/// <summary>
/// Detects whether an item satisfies a label condition.
/// </summary>
/// <param name="item">The input item.</param>
/// <param name="valueComparison">Specifies how label value comparisons are to be performed.</param>
/// <returns><c>true</c> if the label selector was satisfied.</returns>
public bool Execute(TItem item, StringComparison valueComparison)
{
string actualValue;
var labels = item.GetLabels();
if (labels == null)
{
return(false);
}
switch (type)
{
case ConditionType.Equal:
if (!labels.TryGetValue(this.labelKey, out actualValue))
{
return(false);
}
return(string.Equals(labelValue, actualValue, valueComparison));
case ConditionType.NotEqual:
if (!labels.TryGetValue(this.labelKey, out actualValue))
{
return(false);
}
return(!string.Equals(labelValue, actualValue, valueComparison));
case ConditionType.In:
if (!labels.TryGetValue(this.labelKey, out actualValue))
{
return(false);
}
foreach (var value in labelValues)
{
if (string.Equals(value, actualValue, valueComparison))
{
return(true);
}
}
return(false);
case ConditionType.NotIn:
if (!labels.TryGetValue(this.labelKey, out actualValue))
{
return(false);
}
foreach (var value in labelValues)
{
if (string.Equals(value, actualValue, valueComparison))
{
return(false);
}
}
return(true);
case ConditionType.Has:
return(labels.ContainsKey(this.labelKey));
case ConditionType.NotHas:
return(!labels.ContainsKey(this.labelKey));
default:
throw new NotImplementedException();
}
}