protected override sealed void SetContext(EvaluatorContext context)
{
if(contexts == null) contexts = new EvaluatorContext[] { context };
else contexts[0] = context;
}
protected abstract void SetContext(EvaluatorContext context);
public object Evaluate(EvaluatorContext evaluationContext, CriteriaOperator evaluatorCriteria, IComparer customComparer)
{
System.Diagnostics.Debug.Assert(!HasContext);
try {
this.customComparer = customComparer;
SetContext(evaluationContext);
return this.Process(evaluatorCriteria);
} finally {
ClearContext();
}
}
public bool Fit(EvaluatorContext evaluationContext, CriteriaOperator filterCriteria)
{
if(ReferenceEquals(filterCriteria, null))
return true;
return (bool)Evaluate(evaluationContext, filterCriteria);
}
public object Evaluate(EvaluatorContext evaluationContext, CriteriaOperator evaluatorCriteria)
{
return Evaluate(evaluationContext, evaluatorCriteria, null);
}