/// <summary>
/// Get component object for a service specified.
/// </summary>
/// <param name="serviceId">Service ID</param>
/// <returns>Overriding component object for the service</returns>
public IComponent GetOverridingComponent(Guid serviceId)
{
lock (ServiceOverrideLock) {
IComponent result;
OverriddenServiceMap.TryGetValue(serviceId, out result);
return(result);
}
}
/// <summary>
/// Clear a service override of the service specified.
/// </summary>
/// <param name="serviceId">Service ID that service override to be cleard.</param>
public void ClearServiceOverride(Guid serviceId)
{
lock (ServiceOverrideLock) {
if (OverriddenServiceMap.Remove(serviceId))
{
ServiceOverrideCleard?.Invoke(this, serviceId);
}
}
}
/// <summary>
/// Clear all service overrides.
/// </summary>
public void ClearServiceOverrides()
{
lock (ServiceOverrideLock) {
var serviceIds = OverriddenServiceMap.Keys;
OverriddenServiceMap.Clear();
foreach (var serviceId in serviceIds)
{
ServiceOverrideCleard?.Invoke(this, serviceId);
}
}
}
/// <summary>
/// Override some service by a component specified.
/// </summary>
/// <param name="serviceId">Id of the service to be overridden.</param>
/// <param name="component">Component</param>
public void OverrideService(Guid serviceId, IComponent component)
{
if (component == null)
{
throw new ArgumentNullException(nameof(component));
}
lock (ServiceOverrideLock) {
IComponent oldValue;
var isChanged = OverriddenServiceMap.TryGetValue(serviceId, out oldValue)
? oldValue == component
: true;
if (isChanged)
{
OverriddenServiceMap[serviceId] = component;
ServiceOverrided?.Invoke(this, serviceId);
}
}
}
