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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 IDBIndex_h
#define IDBIndex_h
#include "IDBCursor.h"
#include "IDBDatabase.h"
#include "IDBKeyPath.h"
#include "IDBKeyRange.h"
#include "IDBObjectStore.h"
#include "IDBRequest.h"
#include "ScriptWrappable.h"
#include <wtf/Forward.h>
#include <wtf/text/WTFString.h>
#if ENABLE(INDEXED_DATABASE)
namespace WebCore {
class IDBObjectStore;
class IDBIndex {
public:
virtual ~IDBIndex() { }
// Implement the IDL
virtual const String& name() const = 0;
virtual RefPtr<IDBObjectStore> objectStore() = 0;
virtual RefPtr<IDBAny> keyPathAny() const = 0;
virtual const IDBKeyPath& keyPath() const = 0;
virtual bool unique() const = 0;
virtual bool multiEntry() const = 0;
virtual RefPtr<IDBRequest> openCursor(ScriptExecutionContext*, ExceptionCodeWithMessage&) = 0;
virtual RefPtr<IDBRequest> openCursor(ScriptExecutionContext*, IDBKeyRange*, ExceptionCodeWithMessage&) = 0;
virtual RefPtr<IDBRequest> openCursor(ScriptExecutionContext*, const Deprecated::ScriptValue& key, ExceptionCodeWithMessage&) = 0;
virtual RefPtr<IDBRequest> openCursor(ScriptExecutionContext*, IDBKeyRange*, const String& direction, ExceptionCodeWithMessage&) = 0;
virtual RefPtr<IDBRequest> openCursor(ScriptExecutionContext*, const Deprecated::ScriptValue& key, const String& direction, ExceptionCodeWithMessage&) = 0;
virtual RefPtr<IDBRequest> count(ScriptExecutionContext*, ExceptionCodeWithMessage&) = 0;
virtual RefPtr<IDBRequest> count(ScriptExecutionContext*, IDBKeyRange*, ExceptionCodeWithMessage&) = 0;
virtual RefPtr<IDBRequest> count(ScriptExecutionContext*, const Deprecated::ScriptValue& key, ExceptionCodeWithMessage&) = 0;
virtual RefPtr<IDBRequest> openKeyCursor(ScriptExecutionContext*, ExceptionCodeWithMessage&) = 0;
virtual RefPtr<IDBRequest> openKeyCursor(ScriptExecutionContext*, IDBKeyRange*, ExceptionCodeWithMessage&) = 0;
virtual RefPtr<IDBRequest> openKeyCursor(ScriptExecutionContext*, const Deprecated::ScriptValue& key, ExceptionCodeWithMessage&) = 0;
virtual RefPtr<IDBRequest> openKeyCursor(ScriptExecutionContext*, IDBKeyRange*, const String& direction, ExceptionCodeWithMessage&) = 0;
virtual RefPtr<IDBRequest> openKeyCursor(ScriptExecutionContext*, const Deprecated::ScriptValue& key, const String& direction, ExceptionCodeWithMessage&) = 0;
virtual RefPtr<IDBRequest> get(ScriptExecutionContext*, IDBKeyRange*, ExceptionCodeWithMessage&) = 0;
virtual RefPtr<IDBRequest> get(ScriptExecutionContext*, const Deprecated::ScriptValue& key, ExceptionCodeWithMessage&) = 0;
virtual RefPtr<IDBRequest> getKey(ScriptExecutionContext*, IDBKeyRange*, ExceptionCodeWithMessage&) = 0;
virtual RefPtr<IDBRequest> getKey(ScriptExecutionContext*, const Deprecated::ScriptValue& key, ExceptionCodeWithMessage&) = 0;
virtual bool isModern() const { return false; }
// We use our own ref/deref function because Legacy IDB and Modern IDB have very different
// lifetime management of their indexes.
// This will go away once Legacy IDB is dropped.
virtual void ref() = 0;
virtual void deref() = 0;
protected:
IDBIndex();
};
} // namespace WebCore
#endif
#endif // IDBIndex_h
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