protected override Expression VisitMember(MemberExpression expression)
{
var isIdentifier = _isEntityDecider.IsIdentifier(expression.Expression.Type, expression.Member.Name);
if (isIdentifier)
{
_hasIdentifier = true;
}
if (!isIdentifier)
{
_memberExpressionDepth++;
}
var result = base.VisitMember(expression);
if (!isIdentifier)
{
_memberExpressionDepth--;
}
if (_isEntityDecider.IsEntity(expression.Type) &&
((_requiresJoinForNonIdentifier && !_hasIdentifier) || _memberExpressionDepth > 0) &&
_joiner.CanAddJoin(expression))
{
var key = ExpressionKeyVisitor.Visit(expression, null);
return(_joiner.AddJoin(result, key));
}
_hasIdentifier = false;
return(result);
}
protected override Expression VisitMemberExpression(MemberExpression expression)
{
if (_isEntityDecider.IsIdentifier(expression.Expression.Type, expression.Member.Name))
{
_hasIdentifier = true;
}
else if (_hasIdentifier)
{
_identifierMemberExpressionDepth++;
}
var result = base.VisitMemberExpression(expression);
if (_hasIdentifier)
{
_identifierMemberExpressionDepth--;
}
if (_isEntityDecider.IsEntity(expression.Type) &&
(!_hasIdentifier || _identifierMemberExpressionDepth > 0) &&
_joiner.CanAddJoin(expression))
{
var key = ExpressionKeyVisitor.Visit(expression, null);
return(_joiner.AddJoin(result, key));
}
_hasIdentifier = false;
return(result);
}
protected override Expression VisitMemberExpression(MemberExpression expression)
{
var isIdentifier = _isEntityDecider.IsIdentifier(expression.Expression.Type, expression.Member.Name);
if (!isIdentifier)
{
_memberExpressionDepth++;
}
var result = base.VisitMemberExpression(expression);
if (!isIdentifier)
{
_memberExpressionDepth--;
}
if (_isEntityDecider.IsEntity(expression.Type) &&
_memberExpressionDepth > 0 &&
_joiner.CanAddJoin(expression))
{
var key = ExpressionKeyVisitor.Visit(expression, null);
return(_joiner.AddJoin(result, key));
}
return(result);
}
protected override Expression VisitMember(MemberExpression expression)
{
// A static member expression such as DateTime.Now has a null Expression.
if (expression.Expression == null)
{
// A static member call is never a join, and it is not an instance member access either.
return(base.VisitMember(expression));
}
var isIdentifier = _isEntityDecider.IsIdentifier(expression.Expression.Type, expression.Member.Name);
if (isIdentifier)
{
_hasIdentifier = true;
}
if (!isIdentifier)
{
_memberExpressionDepth++;
}
var result = base.VisitMember(expression);
if (!isIdentifier)
{
_memberExpressionDepth--;
}
if (_isEntityDecider.IsEntity(expression.Type) &&
((_requiresJoinForNonIdentifier && !_hasIdentifier) || _memberExpressionDepth > 0) &&
_joiner.CanAddJoin(expression))
{
var key = ExpressionKeyVisitor.Visit(expression, null);
return(_joiner.AddJoin(result, key));
}
_hasIdentifier = false;
return(result);
}