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/*
* Copyright (C) 2012 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.
* 3. Neither the name of Apple Computer, Inc. ("Apple") nor the names of
* its contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY GOOGLE 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 IDBDatabaseMetadata_h
#define IDBDatabaseMetadata_h
#include "IDBObjectStoreMetadata.h"
#if ENABLE(INDEXED_DATABASE)
namespace WebCore {
struct IDBDatabaseMetadata {
// FIXME: These are only here to support the LevelDB backend which incorrectly handles versioning.
// Once LevelDB supports a single, uint64_t version and throws out the old string version, these
// should be gotten rid of.
// Also, "NoIntVersion" used to be a magic number of -1, which doesn't work with the new unsigned type.
// Changing the value to INT64_MAX here seems like a reasonable temporary fix as the current LevelDB
// already cannot represent valid version numbers between INT64_MAX and UINT64_MAX.
#ifndef INT64_MAX
#define INT64_MAX 9223372036854775807LL
#endif
enum {
NoIntVersion = INT64_MAX,
DefaultIntVersion = 0
};
IDBDatabaseMetadata()
: id(0)
, version(0)
, maxObjectStoreId(0)
{
}
IDBDatabaseMetadata(const String& name, int64_t id, uint64_t version, int64_t maxObjectStoreId)
: name(name)
, id(id)
, version(version)
, maxObjectStoreId(maxObjectStoreId)
{
}
String name;
int64_t id;
uint64_t version;
int64_t maxObjectStoreId;
typedef HashMap<int64_t, IDBObjectStoreMetadata> ObjectStoreMap;
ObjectStoreMap objectStores;
IDBDatabaseMetadata isolatedCopy() const;
};
} // namespace WebCore
#endif // ENABLE(INDEXED_DATABASE)
#endif // IDBDatabaseMetadata_h
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