private AttributeInstance FindAttributeInstanceInScope(string attributeName)
{
AttributeInstance attributeInstance = null;
Flow scope = this.Flow;
var attributeRepository = ServiceLocator.Current.GetInstance <IRepository <AttributeInstance> >();
while (attributeInstance == null)
{
var query =
from a in attributeRepository
where a.Scope.Id == scope.Id && a.AttributeName == attributeName
select a;
attributeInstance = query.SingleOrDefault();
if (attributeInstance == null)
{
if (!scope.IsRootFlow())
{
scope = scope.Parent;
}
else
{
//throw new RuntimeException( "couldn't find attribute-instance '" + attributeName + "' in scope of flow '" + this.flow + "'" );
// log a warning message (indicate that attribute supplied is not defined in attribute-instance in db)
Log.Warning("couldn't find attribute-instance '" + attributeName + "' in scope of flow '" + this.Flow + "'");
break;
}
}
}
return(attributeInstance);
}
private void setAttribute(string attributeName, object valueObject)
{
AttributeInstance attributeInstance = this.Flow.AttributeInstances.SingleOrDefault(s => s.AttributeName == attributeName);
if (attributeInstance != null)
{
attributeInstance.SetValue(valueObject);
}
}
public object GetAttribute(string name)
{
AttributeInstance attributeInstance = FindAttributeInstanceInScope(name);
if (attributeInstance != null)
{
return(attributeInstance.GetValue());
}
return(null);
}
private void createAttributeInstances(ICollection <AttributeDef> attributes)
{
this.AttributeInstances = new HashSet <AttributeInstance>();
IEnumerator iter = attributes.GetEnumerator();
foreach (var attribute in attributes)
{
String attributeName = attribute.Name;
AttributeInstance attributeInstance = new AttributeInstance(attribute, this);
attributeInstance.ValueText = attribute.InitialValue;
this.AttributeInstances.Add(attributeInstance);
}
}
