src/common/IDGenerator.h

#ifndef LS_IDGENERATOR_H
#define LS_IDGENERATOR_H

#include <set>

namespace LinuxSampler {

/**
 * Generates unique numerical IDs starting from zero.
 *
 * @e Note: this class is not exported to the C++ API of the sampler!
 */
class IDGenerator {
public:
    /**
     * Constructor.
     *
     * @param simpleAlgorithm - if false, all created IDs which are still in
     *                          use will be remembered, if true then IDs are
     *                          simply generated by incrementing an int variable
     *                          by 1 until the whole int value range was used
     */
    IDGenerator(bool simpleAlgorithm = false);

    /**
     * Returns new unique positive ID of at least zero, a negative number if
     * no free ID could be generated.
     */
    int create();

    /**
     * Free the given ID, for being re-used in future.
     */
    void destroy(int id);

private:
    std::set<int> ids;
    int previousId;
    bool simple;
};

} // namespace LinuxSampler

#endif // LS_IDGENERATOR_H
1	schoenebeck	2135	#ifndef LS_IDGENERATOR_H
2			#define LS_IDGENERATOR_H
3
4			#include <set>
5
6			namespace LinuxSampler {
7
8			/**
9			* Generates unique numerical IDs starting from zero.
10			*
11			* @e Note: this class is not exported to the C++ API of the sampler!
12			*/
13			class IDGenerator {
14			public:
15			/**
16			* Constructor.
17			*
18			* @param simpleAlgorithm - if false, all created IDs which are still in
19			* use will be remembered, if true then IDs are
20			* simply generated by incrementing an int variable
21			* by 1 until the whole int value range was used
22			*/
23			IDGenerator(bool simpleAlgorithm = false);
24
25			/**
26			* Returns new unique positive ID of at least zero, a negative number if
27			* no free ID could be generated.
28			*/
29			int create();
30
31			/**
32			* Free the given ID, for being re-used in future.
33			*/
34			void destroy(int id);
35
36			private:
37			std::set<int> ids;
38			int previousId;
39			bool simple;
40			};
41
42			} // namespace LinuxSampler
43
44			#endif // LS_IDGENERATOR_H