public TBehavior GetBehavior <TBehavior>(BehaviorKey withKey) where TBehavior : IBehavior
{
Check.NotNull(withKey, nameof(withKey));
Check.Requires <InvalidOperationException>(Contains(withKey));
RequireNotSealed();
BehaviorChainItemConfiguration item = GetItem(withKey);
return((TBehavior)item.Instance);
}
/// <summary>
/// Adds a disabled behavior configuration to the top of the chain.
/// </summary>
internal void Prepend(BehaviorKey key, IBehavior instance)
{
Check.NotNull(key, nameof(key));
Check.NotNull(instance, nameof(instance));
RequireNotSealed();
var item = new BehaviorChainItemConfiguration(key)
{
Instance = instance
};
_items.Insert(0, item);
}
/// <summary>
/// Calls the '<paramref name="configurationAction"/>' with the behavior
/// specified by '<paramref name="key"/>' that will be inserted in the
/// behavior chain. This method implicitly calls <see
/// cref="Enable"/>.
/// </summary>
/// <typeparam name="T">
/// The type of the behavior to configure. This may be the concrete type
/// of the behavior or a base type/interface.
/// </typeparam>
public void ConfigureBehavior <T>(
BehaviorKey key,
Action <T> configurationAction
) where T : IBehavior
{
Check.NotNull(key, nameof(key));
Check.Requires <InvalidOperationException>(Contains(key));
Check.NotNull(configurationAction, nameof(configurationAction));
RequireNotSealed();
BehaviorChainItemConfiguration item = GetItem(key);
Enable(key);
T behavior = (T)item.Instance;
configurationAction(behavior);
}
