/// <summary>
/// Adds query filter to requested view.
/// </summary>
/// <param name="filter">Filter entry to add.</param>
/// <exception cref="ArgumentNullException">
/// <strong>filter</strong> parameter is null.
/// </exception>
/// <exception cref="AccessViolationException">
/// Database view is already opened and cannot be altered.
/// </exception>
/// <returns>
/// <strong>True</strong> if filter is added, if filter is already added or the filter column is not valid
/// the method returns <strong>False</strong>.
/// </returns>
public Boolean AddQueryFilter(AdcsDbQueryFilter filter)
{
if (filter == null)
{
throw new ArgumentNullException(nameof(filter));
}
if (isOpenView)
{
throw new AccessViolationException();
}
if (_filters.Contains(filter))
{
return(false);
}
Int32 index;
try {
index = _caView.GetColumnIndex(0, filter.ColumnName);
} catch {
return(false);
}
filter.ColumnID = index;
return(_filters.Add(filter));
}
Boolean Equals(AdcsDbQueryFilter other)
{
return(String.Equals(ColumnName, other.ColumnName, StringComparison.OrdinalIgnoreCase) &&
LogicalOperator == other.LogicalOperator &&
Equals(QualifierValue, other.QualifierValue));
}
