/// <summary>
/// Determines if the specified single-valued attribute change matches this object filter
/// </summary>
/// <param name="attributeChange">The attribute change object</param>
/// <returns>A value indicating whether the specified object should be filtered from the result set</returns>
private bool IsFilteredSingleValue(AttributeChange attributeChange)
{
ValueChange valueChange = attributeChange.ValueChanges.FirstOrDefault(t => t.ModificationType == ValueModificationType.Add);
if (valueChange == null)
{
return(false);
}
switch (this.Attribute.Type)
{
case AttributeType.Binary:
return(ComparisonEngine.CompareBinary((byte[])valueChange.Value, this.Value, this.Operator));
case AttributeType.Boolean:
return(ComparisonEngine.CompareBoolean(valueChange.Value as string, this.Value, this.Operator));
case AttributeType.Integer:
return(ComparisonEngine.CompareLong(valueChange.Value as string, this.Value, this.Operator));
case AttributeType.String:
return(ComparisonEngine.CompareString((string)valueChange.Value, this.Value, this.Operator));
case AttributeType.Reference:
default:
throw new NotSupportedException();
}
}
/// <summary>
/// Evaluates a specific value against the rule
/// </summary>
/// <param name="value">The value to evaluate</param>
/// <returns>A value indicating whether the rule conditions were met</returns>
protected bool EvaluateAttributeValue(object value)
{
if (value == null)
{
return(false);
}
switch (MASchema.Attributes[this.AttributeName].Type)
{
case AttributeType.Binary:
return(ComparisonEngine.CompareBinary((byte[])value, this.Value, this.Operator));
case AttributeType.Boolean:
return(ComparisonEngine.CompareBoolean((bool)value, this.Value, this.Operator));
case AttributeType.Integer:
return(ComparisonEngine.CompareLong((long)value, this.Value, this.Operator));
case AttributeType.String:
return(ComparisonEngine.CompareString((string)value, this.Value, this.Operator));
case AttributeType.Reference:
default:
throw new NotSupportedException();
}
}
/// <summary>
/// Determines if the specified multi-valued attribute change matches this object filter
/// </summary>
/// <param name="attributeChange">The attribute change object</param>
/// <returns>A value indicating whether the specified object should be filtered from the result set</returns>
private bool IsFilteredMultiValue(AttributeChange attributeChange)
{
foreach (ValueChange valueChange in attributeChange.ValueChanges.Where(t => t.ModificationType == ValueModificationType.Add))
{
bool result;
switch (this.Attribute.Type)
{
case AttributeType.Binary:
result = ComparisonEngine.CompareBinary((byte[])valueChange.Value, this.Value, this.Operator);
break;
case AttributeType.Boolean:
result = ComparisonEngine.CompareBoolean(valueChange.Value as string, this.Value, this.Operator);
break;
case AttributeType.Integer:
result = ComparisonEngine.CompareLong(valueChange.Value as string, this.Value, this.Operator);
break;
case AttributeType.String:
result = ComparisonEngine.CompareString((string)valueChange.Value, this.Value, this.Operator);
break;
case AttributeType.Reference:
result = ComparisonEngine.CompareString((string)valueChange.Value, this.Value, this.Operator);
break;
default:
throw new NotSupportedException();
}
if (result)
{
return(result);
}
}
return(false);
}
