/// <summary>
/// When overidden, determines whether the specified field is included in the data set.
/// </summary>
/// <param name="fieldName">Field name.</param>
/// <returns>Returns *true* if the specified field is included in the data set.</returns>
public override bool HasField(string fieldName)
{
string[] mappedNames = SearchServiceHelper.GetManagedPropertyNames(this.Site, fieldName);
if (mappedNames.Length > 0)
{
fieldName = mappedNames[0];
}
return(base.HasField(fieldName));
}
/// <summary>
/// Gets or sets values to the specified column.
/// </summary>
/// <param name="name">Field name.</param>
/// <returns>Value of the specified column.</returns>
protected override object this[string name] {
get {
string[] mappedNames = SearchServiceHelper.GetManagedPropertyNames(this.Site, name);
if (mappedNames.Length > 0)
{
name = mappedNames[0];
}
object value = base[name];
if (value != DBNull.Value)
{
return(value);
}
return(null);
}
set {
base[name] = value;
}
}
/// <summary>
/// Creates a <see cref="KeywordQuery"/> instance with query text and certain properties set in regards of the specified CAML expression.
/// </summary>
/// <param name="site">A site collection object.</param>
/// <param name="query">A CAML expression.</param>
/// <param name="limit">Number of rows to be returned.</param>
/// <param name="startRow">Number of rows to be skipped.</param>
/// <param name="keywords">A list of keywords to be passed in query text.</param>
/// <param name="inclusion">Whether to match all or any keywords supplied.</param>
/// <param name="selectProperties">A list of managed properties to be returned.</param>
/// <returns>A prepared <see cref="KeywordQuery"/> instance.</returns>
public static KeywordQuery CreateQuery(SPSite site, CamlExpression query, int limit, int startRow, string[] keywords, KeywordInclusion inclusion, string[] selectProperties)
{
CommonHelper.ConfirmNotNull(site, "site");
KeywordQuery keywordQuery = SearchServiceHelper.CreateKeywordQueryFromCaml(site, query);
if (keywords != null)
{
keywordQuery.QueryText = String.Concat(String.Join(" ", keywords), " ", keywordQuery.QueryText);
}
keywordQuery.SelectProperties.AddRange(SPModel.RequiredSearchProperties);
if (selectProperties != null)
{
keywordQuery.SelectProperties.AddRange(selectProperties);
}
keywordQuery.KeywordInclusion = inclusion;
keywordQuery.ResultsProvider = SearchProvider.Default;
keywordQuery.TrimDuplicates = true;
keywordQuery.TrimDuplicatesOnProperty = BuiltInManagedPropertyName.UniqueID;
keywordQuery.StartRow = startRow;
keywordQuery.RowLimit = limit;
keywordQuery.RowsPerPage = limit;
return(keywordQuery);
}