sample_resize_trigger.hpp
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// -*- C++ -*-
// Copyright (C) 2005-2018 Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library. This library is free
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// of the GNU General Public License as published by the Free Software
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// version.
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// Copyright (C) 2004 Ami Tavory and Vladimir Dreizin, IBM-HRL.
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/**
* @file sample_resize_trigger.hpp
* Contains a sample resize trigger policy class.
*/
#ifndef PB_DS_SAMPLE_RESIZE_TRIGGER_HPP
#define PB_DS_SAMPLE_RESIZE_TRIGGER_HPP
namespace __gnu_pbds
{
/// A sample resize trigger policy.
class sample_resize_trigger
{
public:
/// Size type.
typedef std::size_t size_type;
/// Default constructor.
sample_resize_trigger();
/// Copy constructor.
sample_range_hashing(const sample_resize_trigger&);
/// Swaps content.
inline void
swap(sample_resize_trigger&);
protected:
/// Notifies a search started.
inline void
notify_insert_search_start();
/// Notifies a search encountered a collision.
inline void
notify_insert_search_collision();
/// Notifies a search ended.
inline void
notify_insert_search_end();
/// Notifies a search started.
inline void
notify_find_search_start();
/// Notifies a search encountered a collision.
inline void
notify_find_search_collision();
/// Notifies a search ended.
inline void
notify_find_search_end();
/// Notifies a search started.
inline void
notify_erase_search_start();
/// Notifies a search encountered a collision.
inline void
notify_erase_search_collision();
/// Notifies a search ended.
inline void
notify_erase_search_end();
/// Notifies an element was inserted. the total number of entries in
/// the table is num_entries.
inline void
notify_inserted(size_type num_entries);
/// Notifies an element was erased.
inline void
notify_erased(size_type num_entries);
/// Notifies the table was cleared.
void
notify_cleared();
/// Notifies the table was resized as a result of this object's
/// signifying that a resize is needed.
void
notify_resized(size_type new_size);
/// Notifies the table was resized externally.
void
notify_externally_resized(size_type new_size);
/// Queries whether a resize is needed.
inline bool
is_resize_needed() const;
/// Queries whether a grow is needed.
inline bool
is_grow_needed(size_type size, size_type num_entries) const;
private:
/// Resizes to new_size.
virtual void
do_resize(size_type);
};
}
#endif
__gnu_pbds::sample_resize_trigger::notify_inserted
void notify_inserted(size_type num_entries)
Notifies an element was inserted. the total number of entries in the table is num_entries.
__gnu_pbds::sample_resize_trigger::notify_cleared
void notify_cleared()
Notifies the table was cleared.
__gnu_pbds::sample_resize_trigger::notify_insert_search_collision
void notify_insert_search_collision()
Notifies a search encountered a collision.
__gnu_pbds::sample_resize_trigger::notify_externally_resized
void notify_externally_resized(size_type new_size)
Notifies the table was resized externally.
__gnu_pbds::sample_resize_trigger::notify_find_search_start
void notify_find_search_start()
Notifies a search started.
__gnu_pbds::sample_resize_trigger::notify_erase_search_collision
void notify_erase_search_collision()
Notifies a search encountered a collision.
__gnu_pbds::sample_resize_trigger::size_type
std::size_t size_type
Size type.
Definition: sample_resize_trigger.hpp:51
__gnu_pbds::sample_resize_trigger::notify_insert_search_start
void notify_insert_search_start()
Notifies a search started.
__gnu_pbds::sample_resize_trigger::notify_find_search_end
void notify_find_search_end()
Notifies a search ended.
__gnu_pbds::sample_resize_trigger::swap
void swap(sample_resize_trigger &)
Swaps content.
__gnu_pbds
GNU extensions for policy-based data structures for public use.
Definition: assoc_container.hpp:51
__gnu_pbds::sample_resize_trigger::notify_resized
void notify_resized(size_type new_size)
Notifies the table was resized as a result of this object&#39;s signifying that a resize is needed...
__gnu_pbds::sample_resize_trigger::is_grow_needed
bool is_grow_needed(size_type size, size_type num_entries) const
Queries whether a grow is needed.
__gnu_pbds::sample_resize_trigger::sample_resize_trigger
sample_resize_trigger()
Default constructor.
__gnu_pbds::sample_resize_trigger
A sample resize trigger policy.
Definition: sample_resize_trigger.hpp:47
__gnu_pbds::sample_resize_trigger::notify_erase_search_end
void notify_erase_search_end()
Notifies a search ended.
__gnu_pbds::sample_resize_trigger::is_resize_needed
bool is_resize_needed() const
Queries whether a resize is needed.
__gnu_pbds::sample_resize_trigger::notify_erase_search_start
void notify_erase_search_start()
Notifies a search started.
__gnu_pbds::sample_resize_trigger::notify_erased
void notify_erased(size_type num_entries)
Notifies an element was erased.
__gnu_pbds::sample_resize_trigger::notify_find_search_collision
void notify_find_search_collision()
Notifies a search encountered a collision.
__gnu_pbds::sample_resize_trigger::sample_range_hashing
sample_range_hashing(const sample_resize_trigger &)
Copy constructor.
__gnu_pbds::sample_resize_trigger::notify_insert_search_end
void notify_insert_search_end()
Notifies a search ended.