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* Copyright (C) 2010 Google Inc. All rights reserved.
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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#ifndef IDBTransactionBackendInterface_h
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#define IDBTransactionBackendInterface_h
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#include "IDBCallbacks.h"
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#include <wtf/Threading.h>
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#include <wtf/text/WTFString.h>
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#if ENABLE(INDEXED_DATABASE)
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class IDBCursorBackendImpl;
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class IDBObjectStoreBackendInterface;
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class IDBTransactionCallbacks;
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typedef int ExceptionCode;
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// This class is shared by IDBTransaction (async) and IDBTransactionSync (sync).
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// This is implemented by IDBTransactionBackendImpl and optionally others (in order to proxy
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// calls across process barriers). All calls to these classes should be non-blocking and
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// trigger work on a background thread if necessary.
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class IDBTransactionBackendInterface : public ThreadSafeRefCounted<IDBTransactionBackendInterface> {
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virtual ~IDBTransactionBackendInterface() { }
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virtual PassRefPtr<IDBObjectStoreBackendInterface> objectStore(int64_t, ExceptionCode&) = 0;
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virtual void commit() = 0;
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virtual void abort() = 0;
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virtual void setCallbacks(IDBTransactionCallbacks*) = 0;
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} // namespace WebCore
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#endif // IDBTransactionBackendInterface_h