RefPtr<TransactionOperation> self(this);
ASSERT(performMethod);
m_performFunction = [self, this, performMethod, arguments...] {
(&m_transaction.get()->*performMethod)(*this, arguments...);
};
if (completeMethod) {
RefPtr<IDBRequest> refRequest(&request);
m_completeFunction = [self, this, refRequest, completeMethod](const IDBResultData& resultData) {
if (completeMethod)
(&m_transaction.get()->*completeMethod)(*refRequest, resultData);
};
}
}
};
inline RefPtr<TransactionOperation> createTransactionOperation(
IDBTransaction& transaction,
void (IDBTransaction::*complete)(const IDBResultData&),
void (IDBTransaction::*perform)(TransactionOperation&))
{
auto operation = new TransactionOperationImpl<>(transaction, complete, perform);
return adoptRef(operation);
}
template<typename MP1, typename P1>
RefPtr<TransactionOperation> createTransactionOperation(
IDBTransaction& transaction,
void (IDBTransaction::*complete)(const IDBResultData&),
void (IDBTransaction::*perform)(TransactionOperation&, MP1),
const P1& parameter1)
{
auto operation = new TransactionOperationImpl<MP1>(transaction, complete, perform, parameter1);
return adoptRef(operation);
}
template<typename MP1, typename P1, typename MP2, typename P2>
RefPtr<TransactionOperation> createTransactionOperation(
IDBTransaction& transaction,
void (IDBTransaction::*complete)(const IDBResultData&),
void (IDBTransaction::*perform)(TransactionOperation&, MP1, MP2),
const P1& parameter1,
const P2& parameter2)
{
auto operation = new TransactionOperationImpl<MP1, MP2>(transaction, complete, perform, parameter1, parameter2);
return adoptRef(operation);
}
template<typename MP1, typename P1>
RefPtr<TransactionOperation> createTransactionOperation(
IDBTransaction& transaction,
IDBRequest& request,
void (IDBTransaction::*complete)(IDBRequest&, const IDBResultData&),
void (IDBTransaction::*perform)(TransactionOperation&, MP1),
const P1& parameter1)
{
auto operation = new TransactionOperationImpl<MP1>(transaction, request, complete, perform, parameter1);
return adoptRef(operation);
}
template<typename MP1, typename P1, typename MP2, typename P2>
RefPtr<TransactionOperation> createTransactionOperation(
IDBTransaction& transaction,
IDBRequest& request,
void (IDBTransaction::*complete)(IDBRequest&, const IDBResultData&),
void (IDBTransaction::*perform)(TransactionOperation&, MP1, MP2),
const P1& parameter1,
const P2& parameter2)
{
auto operation = new TransactionOperationImpl<MP1, MP2>(transaction, request, complete, perform, parameter1, parameter2);
return adoptRef(operation);
}
template<typename MP1, typename MP2, typename MP3, typename P1, typename P2, typename P3>
RefPtr<TransactionOperation> createTransactionOperation(
IDBTransaction& transaction,
IDBRequest& request,
void (IDBTransaction::*complete)(IDBRequest&, const IDBResultData&),
void (IDBTransaction::*perform)(TransactionOperation&, MP1, MP2, MP3),
const P1& parameter1,
const P2& parameter2,
const P3& parameter3)
{
auto operation = new TransactionOperationImpl<MP1, MP2, MP3>(transaction, request, complete, perform, parameter1, parameter2, parameter3);
return adoptRef(operation);
}
} // namespace IDBClient
} // namespace WebCore
#endif // ENABLE(INDEXED_DATABASE)
#endif // TransactionOperation_h
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