/*
 * Copyright 2006-2008 The FLWOR Foundation.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
#ifndef ZORBA_TREE_ID_H
#define ZORBA_TREE_ID_H

#include "shared_types.h"
#include "store_defs.h"
#include "zorbatypes/zstring.h"

namespace zorba {

namespace simplestore {

/*
This file (typedef, traits) can be changed to implement a different kind of tree ID.

TreeIDs must support:
- Comparison operators ==, !=, <, >
- Streaming operators << (to an std::ostream), >> (to an std::istream)

*/

typedef ulong TreeId;

} // simplestore
} // zorba

#endif /* ZORBA_TREE_ID_H */
