1 /*
2  * Copyright 2006-2008 The FLWOR Foundation.
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  * http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 #ifndef ZORBA_TREE_ID_H
17 #define ZORBA_TREE_ID_H
18 
19 #include "shared_types.h"
20 #include "store_defs.h"
21 #include "zorbatypes/zstring.h"
22 
23 namespace zorba {
24 
25 namespace simplestore {
26 
27 /*
28 This file (typedef, traits) can be changed to implement a different kind of tree ID.
29 
30 TreeIDs must support:
31 - Comparison operators ==, !=, <, >
32 - Streaming operators << (to an std::ostream), >> (to an std::istream)
33 
34 */
35 
36 typedef ulong TreeId;
37 
38 } // simplestore
39 } // zorba
40 
41 #endif /* ZORBA_TREE_ID_H */
42