private QueryTree.Expression ParseMemberExpression(MemberExpression expression)
{
var startedWith = expression;
while (!_session.Factory.Mappings.MappingsByType.ContainsKey(expression.Member.DeclaringType))
{
expression = expression.Expression as MemberExpression;
if (expression == null)
{
var objectMember = Expression.Convert(startedWith, typeof(object));
var getterLambda = Expression.Lambda <Func <object> >(objectMember);
var getter = getterLambda.Compile();
var value = getter();
var ex = new QueryTree.ConstantExpression
{
Value = value
};
_constantExpressions.Add(ex);
return(ex);
}
}
return(ParseColumnExpression(expression));
}
private QueryTree.ConstantExpression ParseConstantExpression(object value)
{
var ex = new QueryTree.ConstantExpression
{
Value = value
};
_constantExpressions.Add(ex);
return(ex);
}
private QueryTree.ConstantExpression ParseFieldExpression(MemberExpression expression)
{
var fieldInfo = expression.Member as FieldInfo;
var constantExpression = expression.Expression as ConstantExpression;
var ex = new QueryTree.ConstantExpression
{
Value = fieldInfo.GetValue(constantExpression.Value)
};
_constantExpressions.Add(ex);
return(ex);
}
public QueryTree.ConstantExpression Catch(QueryTree.ConstantExpression expression)
{
Constants.Add(expression);
return(expression);
}
