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