/// <summary>
/// Invoke the best available match for the supplied parameters.
/// If no method can be called using the supplied parameters, an exception is thrown.
/// </summary>
/// <param name="obj">The object on which to invoke a method.</param>
/// <param name="mustUseAllParameters">Specifies whether all supplied parameters must be used in the
/// invocation. Unless you know what you are doing you should pass true for this parameter.</param>
/// <param name="sample">The object whose public properties will be used as parameters.</param>
/// <returns>The return value of the invocation.</returns>
public object Invoke(object obj, bool mustUseAllParameters, object sample)
{
Type sourceType = sample.GetType();
var sourceInfo = new SourceInfo(sourceType);
bool isStatic = obj is Type;
string[] names = sourceInfo.ParamNames;
Type[] types = sourceInfo.ParamTypes;
object[] values = sourceInfo.GetParameterValues(sample);
if (names.Length != values.Length || names.Length != types.Length)
{
throw new ArgumentException("Mismatching name, type and value arrays (must be of identical length).");
}
MethodMap map = MapFactory.DetermineBestMethodMatch(methodPool, mustUseAllParameters, names, types, values);
return(isStatic ? map.Invoke(values) : map.Invoke(obj, values));
}
/// <summary>
/// Invoke the best available match for the supplied parameters.
/// If no method can be called using the supplied parameters, an exception is thrown.
/// </summary>
/// <param name="obj">The object on which to invoke a method.</param>
/// <param name="mustUseAllParameters">Specifies whether all supplied parameters must be used in the
/// invocation. Unless you know what you are doing you should pass true for this parameter.</param>
/// <param name="parameters">A dictionary of parameter name/value pairs.</param>
/// <returns>The return value of the invocation.</returns>
public object Invoke(object obj, bool mustUseAllParameters, Dictionary <string, object> parameters)
{
if (obj == null || parameters == null)
{
throw new ArgumentException("Missing or invalid argument: " + (obj == null ? "obj" : "parameters"));
}
string[] names = parameters.Keys.ToArray() ?? Constants.EmptyStringArray;
object[] values = parameters.Values.ToArray() ?? Constants.EmptyObjectArray;
Type[] types = values.ToTypeArray() ?? Type.EmptyTypes;
bool isStatic = obj is Type;
Type type = isStatic ? obj as Type : obj.GetType();
SourceInfo sourceInfo = new SourceInfo(type, names, types);
// check to see if we already have a map for best match
MethodMap map = mapCache.Get(sourceInfo);
if (map == null)
{
map = MapFactory.DetermineBestMethodMatch(methodPool, mustUseAllParameters, names, types, values);
mapCache.Insert(sourceInfo, map);
}
return(isStatic ? map.Invoke(values) : map.Invoke(obj, values));
}
