/// <summary>
/// Gets kernel instance for specified kernel name. If kernel not recognized it returns default: <see cref="kernelTFcIDF"/>
/// </summary>
/// <param name="kernelName">Name of the kernel.</param>
/// <returns></returns>
public static ISimilarityKernel GetKernel(String kernelName)
{
if (registry.ContainsKey(kernelName))
{
ISimilarityKernel output = registry[kernelName].getInstance() as ISimilarityKernel;
return(output);
}
switch (kernelName)
{
default:
return(new kernelCSSRM());
break;
}
}
/// <summary>
/// Registers the specified kernel type
/// </summary>
/// <param name="kernelType">Type of the kernel.</param>
/// <exception cref="System.ArgumentException">
/// Kernel Type must have parameterless constructor! - kernelType
/// or
/// Kernel Type must implement ITermWeightKernel interface! - kernelType
/// </exception>
public static void RegisterKernel(Type kernelType)
{
if (!kernelType.hasParameterlessConstructor())
{
throw new ArgumentException("Kernel Type must have parameterless constructor!", nameof(kernelType));
}
ISimilarityKernel output = kernelType.getInstance() as ISimilarityKernel;
if (output == null)
{
throw new ArgumentException("Kernel Type must implement ITermWeightKernel interface!", nameof(kernelType));
}
if (!registry.ContainsKey(output.kernelName))
{
registry.Add(output.kernelName, kernelType);
}
}
