internal object[] GetPredicateValues(FilterPredicate predicate) { int length = Math.Min(predicate.Values.Count, predicate.FilterFunction.ParameterCount); object[] objArray = new object[length]; for (int index = 0; index < length; ++index) { object key = predicate.Values[index]; objArray[index] = this.IsParameter(key) ? this.parameters[(string)key] : key; } return(objArray); }
internal static string GetExpression( FilterExpression filterExpression, FilterPredicate predicate) { string name = DataUtils.EscapeName(filterExpression.FieldName); string str = FilterExpression.GetCompositeExpression(name, predicate.Function, (object)predicate.Values); if (string.IsNullOrEmpty(str)) { str = FilterExpression.GetSingleExpression(name, predicate.Function, (object)predicate.Values); } return(str); }
public int GetValidPredicateCount() { int num = 0; for (int index = 0; index < this.predicates.Count; ++index) { FilterPredicate predicate = this.predicates[index]; if (predicate != null && predicate.Function != GridKnownFunction.NoFilter && this.IsPredicateValid(predicate)) { ++num; } } return(num); }
private bool IsPredicateValid(FilterPredicate filterPredicate) { object[] predicateValues = this.GetPredicateValues(filterPredicate); if (predicateValues.Length == 0) { return(false); } for (int index = 0; index < predicateValues.Length; ++index) { if (predicateValues[index] == null) { return(false); } } return(true); }
public override bool Equals(object obj) { FilterPredicate filterPredicate = obj as FilterPredicate; if (filterPredicate == null || this.function != filterPredicate.function || (this.binaryOperator != filterPredicate.BinaryOperator || this.values.Count != filterPredicate.values.Count)) { return(false); } for (int index = 0; index < this.values.Count; ++index) { if (this.values[index] != filterPredicate.values[index]) { return(false); } } return(true); }