internal /*protected*/ static TextCompareOperator GetTextCompareOpForRelation(Relation rel)
{
TextCompareOperator tcOp = TextCompareOperator.Contains;
switch (rel)
{
case Relation.Contains:
tcOp = TextCompareOperator.Contains;
break;
case Relation.Equal:
tcOp = TextCompareOperator.IsEqual;
break;
default:
throw new ArgumentException("Specified relation is not suited for textual comparision");
}
return(tcOp);
}
public FreeTextSearchCriteria(string searchString, IFreeTextSearchField fields, TextCompareOperator compareOperator, MatchRule fieldMatchRule)
{
if (searchString == null)
{
throw new ArgumentNullException("searchString");
}
if (searchString.Length < VolumeDatabase.MIN_SEARCHSTR_LENGTH)
{
throw new ArgumentException(string.Format("Length of a searchstring must be at least {0}",
VolumeDatabase.MIN_SEARCHSTR_LENGTH), "searchString");
}
// if (fields == FreeTextSearchField.None)
if (fields == null || fields.IsEmpty)
{
throw new ArgumentException("No searchfield specified", "fields");
}
this.searchString = searchString.Replace("'", "''");
this.fields = fields;
this.compareOperator = compareOperator;
this.fieldMatchRule = fieldMatchRule;
}
public FreeTextSearchCriteria(string searchString, IFreeTextSearchField fields, TextCompareOperator compareOperator)
: this(searchString, fields, compareOperator, MatchRule.AnyMustMatch)
{
}