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2  *
3  * Licensed to the Apache Software Foundation (ASF) under one
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5  * distributed with this work for additional information
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7  * to you under the Apache License, Version 2.0 (the
8  * "License"); you may not use this file except in compliance
9  * with the License.  You may obtain a copy of the License at
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11  *   http://www.apache.org/licenses/LICENSE-2.0
12  *
13  * Unless required by applicable law or agreed to in writing,
14  * software distributed under the License is distributed on an
15  * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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20  *************************************************************/
21 
22 #include "ResIDGenerator.hxx"
23 
24 /**
25    * Destructor
26    *
27    * @param
28    * @return
29    */
~ResIDGenerator()30 ResIDGenerator::~ResIDGenerator()
31 {
32 }
33 
34 /**
35    * SubList stores those IDs that were ever generated and deleted, the method
36    * return the ID from subList first if subList is not empty,else return ++max.
37    * Add the obsolete IDs by calling SetSub method
38    *
39    * @param
40    * @return  new resource ID.
41    */
GenerateNewResID()42 long ResIDGenerator::GenerateNewResID()
43 {
44     if (max == LONG_MAX)
45     {
46         if (!subList.empty())
47         {
48             long nRes = *(subList.begin());
49             subList.pop_front();
50             return nRes;
51         }
52     }
53     return -(++max);
54 }
55