/// <summary>
/// Adds a criterion to the criteria.
/// </summary>
/// <param name="criterionPattern">String specifying the criterion e.g. 'ent.PropertyName = {0}'
/// where:
/// - it is assumed that ent is the alias assigned to the root entity being queried.
/// - {0} indicates the position where the parameter will be inserted. The parameter name will be automatically assigned.</param>
/// <param name="parameterValue">The parameter value.</param>
public void AddParameterisedCriterion(string criterionPattern, object parameterValue)
{
var queryParamName = "p" + FilterParameters.Count.ToString();
FilterClauses.Add(string.Format(criterionPattern, ":" + queryParamName));
FilterParameters.Add(queryParamName, parameterValue);
}
/// <summary>
/// Copies all the <paramref name="criteria"/>'s FilterClauses and FilterParameters to this
/// FilterCriteria.
/// </summary>
/// <param name="criteria"></param>
public void AppendCriteria([NotNull] FilterCriteria criteria)
{
if (criteria.FilteringMethod != this.FilteringMethod)
{
throw new Exception("The filtering method used is incompatible and may cause problems due to differences in syntax.");
}
FilterClauses.AddRange(criteria.FilterClauses);
foreach (var param in criteria.FilterParameters)
{
FilterParameters.Add(param.Key, param.Value);
}
}
