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Severs the DiskImage implementation from its public header file.

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Thomas Harte
2017-09-22 22:46:31 -04:00
parent 698e4fe550
commit d72dad2d1a
3 changed files with 59 additions and 50 deletions
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50
Storage/Disk/DiskImage/DiskImageImplementation.hpp Normal file
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@@ -0,0 +1,50 @@
//
// DiskImageImplementation.hpp
// Clock Signal
//
// Created by Thomas Harte on 22/09/2017.
// Copyright © 2017 Thomas Harte. All rights reserved.
//
template <typename T> unsigned int DiskImageHolder<T>::get_head_position_count() {
return disk_image_.get_head_position_count();
}
template <typename T> unsigned int DiskImageHolder<T>::get_head_count() {
return disk_image_.get_head_count();
}
template <typename T> bool DiskImageHolder<T>::get_is_read_only() {
return disk_image_.get_is_read_only();
}
template <typename T> void DiskImageHolder<T>::set_track_at_position(unsigned int head, unsigned int position, const std::shared_ptr<Track> &track) {
if(disk_image_.get_is_read_only()) return;
int address = get_id_for_track_at_position(head, position);
cached_tracks_[address] = track;
if(!update_queue_) update_queue_.reset(new Concurrency::AsyncTaskQueue);
std::shared_ptr<Track> track_copy(track->clone());
update_queue_->enqueue([this, head, position, track_copy] {
disk_image_.set_track_at_position(head, position, track_copy);
});
}
template <typename T> std::shared_ptr<Track> DiskImageHolder<T>::get_track_at_position(unsigned int head, unsigned int position) {
if(head >= get_head_count()) return nullptr;
if(position >= get_head_position_count()) return nullptr;
int address = get_id_for_track_at_position(head, position);
std::map<int, std::shared_ptr<Track>>::iterator cached_track = cached_tracks_.find(address);
if(cached_track != cached_tracks_.end()) return cached_track->second;
std::shared_ptr<Track> track = disk_image_.get_track_at_position(head, position);
if(!track) return nullptr;
cached_tracks_[address] = track;
return track;
}
template <typename T> DiskImageHolder<T>::~DiskImageHolder() {
if(update_queue_) update_queue_->flush();
}