本文整理匯總了C#中System.Workflow.Activities.Rules.RuleValidation.ResolveConstructor方法的典型用法代碼示例。如果您正苦於以下問題：C# RuleValidation.ResolveConstructor方法的具體用法？C# RuleValidation.ResolveConstructor怎麽用？C# RuleValidation.ResolveConstructor使用的例子？那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類System.Workflow.Activities.Rules.RuleValidation的用法示例。
在下文中一共展示了RuleValidation.ResolveConstructor方法的2個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的C#代碼示例。
示例1: Validate
internal override RuleExpressionInfo Validate(CodeExpression expression, RuleValidation validation, bool isWritten)
{
string message;
ValidationError error;
CodeObjectCreateExpression createExpression = (CodeObjectCreateExpression)expression;
if (isWritten)
{
message = string.Format(CultureInfo.CurrentCulture, Messages.CannotWriteToExpression, typeof(CodeObjectCreateExpression).ToString());
error = new ValidationError(message, ErrorNumbers.Error_InvalidAssignTarget);
error.UserData[RuleUserDataKeys.ErrorObject] = createExpression;
validation.Errors.Add(error);
return null;
}
if (createExpression.CreateType == null)
{
error = new ValidationError(Messages.NullTypeType, ErrorNumbers.Error_ParameterNotSet);
error.UserData[RuleUserDataKeys.ErrorObject] = createExpression;
validation.Errors.Add(error);
return null;
}
Type resultType = validation.ResolveType(createExpression.CreateType);
if (resultType == null)
return null;
// look up parameters
List<CodeExpression> parameters = new List<CodeExpression>();
try
{
// Early exit from this if a cycle is detected.
if (!validation.PushParentExpression(createExpression))
return null;
bool hasInvalidArgument = false;
for (int i = 0; i < createExpression.Parameters.Count; ++i)
{
CodeExpression parameter = createExpression.Parameters[i];
if (parameter == null)
{
message = string.Format(CultureInfo.CurrentCulture, Messages.NullConstructorParameter, i.ToString(CultureInfo.CurrentCulture), RuleDecompiler.DecompileType(resultType));
error = new ValidationError(message, ErrorNumbers.Error_ParameterNotSet);
error.UserData[RuleUserDataKeys.ErrorObject] = createExpression;
validation.Errors.Add(error);
hasInvalidArgument = true;
}
else
{
RuleExpressionInfo parameterInfo = RuleExpressionWalker.Validate(validation, parameter, false);
if (parameterInfo == null)
hasInvalidArgument = true;
parameters.Add(parameter);
}
}
// quit if parameters not valid
if (hasInvalidArgument)
return null;
}
finally
{
validation.PopParentExpression();
}
// see if we can find the matching constructor
BindingFlags bindingFlags = BindingFlags.Public | BindingFlags.Instance;
if (validation.AllowInternalMembers(resultType))
bindingFlags |= BindingFlags.NonPublic;
// creating a value-type object with no parameters can always be done
if ((resultType.IsValueType) && (parameters.Count == 0))
return new RuleExpressionInfo(resultType);
// error if type is an abstract type
if (resultType.IsAbstract)
{
message = string.Format(CultureInfo.CurrentCulture, Messages.UnknownConstructor, RuleDecompiler.DecompileType(resultType));
error = new ValidationError(message, ErrorNumbers.Error_MethodNotExists);
error.UserData[RuleUserDataKeys.ErrorObject] = createExpression;
validation.Errors.Add(error);
return null;
}
RuleConstructorExpressionInfo constructorInvokeInfo = validation.ResolveConstructor(resultType, bindingFlags, parameters, out error);
if (constructorInvokeInfo == null)
{
message = string.Format(CultureInfo.CurrentCulture, Messages.UnknownConstructor, RuleDecompiler.DecompileType(resultType));
error = new ValidationError(message, ErrorNumbers.Error_MethodNotExists);
error.UserData[RuleUserDataKeys.ErrorObject] = createExpression;
validation.Errors.Add(error);
return null;
}
return constructorInvokeInfo;
}示例2: Validate
internal override RuleExpressionInfo Validate(CodeExpression expression, RuleValidation validation, bool isWritten)
{
ValidationError error;
CodeObjectCreateExpression newParent = (CodeObjectCreateExpression) expression;
if (isWritten)
{
error = new ValidationError(string.Format(CultureInfo.CurrentCulture, Messages.CannotWriteToExpression, new object[] { typeof(CodeObjectCreateExpression).ToString() }), 0x17a);
error.UserData["ErrorObject"] = newParent;
validation.Errors.Add(error);
return null;
}
if (newParent.CreateType == null)
{
error = new ValidationError(Messages.NullTypeType, 0x53d);
error.UserData["ErrorObject"] = newParent;
validation.Errors.Add(error);
return null;
}
Type type = validation.ResolveType(newParent.CreateType);
if (type == null)
{
return null;
}
List<CodeExpression> argumentExprs = new List<CodeExpression>();
try
{
if (!validation.PushParentExpression(newParent))
{
return null;
}
bool flag = false;
for (int i = 0; i < newParent.Parameters.Count; i++)
{
CodeExpression expression3 = newParent.Parameters[i];
if (expression3 == null)
{
error = new ValidationError(string.Format(CultureInfo.CurrentCulture, Messages.NullConstructorParameter, new object[] { i.ToString(CultureInfo.CurrentCulture), RuleDecompiler.DecompileType(type) }), 0x53d);
error.UserData["ErrorObject"] = newParent;
validation.Errors.Add(error);
flag = true;
}
else
{
if (RuleExpressionWalker.Validate(validation, expression3, false) == null)
{
flag = true;
}
argumentExprs.Add(expression3);
}
}
if (flag)
{
return null;
}
}
finally
{
validation.PopParentExpression();
}
BindingFlags constructorBindingFlags = BindingFlags.Public | BindingFlags.Instance;
if (validation.AllowInternalMembers(type))
{
constructorBindingFlags |= BindingFlags.NonPublic;
}
if (type.IsValueType && (argumentExprs.Count == 0))
{
return new RuleExpressionInfo(type);
}
if (type.IsAbstract)
{
error = new ValidationError(string.Format(CultureInfo.CurrentCulture, Messages.UnknownConstructor, new object[] { RuleDecompiler.DecompileType(type) }), 0x137);
error.UserData["ErrorObject"] = newParent;
validation.Errors.Add(error);
return null;
}
RuleConstructorExpressionInfo info2 = validation.ResolveConstructor(type, constructorBindingFlags, argumentExprs, out error);
if (info2 == null)
{
error = new ValidationError(string.Format(CultureInfo.CurrentCulture, Messages.UnknownConstructor, new object[] { RuleDecompiler.DecompileType(type) }), 0x137);
error.UserData["ErrorObject"] = newParent;
validation.Errors.Add(error);
return null;
}
return info2;
}