public void HandleEvent()
{
var task = Task.Run(async() =>
{
try
{
var kvStore = await _configurationStore.GetAllAsync();
if (kvStore == null || kvStore.Count == 0)
{
return;
}
LocalConfigurationRepository.ReplaceAll(new ConcurrentDictionary <string, string>(kvStore));
}
catch (Exception ex)
{
Platform.Common.ExceptionPolicy.HandleException(ex, Constants.DefaultPolicy);
}
});
task.ContinueWith(t =>
{
//raise an event on successful completion of above task.
if (t.IsFaulted == false && t.IsCompleted)
{
_applicationEventBus.Notify(GetCacheRefreshedEvent());
}
});
}
private string GetFromRemote(string scope, string application, string section, string key)
{
var value = _remoteConfigurationStore.Get(scope, application, section, key);
var cacheKey = KeyMaker.ConstructKey(scope, application, section, key);
LocalConfigurationRepository.Update(cacheKey, value);
return(value);
}
public async Task <string> GetAsync(string scope, string application, string section, string key)
{
var cacheKey = KeyMaker.ConstructKey(scope, application, section, key);
var result = LocalConfigurationRepository.IsKeyPresent(cacheKey)
? await GetFromLocalAsync(cacheKey)
: await GetFromRemoteAsync(scope, application, section, key);
return(result);
}
public string Get(string scope, string application, string section, string key)
{
var cacheKey = KeyMaker.ConstructKey(scope, application, section, key);
var result = LocalConfigurationRepository.IsKeyPresent(cacheKey)
? LocalConfigurationRepository.Get(cacheKey)
: GetFromRemote(scope, application, section, key);
return(result);
}
public string Get(string scope, string application, string section, string key)
{
using (new ProfileContext("CachedConfigurationStore.Get"))
{
var cacheKey = KeyMaker.ConstructKey(scope, application, section, key);
Profiling.Trace($"Key: {key}");
var result = LocalConfigurationRepository.IsKeyPresent(cacheKey)
? LocalConfigurationRepository.Get(cacheKey)
: GetFromRemote(scope, application, section, key);
return(result);
}
}
private Task <string> GetFromLocalAsync(string key)
{
string value = LocalConfigurationRepository.Get(key);
return(Task.FromResult <string>(value));
}
