public List <PathREST> GetPaths(string from, string to, PathSpecification definition)
{
if (definition != null)
{
var fromId = Convert.ToInt32(from);
var toId = Convert.ToInt32(to);
var results = _codeProvider.CompileAssemblyFromSource(_compilerParameters, new[] { CreateSource(definition) });
if (results.Errors.HasErrors)
{
throw new Exception(CreateErrorMessage(results.Errors));
}
var type = results.CompiledAssembly.GetType(PathDelegateClassName);
var edgeCostDelegate = CreateEdgeCostDelegate(definition.Cost, type);
var vertexCostDelegate = CreateVertexCostDelegate(definition.Cost, type);
var edgePropertyFilterDelegate = CreateEdgePropertyFilterDelegate(definition.Filter, type);
var vertexFilterDelegate = CreateVertexFilterDelegate(definition.Filter, type);
var edgeFilterDelegate = CreateEdgeFilterDelegate(definition.Filter, type);
List <Path> paths;
if (_fallen8.CalculateShortestPath(
out paths,
definition.PathAlgorithmName,
fromId,
toId,
definition.MaxDepth,
definition.MaxPathWeight,
definition.MaxResults,
edgePropertyFilterDelegate,
vertexFilterDelegate,
edgeFilterDelegate,
edgeCostDelegate,
vertexCostDelegate))
{
if (paths != null)
{
return(new List <PathREST>(paths.Select(aPath => new PathREST(aPath))));
}
}
}
return(null);
}