internal bool Dispatch(
CallbackPolicy policy, object target, object callback,
bool greedy, IHandler composer, Func <object, bool> results = null)
{
if (policy == null)
{
throw new ArgumentNullException(nameof(policy));
}
PolicyMethods methods = null;
if (_methods?.TryGetValue(policy, out methods) != true)
{
return(false);
}
var dispatched = false;
var indexes = methods.Keys;
var keys = indexes == null ? null
: policy.SelectKeys(callback, indexes);
foreach (var method in methods.GetMethods(keys))
{
dispatched = method.Dispatch(target, callback,
composer, results) || dispatched;
if (dispatched && !greedy)
{
return(true);
}
}
return(dispatched);
}
public PolicyMethodBinding(MethodRule rule,
MethodDispatch dispatch,
DefinitionAttribute attribute,
CallbackPolicy policy)
: base(dispatch)
{
if (rule == null)
{
throw new ArgumentNullException(nameof(rule));
}
if (dispatch == null)
{
throw new ArgumentNullException(nameof(dispatch));
}
Rule = rule;
Attribute = attribute;
Policy = policy;
}
