/// <summary>
/// Create a new DetachedCriteria, "rooted" at the associated entity
/// </summary>
/// <typeparam name="T">Type (same as criteria type)</typeparam>
/// <param name="criteria">criteria instance</param>
/// <param name="expression">Lambda expression returning association path</param>
/// <returns>The created "sub criteria"</returns>
public static DetachedCriteria CreateCriteria <T>(this DetachedCriteria criteria,
Expression <Func <T, object> > expression)
{
string path = ExpressionProcessor.FindMemberExpression(expression.Body);
return(criteria.CreateCriteria(path));
}
/// <summary>
/// Create a new DetachedCriteria, "rooted" at the associated entity
/// </summary>
/// <param name="criteria">criteria instance</param>
/// <param name="expression">Lambda expression returning association path</param>
/// <param name="joinType">The type of join to use</param>
/// <returns>The created "sub criteria"</returns>
public static DetachedCriteria CreateCriteria(this DetachedCriteria criteria,
Expression <Func <object> > expression,
JoinType joinType)
{
string path = ExpressionProcessor.FindMemberExpression(expression.Body);
return(criteria.CreateCriteria(path, joinType));
}
/// <summary>
/// Create a new DetachedCriteria, "rooted" at the associated entity
/// </summary>
/// <param name="criteria">criteria instance</param>
/// <param name="expression">Lambda expression returning association path</param>
/// <param name="alias">Lambda expression returning alias reference</param>
/// <returns>The created "sub criteria"</returns>
public static DetachedCriteria CreateCriteria(this DetachedCriteria criteria,
Expression <Func <object> > expression,
Expression <Func <object> > alias)
{
string path = ExpressionProcessor.FindMemberExpression(expression.Body);
string aliasContainer = ExpressionProcessor.FindMemberExpression(alias.Body);
return(criteria.CreateCriteria(path, aliasContainer));
}
