/// <summary>
/// Visits a QueryStructuralValue and returns the clr value of the structural value
/// </summary>
/// <param name="value">The QueryStructuralValue which contains the clr value of the structural type : complex/entity type</param>
/// <returns>The clr instance of the structural value</returns>
public object Visit(QueryStructuralValue value)
{
object clrInstance = null;
if (this.objectLookup.TryGetValue(value, out clrInstance))
{
return(clrInstance);
}
ExceptionUtilities.CheckObjectNotNull(value.Type as IQueryClrType, "Structural type does not implement IQueryClrType");
IQueryClrType clrTypeQueryable = value.Type as IQueryClrType;
Type clrType = clrTypeQueryable.ClrType;
ExceptionUtilities.CheckObjectNotNull(clrType, "ClrType should not be null");
clrInstance = clrType.GetConstructor(Type.EmptyTypes).Invoke(null);
this.objectLookup.Add(value, clrInstance);
foreach (var member in value.MemberNames)
{
QueryValue queryValue = value.GetValue(member);
var memberValue = queryValue.Accept(this);
PropertyInfo memberProperty = clrType.GetProperty(member);
memberProperty.SetValue(clrInstance, memberValue, null);
}
return(clrInstance);
}
/// <summary>
/// Prints an entity graph
/// </summary>
/// <param name="rootQueryValue">The root element of the Query</param>
/// <param name="maximumPayloadDepth">Indicates how far within the payload graph to traverse.</param>
/// <returns>Returns a string to help visualize the Entity graph</returns>
public string PrettyPrint(QueryValue rootQueryValue, int maximumPayloadDepth)
{
this.maxDepth = maximumPayloadDepth;
ExceptionUtilities.CheckArgumentNotNull(rootQueryValue, "rootQueryValue");
ExceptionUtilities.CheckAllRequiredDependencies(this);
this.builder = new StringBuilder();
this.currentDepth = 0;
rootQueryValue.Accept(this);
return(this.builder.ToString());
}
