private string GetFieldNameForRangeQuery(ExpressionInfo expression, object value)
{
var identityProperty = luceneQuery.DocumentConvention.GetIdentityProperty(typeof(T));
if (identityProperty != null && identityProperty.Name == expression.Path)
{
return(Constants.DocumentIdFieldName);
}
if (value is int || value is long || value is double || value is float || value is decimal)
{
return(expression.Path + "_Range");
}
return(expression.Path);
}
/// <summary>
/// Gets member info for the specified expression and the path to that expression
/// </summary>
/// <param name="expression"></param>
/// <returns></returns>
protected override ExpressionInfo GetMember(System.Linq.Expressions.Expression expression)
{
var parameterExpression = expression as ParameterExpression;
if (parameterExpression != null)
{
return(new ExpressionInfo(CurrentPath, parameterExpression.Type, false));
}
var memberExpression = GetMemberExpression(expression);
//for standard queries, we take just the last part. But for dynamic queries, we take the whole part
var path = memberExpression.ToString();
path = path.Substring(path.IndexOf('.') + 1);
var info = new ExpressionInfo(path, memberExpression.Member.GetMemberType(), memberExpression.Expression is MemberExpression);
return(new ExpressionInfo(
CurrentPath + info.Path,
info.Type,
memberExpression.Expression is MemberExpression));
}
private static Type GetMemberType(ExpressionInfo info)
{
return(info.Type);
}