private static Restriction BuildComparisonRestriction(ComparisonFilter filter, PropTag ptagToSearch, object propValue) { Restriction.PropertyRestriction propertyRestriction; switch (filter.ComparisonOperator) { case ComparisonOperator.Equal: propertyRestriction = (Restriction.PropertyRestriction)Restriction.EQ(ptagToSearch, propValue); break; case ComparisonOperator.NotEqual: propertyRestriction = (Restriction.PropertyRestriction)Restriction.NE(ptagToSearch, propValue); break; case ComparisonOperator.LessThan: propertyRestriction = (Restriction.PropertyRestriction)Restriction.LT(ptagToSearch, propValue); break; case ComparisonOperator.LessThanOrEqual: propertyRestriction = (Restriction.PropertyRestriction)Restriction.LE(ptagToSearch, propValue); break; case ComparisonOperator.GreaterThan: propertyRestriction = (Restriction.PropertyRestriction)Restriction.GT(ptagToSearch, propValue); break; case ComparisonOperator.GreaterThanOrEqual: propertyRestriction = (Restriction.PropertyRestriction)Restriction.GE(ptagToSearch, propValue); break; default: throw ContentFilterBuilder.UnexpectedFilterType(filter); } if (ptagToSearch.IsMultiValued()) { propertyRestriction.MultiValued = true; } return(propertyRestriction); }