#include "gc/shared/oopStorage.hpp"

#include "gc/shared/oopStorageParState.hpp"

#include "memory/allocation.hpp"

#include "utilities/concurrentHashTable.hpp"

class ResolvedMethodTable;

class ResolvedMethodTableConfig;

typedef ConcurrentHashTable<WeakHandle<vm_resolved_method_table_data>, ResolvedMethodTableConfig, mtClass> ResolvedMethodTableHash;

class ResolvedMethodTable : public AllStatic {

  static ResolvedMethodTableHash* _local_table;

  static size_t                   _current_size;

  static OopStorage*              _weak_handles;

  static volatile bool            _has_work;

  static volatile size_t          _items_count;

  static volatile size_t          _uncleaned_items_count;

  // Initialization

  static void create_table();

  static size_t table_size();

  // Lookup and inserts

  static oop find_method(const Method* method);

  static oop add_method(const Method* method, Handle rmethod_name);

  // Callbacks

  static void item_added();

  static void item_removed();

  // Cleaning

  static bool has_work();

  // GC Support - Backing storage for the oop*s

  static OopStorage* weak_storage();

  // Cleaning and table management

  static double get_load_factor();

  static double get_dead_factor();

  static void check_concurrent_work();

  static void trigger_concurrent_work();

  static void do_concurrent_work(JavaThread* jt);

  static void grow(JavaThread* jt);

  static void clean_dead_entries(JavaThread* jt);

  // GC Notification

  // Must be called before a parallel walk where objects might die.

  static void reset_dead_counter();

  // After the parallel walk this method must be called to trigger

  // cleaning. Note it might trigger a resize instead.

  static void finish_dead_counter();

  // If GC uses ParState directly it should add the number of cleared

  // entries to this method.

  static void inc_dead_counter(size_t ndead);

  // JVMTI Support - It is called at safepoint only for RedefineClasses

  JVMTI_ONLY(static void adjust_method_entries(bool * trace_name_printed);)

  // Debugging

  static size_t items_count();

  static size_t verify_and_compare_entries();