19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20  * or visit www.oracle.com if you need additional information or have any
21  * questions.
22  *
23  */
24 
25 #ifndef SHARE_GC_SHENANDOAH_HEURISTICS_SHENANDOAHSPACEINFO_HPP
26 #define SHARE_GC_SHENANDOAH_HEURISTICS_SHENANDOAHSPACEINFO_HPP
27 
28 #include "utilities/globalDefinitions.hpp"
29 
30 /*
31  * The purpose of this interface is to decouple the heuristics from a
32  * direct dependency on the ShenandoahHeap singleton instance. This is
33  * done to facilitate future unit testing of the heuristics and to support
34  * future operational modes of Shenandoah in which the heap may be split
35  * into generations.
36  */
37 class ShenandoahSpaceInfo {
38 public:

39   virtual size_t soft_max_capacity() const = 0;
40   virtual size_t max_capacity() const = 0;

41   virtual size_t available() const = 0;

42   virtual size_t bytes_allocated_since_gc_start() const = 0;
43 };
44 
45 #endif //SHARE_GC_SHENANDOAH_HEURISTICS_SHENANDOAHSPACEINFO_HPP

19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20  * or visit www.oracle.com if you need additional information or have any
21  * questions.
22  *
23  */
24 
25 #ifndef SHARE_GC_SHENANDOAH_HEURISTICS_SHENANDOAHSPACEINFO_HPP
26 #define SHARE_GC_SHENANDOAH_HEURISTICS_SHENANDOAHSPACEINFO_HPP
27 
28 #include "utilities/globalDefinitions.hpp"
29 
30 /*
31  * The purpose of this interface is to decouple the heuristics from a
32  * direct dependency on the ShenandoahHeap singleton instance. This is
33  * done to facilitate future unit testing of the heuristics and to support
34  * future operational modes of Shenandoah in which the heap may be split
35  * into generations.
36  */
37 class ShenandoahSpaceInfo {
38 public:
39   virtual const char* name() const = 0;
40   virtual size_t soft_max_capacity() const = 0;
41   virtual size_t max_capacity() const = 0;
42   virtual size_t soft_available() const = 0;
43   virtual size_t available() const = 0;
44   virtual size_t used() const = 0;
45   virtual size_t bytes_allocated_since_gc_start() const = 0;
46 };
47 
48 #endif //SHARE_GC_SHENANDOAH_HEURISTICS_SHENANDOAHSPACEINFO_HPP