internal AbstractJoinDetector(NameGenerator nameGenerator, IIsEntityDecider isEntityDecider, Dictionary<string, NhJoinClause> joins, Dictionary<MemberExpression, QuerySourceReferenceExpression> expressionMap)
{
_nameGenerator = nameGenerator;
_expressionMap = expressionMap;
_joins = joins;
_isEntityDecider = isEntityDecider;
}
public static Results Detect(Expression selector, NameGenerator nameGenerator, ISessionFactory sessionFactory)
{
var detector = new LeftJoinDetector(nameGenerator, sessionFactory);
var newSelector = detector.VisitExpression(selector);
return new Results(newSelector, detector._joins.Values, detector._expressionMap);
}
internal static void Find(Expression expression, NameGenerator nameGenerator, IIsEntityDecider isEntityDecider, Dictionary<string, NhJoinClause> joins, Dictionary<MemberExpression, QuerySourceReferenceExpression> expressionMap)
{
WhereJoinDetector f = new WhereJoinDetector(nameGenerator, isEntityDecider, joins, expressionMap);
f.VisitExpression(expression);
ExpressionValues values = f._values.Pop();
foreach (var memberExpression in values.MemberExpressions)
{
// If outer join can never produce true, we can safely inner join.
if (!values.GetValues(memberExpression).Contains(true))
{
f.MakeInnerIfJoined(memberExpression);
}
}
}
internal Joiner(QueryModel queryModel)
{
_nameGenerator = new NameGenerator(queryModel);
_queryModel = queryModel;
}
internal Joiner(QueryModel queryModel)
{
_nameGenerator = new NameGenerator(queryModel);
_queryModel = queryModel;
}
internal SelectAndOrderByJoinDetector(NameGenerator nameGenerator, IIsEntityDecider isEntityDecider, Dictionary<string, NhJoinClause> joins, Dictionary<MemberExpression, QuerySourceReferenceExpression> expressionMap)
: base(nameGenerator, isEntityDecider, joins, expressionMap)
{
}
public static Expression Rewrite(Expression expression, NameGenerator nameGenerator)
{
var visitor = new MergeAggregatingResultsInExpressionRewriter(nameGenerator);
return visitor.VisitExpression(expression);
}
private MergeAggregatingResultsInExpressionRewriter(NameGenerator nameGenerator)
{
_nameGenerator = nameGenerator;
}
private LeftJoinDetector(NameGenerator nameGenerator, ISessionFactory sessionFactory)
{
_nameGenerator = nameGenerator;
_sessionFactory = sessionFactory;
}
internal Joiner(QueryModel queryModel)
{
_nameGenerator = new NameGenerator(queryModel);
_queryModel = queryModel;
AddJoinMethod = AddJoin;
}
WhereJoinDetector(NameGenerator nameGenerator, IIsEntityDecider isEntityDecider, Dictionary <string, NhJoinClause> joins, Dictionary <MemberExpression, QuerySourceReferenceExpression> expressionMap)
: base(nameGenerator, isEntityDecider, joins, expressionMap)
{
}
private AddJoinsReWriter(NameGenerator nameGenerator, ISessionFactory sessionFactory)
{
_nameGenerator = nameGenerator;
_sessionFactory = sessionFactory;
}
internal static void Find(Expression expression, NameGenerator nameGenerator, IIsEntityDecider isEntityDecider, Dictionary<string, NhJoinClause> joins, Dictionary<MemberExpression, QuerySourceReferenceExpression> expressionMap)
{
WhereJoinDetector f = new WhereJoinDetector(nameGenerator, isEntityDecider, joins, expressionMap);
f._memberExpressionMappings.Push(new Dictionary<string, int>());
f.VisitExpression(expression);
foreach (var mapping in f._memberExpressionMappings.Pop())
{
// If outer join can never produce true, we can safely inner join.
if ((mapping.Value & T) == 0)
{
f.MakeInnerIfJoined(mapping.Key);
}
}
}
private LeftJoinDetector(NameGenerator nameGenerator, ISessionFactory sessionFactory)
{
_nameGenerator = nameGenerator;
_sessionFactory = sessionFactory;
}
