dncurrency/nano/store/pruned.hpp

35 lines
1.3 KiB
C++

#pragma once
#include <nano/lib/numbers.hpp>
#include <nano/store/component.hpp>
#include <nano/store/typed_iterator.hpp>
#include <functional>
namespace nano
{
class block_hash;
}
namespace nano::store
{
/**
* Manages pruned storage and iteration
*/
class pruned
{
public:
using iterator = typed_iterator<nano::block_hash, std::nullptr_t>;
public:
virtual void put (store::write_transaction const & transaction_a, nano::block_hash const & hash_a) = 0;
virtual void del (store::write_transaction const & transaction_a, nano::block_hash const & hash_a) = 0;
virtual bool exists (store::transaction const & transaction_a, nano::block_hash const & hash_a) const = 0;
virtual nano::block_hash random (store::transaction const & transaction_a) = 0;
virtual size_t count (store::transaction const & transaction_a) const = 0;
virtual void clear (store::write_transaction const &) = 0;
virtual iterator begin (store::transaction const & transaction_a, nano::block_hash const & hash_a) const = 0;
virtual iterator begin (store::transaction const & transaction_a) const = 0;
virtual iterator end (store::transaction const & transaction_a) const = 0;
virtual void for_each_par (std::function<void (store::read_transaction const &, iterator, iterator)> const & action_a) const = 0;
};
} // namespace nano::store