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Slight rework to nexrad data provider interface

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This commit is contained in:
AdenKoperczak 2025-03-27 11:20:01 -04:00
parent 4ddff43813
commit f0ef6b35dd
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GPG key ID: 9843017036F62EE7
4 changed files with 56 additions and 10 deletions
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4
wxdata/include/scwx/provider/aws_nexrad_data_provider.hpp
View file

@ -39,12 +39,16 @@ public:
std::string FindKey(std::chrono::system_clock::time_point time) override;
std::string FindLatestKey() override;
std::chrono::system_clock::time_point FindLatestTime() override;
std::vector<std::chrono::system_clock::time_point>
GetTimePointsByDate(std::chrono::system_clock::time_point date) override;
std::tuple<bool, size_t, size_t>
ListObjects(std::chrono::system_clock::time_point date) override;
std::shared_ptr<wsr88d::NexradFile>
LoadObjectByKey(const std::string& key) override;
std::shared_ptr<wsr88d::NexradFile>
LoadObjectByTime(std::chrono::system_clock::time_point time) override;
std::shared_ptr<wsr88d::NexradFile> LoadLatestObject() override;
std::pair<size_t, size_t> Refresh() override;
protected:

25
wxdata/include/scwx/provider/nexrad_data_provider.hpp
View file

@ -59,6 +59,13 @@ public:
*/
virtual std::string FindLatestKey() = 0;
/**
* Finds the most recent time in the cache.
*
* @return NEXRAD data key
*/
virtual std::chrono::system_clock::time_point FindLatestTime() = 0;
/**
* Lists NEXRAD objects for the date supplied, and adds them to the cache.
*
@ -81,6 +88,24 @@ public:
virtual std::shared_ptr<wsr88d::NexradFile>
LoadObjectByKey(const std::string& key) = 0;
/**
* Loads a NEXRAD file object at the given time
*
* @param time NEXRAD time
*
* @return NEXRAD data
*/
virtual std::shared_ptr<wsr88d::NexradFile>
LoadObjectByTime(std::chrono::system_clock::time_point time) = 0;
/**
* Loads the latest NEXRAD file object
*
* @return NEXRAD data
*/
virtual std::shared_ptr<wsr88d::NexradFile>
LoadLatestObject() = 0;
/**
* Lists NEXRAD objects for the current date, and adds them to the cache. If
* no objects have been added to the cache for the current date, the previous

24
wxdata/source/scwx/provider/aws_nexrad_data_provider.cpp
View file

@ -170,6 +170,11 @@ std::string AwsNexradDataProvider::FindLatestKey()
return key;
}
std::chrono::system_clock::time_point AwsNexradDataProvider::FindLatestTime()
{
return GetTimePointByKey(FindLatestKey());
}
std::vector<std::chrono::system_clock::time_point>
AwsNexradDataProvider::GetTimePointsByDate(
std::chrono::system_clock::time_point date)
@ -327,6 +332,25 @@ AwsNexradDataProvider::LoadObjectByKey(const std::string& key)
return nexradFile;
}
std::shared_ptr<wsr88d::NexradFile> AwsNexradDataProvider::LoadObjectByTime(
std::chrono::system_clock::time_point time)
{
const std::string key = FindKey(time);
if (key.empty())
{
return nullptr;
}
else
{
return LoadObjectByKey(key);
}
}
std::shared_ptr<wsr88d::NexradFile> AwsNexradDataProvider::LoadLatestObject()
{
return LoadObjectByKey(FindLatestKey());
}
std::pair<size_t, size_t> AwsNexradDataProvider::Refresh()
{
using namespace std::chrono;