/// <summary> Constructs a filter for Field <code>f</code> matching
/// dates on or after <code>date</code>.
/// </summary>
public static DateFilter After(System.String field, System.DateTime date)
{
DateFilter result = new DateFilter(field);
result.start = DateField.DateToString(date);
return(result);
}
/// <summary> Constructs a filter for Field <code>f</code> matching
/// dates on or before before <code>date</code>.
/// </summary>
public static DateFilter Before(System.String field, System.DateTime date)
{
DateFilter result = new DateFilter(field);
result.end = DateField.DateToString(date);
return(result);
}
/// <summary> Constructs a filter for Field <code>f</code> matching times
/// on or before <code>time</code>.
/// </summary>
public static DateFilter Before(System.String field, long time)
{
DateFilter result = new DateFilter(field);
result.end = DateField.TimeToString(time);
return(result);
}
/// <summary> Constructs a filter for Field <code>f</code> matching times
/// between <code>from</code> and <code>to</code> inclusively.
/// </summary>
public DateFilter(System.String f, long from, long to)
{
InitBlock();
field = f;
start = DateField.TimeToString(from);
end = DateField.TimeToString(to);
}
/// <summary> Constructs a filter for Field <code>f</code> matching dates
/// between <code>from</code> and <code>to</code> inclusively.
/// </summary>
public DateFilter(System.String f, System.DateTime from, System.DateTime to)
{
InitBlock();
field = f;
start = DateField.DateToString(from);
end = DateField.DateToString(to);
}
/// <summary> Constructs a filter for Field <code>f</code> matching
/// times on or after <code>time</code>.
/// </summary>
public static DateFilter After(System.String field, long time)
{
DateFilter result = new DateFilter(field);
result.start = DateField.TimeToString(time);
return(result);
}
public override System.String ToString()
{
System.Text.StringBuilder buffer = new System.Text.StringBuilder();
buffer.Append(field);
buffer.Append(":");
buffer.Append(DateField.StringToDate(start).ToString("r"));
buffer.Append("-");
buffer.Append(DateField.StringToDate(end).ToString("r"));
return(buffer.ToString());
}
private void InitBlock()
{
start = DateField.MIN_DATE_STRING();
end = DateField.MAX_DATE_STRING();
}
