/// <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)
{
if (obj == null || sample == null)
{
throw new ArgumentException("Missing or invalid argument: " + (obj == null ? "obj" : "sample"));
}
SourceInfo sourceInfo = SourceInfo.CreateFromType(sample.GetType());
// check to see if we already have a map for best match
MethodMap map = mapCache.Get(sourceInfo);
object[] values = sourceInfo.GetParameterValues(sample);
if (map == null)
{
string[] names = sourceInfo.ParamNames;
Type[] types = sourceInfo.ParamTypes;
if (names.Length != values.Length || names.Length != types.Length)
{
throw new ArgumentException("Mismatching name, type and value arrays (must be of identical length).");
}
map = MapFactory.DetermineBestMethodMatch(methodPool, mustUseAllParameters, names, types, values);
mapCache.Insert(sourceInfo, map);
}
bool isStatic = obj is Type;
return(isStatic ? map.Invoke(values) : map.Invoke(obj, values));
}
/// <summary>
/// Obtains a list of all methods with the given <paramref name="methodName"/> on the given
/// <paramref name="obj" />, and invokes the best match for the parameters obtained from the
/// public properties of the supplied <paramref name="sample"/> object.
/// TryCallMethod is very liberal and attempts to convert values that are not otherwise
/// considered compatible, such as between strings and enums or numbers, Guids and byte[16], etc.
/// </summary>
/// <returns>The result of the invocation.</returns>
public static object TryCallMethod( this object obj, string methodName, bool mustUseAllParameters, object sample )
{
Type sourceType = sample.GetType();
var sourceInfo = new SourceInfo( sourceType );
var paramValues = sourceInfo.GetParameterValues( sample );
return obj.TryCallMethod( methodName, mustUseAllParameters, sourceInfo.ParamNames, sourceInfo.ParamTypes, paramValues );
}
/// <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="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));
}
