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using System;
using System.Collections.Generic;
using System.Linq;
using QuickGraph;
using QuickGraph.Algorithms;
using QuickGraph.Graphviz;
using Spring.Context;
using Spring.Context.Support;
using Spring.Objects;
using Spring.Objects.Factory;
using Spring.Objects.Factory.Config;
using Spring.Objects.Factory.Support;
using Spring.Objects.Factory.Xml;
namespace q7446068
{
internal class Program
{
private static void Main(string[] args)
{
var configFile = "circular-reference.xml";
IApplicationContext ctx = new XmlApplicationContext(configFile);
var myRegistry = GetRegistry(configFile);
var graph = GetAdjacencyGraph(myRegistry);
var output = GetDotRepresentation(graph);
Console.WriteLine("Created dot file: " + output);
if(!graph.IsDirectedAcyclicGraph())
Console.WriteLine("Warning: the configuration contains circular references.");
Console.ReadLine();
}
private static string GetDotRepresentation(AdjacencyGraph<string, Edge<string>> graph)
{
var graphviz = new GraphvizAlgorithm<string, Edge<string>>(graph);
graphviz.FormatVertex += graphviz_FormatVertex;
var output = graphviz.Generate(new FileDotEngine(), "graph");
return output;
}
static void graphviz_FormatVertex(object sender, FormatVertexEventArgs<string> e)
{
e.VertexFormatter.Label = e.Vertex;
}
private static AdjacencyGraph<string, Edge<string>> GetAdjacencyGraph(DictionaryRegistry myRegistry)
{
var graph = new QuickGraph.AdjacencyGraph<string, Edge<string>>();
foreach (var definition in myRegistry.Definitions.Keys)
graph.AddVertex(definition);
foreach (var defId in graph.Vertices)
{
var def = myRegistry.GetObjectDefinition(defId);
foreach (PropertyValue pv in def.PropertyValues.PropertyValues)
{
var objRef = pv.Value as RuntimeObjectReference;
if (objRef == null)
continue;
graph.AddEdge(new Edge<string>(defId, objRef.ObjectName));
}
}
return graph;
}
private static DictionaryRegistry GetRegistry(string configFile)
{
var myRegistry = new DictionaryRegistry();
var rdr = new XmlObjectDefinitionReader(myRegistry);
rdr.LoadObjectDefinitions(configFile);
return myRegistry;
}
}
public class ClassA : IObjectNameAware
{
public ClassA MyOtherA { get; set; }
public string ObjectName { get; set; }
}
public class DictionaryRegistry : IObjectDefinitionRegistry
{
private readonly Dictionary<string, IObjectDefinition> _definitions = new Dictionary<string, IObjectDefinition>();
public Dictionary<string, IObjectDefinition> Definitions
{
get { return _definitions; }
}
#region Implementation of IObjectDefinitionRegistry
public bool IsObjectNameInUse(string objectName)
{
return Definitions.ContainsKey(objectName);
}
public string[] GetObjectDefinitionNames()
{
return Definitions.Keys.ToArray();
}
public bool ContainsObjectDefinition(string name)
{
return Definitions.ContainsKey(name);
}
public IObjectDefinition GetObjectDefinition(string name)
{
return Definitions[name];
}
public void RegisterObjectDefinition(string name, IObjectDefinition definition)
{
Definitions.Add(name, definition);
}
public string[] GetAliases(string name)
{
throw new NotImplementedException();
}
public void RegisterAlias(string name, string theAlias)
{
throw new NotImplementedException();
}
public int ObjectDefinitionCount
{
get { return Definitions.Count; }
}
#endregion
}
}
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