public object Provide(object context)
{
object o = GetCodeObject();
Type t = o.GetType();
MethodInfo mi = t.GetMethod(CodeMethodName);
NameValueContext varContext = new NameValueContext();
foreach (VariableDescriptor varDescr in Variables)
{
object varValue = varDescr.VarProvider.Provide(context);
if (varValue != null && !varDescr.VarType.IsInstanceOfType(varValue))
{
ITypeConverter cnv = ConvertManager.FindConverter(varValue.GetType(), varDescr.VarType);
if (cnv != null)
{
varValue = cnv.Convert(varValue, varDescr.VarType);
}
else
{
throw new InvalidCastException(
String.Format("Context variable {0} cannot be cast to expected type {1}",
varDescr.Name, varDescr.VarType));
}
}
varContext[varDescr.Name] = varValue;
}
object s = mi.Invoke(o, new object[] { varContext });
return(s);
}
protected override object ConvertTo(object o, Type toType)
{
// optimization: do not use type conversion mechanizm for conversions between primitive types
//if (o!=null && o.GetType().IsPrimitive && toType.IsPrimitive) {
if (Converter != null && o != null && Converter.CanConvert(o.GetType(), toType))
{
return(Converter.Convert(o, toType));
}
if (o != null)
{
ITypeConverter cnv = ConvertManager.FindConverter(o.GetType(), toType);
if (cnv != null)
{
return(cnv.Convert(o, toType));
}
}
else
{
if (!toType.IsValueType)
{
return(null);
}
}
//}
return(base.ConvertTo(o, toType));
}
public static bool AreEqual(object o1, object o2)
{
if (o1 == null && o2 == null)
{
return(true);
}
if (o1 != null)
{
var o1EqRes = o1.Equals(o2);
// if Equals returns false try to convert o2 to o1 type
if (!o1EqRes && o2 != null)
{
var o2Conv = ConvertManager.FindConverter(o2.GetType(), o1.GetType());
if (o2Conv != null)
{
return(o1.Equals(o2Conv.Convert(o2, o1.GetType())));
}
}
return(o1EqRes);
}
if (o2 != null)
{
return(o2.Equals(o1));
}
return(false);
}
public R Provide(C context)
{
object prvContext = context;
// lets try to convert context to IDictionary b/c this is preferred context in NIC.NET
if (prvContext != null)
{
var cnv = ConvertManager.FindConverter(prvContext.GetType(), typeof(IDictionary));
if (cnv != null)
{
prvContext = cnv.Convert(prvContext, typeof(IDictionary));
}
}
object res = UnderlyingProvider.GetObject(prvContext);
if (!(res is R) && res != null)
{
return(ConvertManager.ChangeType <R>(res));
}
else
{
return((R)((object)res));
}
}
protected bool TryExecuteWithoutContext(object service, ActionContext context)
{
var opConv = ConvertManager.FindConverter(service.GetType(), typeof(Action));
if (opConv != null)
{
var opInstance = (Action)opConv.Convert(service, typeof(Action));
log.Write(LogEvent.Info, "Executing action (thread={0}, service={1})", Context.ThreadIndex, ServiceName);
opInstance();
return(true);
}
else
{
return(false);
}
}
/// <summary>
/// Composes URL from named route using given object's properties as context.
/// </summary>
public static string GetRouteUrl(string routeName, object context)
{
IDictionary <string, object> routeContext = null;
if (context != null)
{
var conv = ConvertManager.FindConverter(context.GetType(), typeof(IDictionary <string, object>));
if (conv != null)
{
routeContext = conv.Convert(context, typeof(IDictionary <string, object>)) as IDictionary <string, object>;
}
else
{
routeContext = new ObjectDictionaryWrapper(context);
}
}
return(GetRouteUrl(routeName, routeContext));
}
public void Execute(C context)
{
IDictionary contextDict = context as IDictionary;
if (contextDict == null && context != null)
{
ITypeConverter conv = ConvertManager.FindConverter(context.GetType(), typeof(IDictionary));
if (conv != null)
{
contextDict = conv.Convert(context, typeof(IDictionary)) as IDictionary;
}
}
if (contextDict == null)
{
contextDict = new Hashtable();
contextDict[DefaultContextKey] = context;
}
UnderlyingOperation.Execute(contextDict);
}
protected void ExecuteService()
{
log.Write(LogEvent.Info, "Started (thread={0}, service={1}, iteration={2}/{3})", Context.ThreadIndex, ServiceName, Iteration + 1, IterationsCount);
var service = ServicePrv.GetObject(ServiceName);
if (service == null)
{
log.Write(LogEvent.Error, "Service does not exist (thread={0}, service={1})", Context.ThreadIndex, ServiceName, ServiceName);
}
else
{
// try get IOperation instance
var opConv = ConvertManager.FindConverter(service.GetType(), typeof(IOperation <RunnerContext>));
if (opConv != null)
{
var opInstance = (IOperation <RunnerContext>)opConv.Convert(service, typeof(IOperation <RunnerContext>));
log.Write(LogEvent.Info, "Executing operation (thread={0}, service={1})", Context.ThreadIndex, ServiceName);
opInstance.Execute(Context);
}
else
{
// try get IProvider instance
var prvConv = ConvertManager.FindConverter(service.GetType(), typeof(IProvider <RunnerContext, object>));
if (prvConv != null)
{
var prvInstance = (IProvider <RunnerContext, object>)prvConv.Convert(service, typeof(IProvider <RunnerContext, object>));
log.Write(LogEvent.Info, "Executing provider (thread={0}, service={1})", Context.ThreadIndex, ServiceName);
var res = prvInstance.Provide(Context);
log.Write(LogEvent.Info, "Provider result: {2} (thread={0}, service={1})", Context.ThreadIndex, ServiceName, res ?? "NULL");
}
else
{
// don't know how to execute
log.Write(LogEvent.Warn, "Unkown service type: nothing to call (thread={0}, service={1})", Context.ThreadIndex, ServiceName);
}
}
}
log.Write(LogEvent.Info, "Finished (thread={0}, service={1}, iteration={2}/{3}, duration={4})",
Context.ThreadIndex, ServiceName, Iteration + 1, IterationsCount, DateTime.Now.Subtract(StartTime.Value));
}
internal static bool AreEqual(object o1, object o2)
{
if ((o1 == null && o2 == null) || (DBNull.Value.Equals(o1) && DBNull.Value.Equals(o2)))
{
return(true);
}
if (o1 != null)
{
var o1EqRes = o1.Equals(o2);
if (!o1EqRes && o2 != null)
{
var o2Conv = ConvertManager.FindConverter(o2.GetType(), o1.GetType());
if (o2Conv != null)
{
return(o1.Equals(o2Conv.Convert(o2, o1.GetType())));
}
}
return(o1EqRes);
}
return(o2 != null?o2.Equals(o1) : false);
}
protected object[] PrepareActualValues(ParameterInfo[] paramsInfo, object[] values)
{
object[] res = new object[paramsInfo.Length];
for (int i = 0; i < paramsInfo.Length; i++)
{
if (values[i] == null || paramsInfo[i].ParameterType.IsInstanceOfType(values[i]))
{
res[i] = values[i];
continue;
}
var conv = ConvertManager.FindConverter(values[i].GetType(), paramsInfo[i].ParameterType);
if (conv != null)
{
res[i] = conv.Convert(values[i], paramsInfo[i].ParameterType);
continue;
}
throw new InvalidCastException(
String.Format("Invoke method '{0}': cannot convert argument #{1} from {2} to {3}",
MethodName, i, values[i].GetType(), paramsInfo[i].ParameterType));
}
return(res);
}
protected object[] PrepareActualValues(ParameterInfo[] paramsInfo, object[] values)
{
object[] res = new object[paramsInfo.Length];
for (int i = 0; i < paramsInfo.Length; i++)
{
if (values[i] == null || paramsInfo[i].ParameterType.IsInstanceOfType(values[i]))
{
res[i] = values[i];
continue;
}
var conv = ConvertManager.FindConverter(values[i].GetType(), paramsInfo[i].ParameterType);
if (conv != null)
{
res[i] = conv.Convert(values[i], paramsInfo[i].ParameterType);
continue;
}
// cannot cast?
log.Write(LogEvent.Error,
new { Action = "Converting args", Msg = "cannot cast", FromType = values[i].GetType(), ToType = paramsInfo[i].ParameterType });
throw new InvalidCastException();
}
return(res);
}
protected override object ConvertTo(object o, Type toType)
{
if (toType == null || toType == typeof(object))
{
return(o);
}
if (o != null)
{
ITypeConverter cnv = ConvertManager.FindConverter(o.GetType(), toType);
if (cnv != null)
{
return(cnv.Convert(o, toType));
}
}
else
{
if (!toType.IsValueType)
{
return(null);
}
}
return(base.ConvertTo(o, toType));
}
public static decimal Sum(object o)
{
if (o is IEnumerable)
{
}
else
{
o = new object[] { o };
}
decimal sum = 0;
foreach (var elem in (IEnumerable)o)
{
if (elem != null)
{
var conv = ConvertManager.FindConverter(elem.GetType(), typeof(decimal));
if (conv != null)
{
sum += (decimal)conv.Convert(elem, typeof(decimal));
}
}
}
return(sum);
}
public void TypeConverterStaticMethodsTest()
{
ITypeConverter cnv = ConvertManager.FindConverter(typeof(Hashtable), typeof(IDictionary <string, object>));
Assert.AreEqual(true, cnv != null);
}
public int Compare(object a, object b)
{
if (a == null && b == null)
{
return(0);
}
if (a == null && b != null)
{
return(-1);
}
if (a != null && b == null)
{
return(1);
}
if ((a is IList) && (b is IList))
{
IList aList = (IList)a;
IList bList = (IList)b;
if (aList.Count < bList.Count)
{
return(-1);
}
if (aList.Count > bList.Count)
{
return(+1);
}
for (int i = 0; i < aList.Count; i++)
{
int r = Compare(aList[i], bList[i]);
if (r != 0)
{
return(r);
}
}
// lists are equal
return(0);
}
// test for quick compare if a type is assignable from b
if (a is IComparable)
{
var aComp = (IComparable)a;
// quick compare if types are fully compatible
if (a.GetType().IsAssignableFrom(b.GetType()))
{
return(aComp.CompareTo(b));
}
}
if (b is IComparable)
{
var bComp = (IComparable)b;
// quick compare if types are fully compatible
if (b.GetType().IsAssignableFrom(a.GetType()))
{
return(-bComp.CompareTo(a));
}
}
// try to convert b to a and then compare
if (a is IComparable)
{
var aComp = (IComparable)a;
var conv = ConvertManager.FindConverter(b.GetType(), a.GetType());
if (conv != null)
{
var bConverted = conv.Convert(b, a.GetType());
return(aComp.CompareTo(bConverted));
}
}
// try to convert a to b and then compare
if (b is IComparable)
{
var bComp = (IComparable)b;
var conv = ConvertManager.FindConverter(a.GetType(), b.GetType());
// try to compare without any conversions
if (conv != null)
{
var aConverted = conv.Convert(a, b.GetType());
return(-bComp.CompareTo(aConverted));
}
}
throw new InvalidCastException(String.Format("Cannot compare {0} and {1}", a.GetType(), b.GetType()));
}
