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/*
* Copyright (C) 2010 Google 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 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 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 WebIDBIndex_h
#define WebIDBIndex_h
#include "WebExceptionCode.h"
#include "WebIDBTransaction.h"
#include "platform/WebString.h"
namespace WebKit {
class WebIDBCallbacks;
class WebIDBKey;
class WebIDBKeyRange;
// See comment in WebIDBFactory for a high level overview of these classes.
class WebIDBIndex {
public:
virtual ~WebIDBIndex() { }
virtual WebString name() const
{
WEBKIT_ASSERT_NOT_REACHED();
return WebString();
}
virtual WebString storeName() const
{
WEBKIT_ASSERT_NOT_REACHED();
return WebString();
}
virtual WebString keyPath() const
{
WEBKIT_ASSERT_NOT_REACHED();
return WebString();
}
virtual bool unique() const
{
WEBKIT_ASSERT_NOT_REACHED();
return false;
}
virtual bool multiEntry() const
{
WEBKIT_ASSERT_NOT_REACHED();
return false;
}
virtual void openObjectCursor(const WebIDBKeyRange&, unsigned short direction, WebIDBCallbacks*, const WebIDBTransaction&, WebExceptionCode&) { WEBKIT_ASSERT_NOT_REACHED(); }
virtual void openKeyCursor(const WebIDBKeyRange&, unsigned short direction, WebIDBCallbacks*, const WebIDBTransaction&, WebExceptionCode&) { WEBKIT_ASSERT_NOT_REACHED(); }
virtual void count(const WebIDBKeyRange&, WebIDBCallbacks*, const WebIDBTransaction&, WebExceptionCode&) { WEBKIT_ASSERT_NOT_REACHED(); }
virtual void getObject(const WebIDBKey&, WebIDBCallbacks*, const WebIDBTransaction&, WebExceptionCode&) { WEBKIT_ASSERT_NOT_REACHED(); }
virtual void getKey(const WebIDBKey&, WebIDBCallbacks*, const WebIDBTransaction&, WebExceptionCode&) { WEBKIT_ASSERT_NOT_REACHED(); }
protected:
WebIDBIndex() {}
};
} // namespace WebKit
#endif // WebIDBIndex_h
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