/// <summary>
/// Gets the parameter meta data.
/// </summary>
/// <param name="nodeKey">The node key.</param>
/// <param name="metaKey">The meta key.</param>
/// <returns></returns>
public static string GetParameterMetaData(string nodeKey, string metaKey, string vechileType)
{
if (vechileType == "PX4")
{
return(ParameterMetaDataRepositoryPX4.GetParameterMetaData(nodeKey, metaKey, vechileType));
}
else
{
return(ParameterMetaDataRepositoryAPM.GetParameterMetaData(nodeKey, metaKey, vechileType));
}
}
/// <summary>
/// Gets the parameter meta data.
/// </summary>
/// <param name="nodeKey">The node key.</param>
/// <param name="metaKey">The meta key.</param>
/// <returns></returns>
public static string GetParameterMetaData(string nodeKey, string metaKey, string vechileType)
{
lock (_cache)
{
var ans = _cache.Get(nodeKey + metaKey + vechileType) as string;
if (ans != null)
{
return(ans);
}
}
if (vechileType == "PX4")
{
return(ParameterMetaDataRepositoryPX4.GetParameterMetaData(nodeKey, metaKey, vechileType));
}
else
{
var answer = ParameterMetaDataRepositoryAPMpdef.GetParameterMetaData(nodeKey, metaKey, vechileType);
if (answer == string.Empty)
{
answer = ParameterMetaDataRepositoryAPMpdef.GetParameterMetaData(nodeKey, metaKey, "SITL");
}
if (answer == string.Empty)
{
answer = ParameterMetaDataRepositoryAPMpdef.GetParameterMetaData(nodeKey, metaKey, "AP_Periph");
}
// add fallback
if (answer == string.Empty)
{
answer = ParameterMetaDataRepositoryAPM.GetParameterMetaData(nodeKey, metaKey, vechileType);
}
if (answer == string.Empty)
{
return(String.Empty);
}
lock (_cache)
{
try
{
var ci = _cache.CreateEntry(nodeKey + metaKey + vechileType);
ci.Value = answer;
ci.Size = ((string)ci.Value).Length;
// evict after no access
ci.SlidingExpiration = TimeSpan.FromMinutes(5);
ci.Dispose();
} catch { }
}
return(answer);
}
}