/// <summary>
/// Creates a new Resource Operation exception
/// </summary>
/// <param name="resource"></param>
/// <param name="operations"></param>
/// <param name="rule"></param>
/// <param name="bk"></param>
public ResourceOperationException(string resource, string operations, ConflictRule rule, BookKeeper bk)
: base(String.Format("The operation sequence {1} on the resource \"{0}\" violates the {2}",
resource, operations, rule.ToString()))
{
_resource = resource;
_operations = operations;
_rule = rule;
_bookkeeper = bk;
}
private void procAssembly(Assembly asm)
{
foreach (Object ca in asm.GetCustomAttributes(typeof(ConflictRuleAttribute), true))
{
ConflictRuleAttribute cae = (ConflictRuleAttribute)ca;
string resname;
if ("*".Equals(cae.Resource))
{
resname = "*";
}
else
{
short ord;
ResourceType rt = BookKeeper.getResourceType(cae.Resource, out ord);
if (rt == ResourceType.Custom)
{
resname = cae.Resource.ToLower();
}
else if (rt == ResourceType.ArgumentEntry && ord > -1)
{
resname = BookKeeper.resourceTypeAsString(rt) + ord;
}
else
{
resname = BookKeeper.resourceTypeAsString(rt);
}
}
bool add = true;
foreach (ConflictRule cr in rules)
{
if (cr.Constraint == cae.Constraint && cr.Resource.Equals(resname) && cr.Pattern.Equals(cae.Pattern))
{
add = false;
break;
}
}
if (add)
{
try
{
ConflictRule cr = new ConflictRule(cae.Pattern, resname, cae.Constraint, cae.Message);
rules.Add(cr);
}
catch (Exception e)
{
#if DEBUG
Console.Error.WriteLine("<ResourceValidator> Unable to create conflict rule with pattern {0} for resource {1}", cae.Pattern, resname);
Console.Error.WriteLine("<ResourceValidator> " + e.Message);
Console.Error.WriteLine("<ResourceValidator> " + e.StackTrace);
#endif
}
}
}
}
/// <summary>
/// Validate the resource operation
/// </summary>
/// <param name="resource">the resource name</param>
/// <param name="altres">alternative name for the resource (used for arg vs arg0)</param>
/// <param name="operations"></param>
/// <param name="bk"></param>
/// <exception cref="ResourceOperationException">Thrown when a rule is violated.</exception>
public void validate(string resource, string altres, IList <string> operations, BookKeeper bk)
{
if (operations.Count == 0)
{
return;
}
foreach (ConflictRule rule in rules)
{
if ("*".Equals(rule.Resource) || resource.Equals(rule.Resource) ||
(!String.IsNullOrEmpty(altres) && altres.Equals(rule.Resource)))
{
#if DEBUG
Console.Error.WriteLine("<ResourceValidator> Validating resource {0} with rule {1}", resource, rule.ToString());
#endif
if (rule.violatesRule(operations))
{
StringBuilder sb = new StringBuilder();
sb.Append("[");
foreach (String s in operations)
{
if (sb.Length > 1)
{
sb.Append(", ");
}
sb.Append(s);
}
sb.Append("]");
throw new ResourceOperationException(resource, sb.ToString(), rule, bk);
}
}
}
}
