/// <summary>
/// Called when reading XML.
/// </summary>
/// <param name="reader">The reader.</param>
protected override void OnReadXml(XmlReader reader)
{
string str;
base.OnReadXml(reader);
if (((str = reader.Name) != null) && (str == "Type"))
{
this.compareType = (DateCompareType)Serializer.DeserializeObj(typeof(DateCompareType), reader);
}
}
public FileInfoDateComparer(DateCompareType dct)
{
this.datecomparetype = dct;
}
/// <summary>
/// Creates a new time condition with a specified date comparison type and expected date-time value.
/// </summary>
/// <param name="compareType">The comparison type.</param>
/// <param name="expected">The expected date-time value.</param>
/// <param name="formula">The expected formula value.</param>
internal TimeCondition(DateCompareType compareType, object expected, string formula) : base(expected, formula)
{
this.compareType = compareType;
}
/// <summary>
/// Resets this instance.
/// </summary>
protected override void Reset()
{
base.Reset();
this.compareType = DateCompareType.EqualsTo;
}
/// <summary>
/// Creates a TimeCondition object from the formula.
/// </summary>
/// <param name="compareType">The compare type.</param>
/// <param name="formula">The formula.</param>
/// <returns>The TimeCondition object.</returns>
public static TimeCondition FromFormula(DateCompareType compareType, string formula)
{
return(new TimeCondition(compareType, DateTime.Now, formula));
}
/// <summary>
/// Creates a TimeCondition object from the DateTime object.
/// </summary>
/// <param name="compareType">The compare type.</param>
/// <param name="expected">The expected DateTime object.</param>
/// <returns>The TimeCondition object.</returns>
public static TimeCondition FromDateTime(DateCompareType compareType, DateTime expected)
{
return(new TimeCondition(compareType, expected, null));
}
public FileInfoDateComparer()
{
this.datecomparetype = DateCompareType.CreationTime;
}
/// <summary>
/// 创建多字段的检索实例,这里是同时检索多字段，每个字段过滤条件是以 or 连接
/// </summary>
/// <param name="datatype"></param>
/// <param name="ctype"></param>
/// <param name="dtype"></param>
/// <param name="v1"></param>
/// <param name="v2"></param>
/// <param name="Fields"></param>
public static SearchItem CreateSearchItem(FilterDataType datatype, CompareType ctype, DateCompareType dtype, object v1, object v2, SearchFieldInfo[] Fields)
{
return(new SearchItem(datatype, ctype, dtype, v1, v2, Fields));
}
/// <summary>
/// 创建指定字段的检索实例(单字段)
/// </summary>
/// <param name="field"></param>
/// <param name="datatype"></param>
/// <param name="value"></param>
public static SearchItem CreateSearchItem(string field, FilterDataType datatype, CompareType ctype, DateCompareType dtype, object v1, object v2)
{
return(new SearchItem(field, datatype, ctype, dtype, v1, v2));
}
