// Bind a trigger argument to various parameter types.
// Handles either T or T[],
internal static ITriggerDataArgumentBinding <TTriggerValue> GetTriggerArgumentBinding <TMessage, TTriggerValue>(
ITriggerBindingStrategy <TMessage, TTriggerValue> bindingStrategy,
ParameterInfo parameter,
IConverterManager converterManager,
out bool singleDispatch)
{
ITriggerDataArgumentBinding <TTriggerValue> argumentBinding = null;
if (parameter.ParameterType.IsArray)
{
// dispatch the entire batch in a single call.
singleDispatch = false;
var elementType = parameter.ParameterType.GetElementType();
var innerArgumentBinding = GetTriggerArgumentElementBinding <TMessage, TTriggerValue>(elementType, bindingStrategy, converterManager);
argumentBinding = new ArrayTriggerArgumentBinding <TMessage, TTriggerValue>(bindingStrategy, innerArgumentBinding, converterManager);
return(argumentBinding);
}
else
{
// Dispatch each item one at a time
singleDispatch = true;
var elementType = parameter.ParameterType;
argumentBinding = GetTriggerArgumentElementBinding <TMessage, TTriggerValue>(elementType, bindingStrategy, converterManager);
return(argumentBinding);
}
}
// Bind a trigger argument to various parameter types.
// Handles either T or T[],
internal static ITriggerDataArgumentBinding <TTriggerValue> GetTriggerArgumentBinding <TMessage, TTriggerValue>(
ITriggerBindingStrategy <TMessage, TTriggerValue> bindingStrategy,
ParameterInfo parameter,
IConverterManager converterManager,
out bool singleDispatch)
{
ITriggerDataArgumentBinding <TTriggerValue> argumentBinding = null;
// If there's a direct binding from TMessage to the parameter's exact type; use that.
// This takes precedence over array bindings.
argumentBinding = GetDirectTriggerBinding <TMessage, TTriggerValue>(parameter.ParameterType, bindingStrategy, converterManager);
if (argumentBinding != null)
{
singleDispatch = true;
return(argumentBinding);
}
// Or array
if (parameter.ParameterType.IsArray)
{
// dispatch the entire batch in a single call.
singleDispatch = false;
var elementType = parameter.ParameterType.GetElementType();
var innerArgumentBinding = GetTriggerArgumentElementBinding <TMessage, TTriggerValue>(elementType, bindingStrategy, converterManager);
argumentBinding = new ArrayTriggerArgumentBinding <TMessage, TTriggerValue>(bindingStrategy, innerArgumentBinding, converterManager);
return(argumentBinding);
}
else
{
// Dispatch each item one at a time
singleDispatch = true;
var elementType = parameter.ParameterType;
argumentBinding = GetTriggerArgumentElementBinding <TMessage, TTriggerValue>(elementType, bindingStrategy, converterManager);
return(argumentBinding);
}
}
