public Node GetRootNode(ConnectionElement connection)
{
string response;
var status = Neo4jRestApi.GetRoot(Connection.GetDatabaseEndpoint(connection.DbUrl).Data, out response);
if (status != HttpStatusCode.OK)
{
throw new Exception(string.Format("Error getting root node (http response:{0})", status));
}
JObject jo;
try
{
jo = JObject.Parse(response);
}
catch (Exception e)
{
throw new Exception("Invalid json", e);
}
JToken referenceNode;
if (!jo.TryGetValue("reference_node", out referenceNode))
{
throw new NodeNotFoundException("Reference node not found");
}
var graphStore = new RestNodeStore(referenceNode.Value <string>());
return(new Node(graphStore));
}
public static ServiceRoot GetServiceRoot(string dbUrl)
{
ServiceRoot serviceRoot;
if (!ServiceRoots.TryGetValue(dbUrl, out serviceRoot))
{
string response;
if (Neo4jRestApi.GetRoot(GetDatabaseEndpoint(dbUrl).Data, out response) == HttpStatusCode.OK)
{
serviceRoot = JsonConvert.DeserializeObject <ServiceRoot>(response);
ServiceRoots.TryAdd(dbUrl, serviceRoot);
}
else
{
throw new ServiceRootNotFound();
}
}
return(serviceRoot);
}
public static DatabaseEndpoint GetDatabaseEndpoint(string dbUrl)
{
DatabaseEndpoint endpoint;
if (!DatabaseEndpoints.TryGetValue(dbUrl, out endpoint))
{
string response;
if (Neo4jRestApi.GetRoot(dbUrl, out response) == HttpStatusCode.OK)
{
endpoint = JsonConvert.DeserializeObject <DatabaseEndpoint>(response);
DatabaseEndpoints.TryAdd(dbUrl, endpoint);
}
else
{
throw new DatabaseEndpointNotFound();
}
}
return(endpoint);
}