public Relationship AddToIndex(ConnectionElement connection, Relationship relationship, string indexName, string key, object value)
{
string response;
var status = Neo4jRestApi.AddRelationshipToIndex(connection.DbUrl, relationship.Id, indexName, key, value, out response);
if (status == HttpStatusCode.Created || status == HttpStatusCode.OK)
{
return ParseRelationshipJson(response).First();
}
//// Add a relationship to an index but mapping already exists
//if (unique && status == HttpStatusCode.OK)
//{
// return null;
//}
throw new Exception(string.Format("Error adding relationship to index (http response:{0})", status));
}
public bool RemoveFromIndex(ConnectionElement connection, Relationship relationship, string indexName, string key, object value)
{
var status = Neo4jRestApi.RemoveRelationshipFromIndex(connection.DbUrl, relationship.Id, indexName, key, value);
if (status != HttpStatusCode.NoContent)
{
throw new Exception(string.Format("Error remove relationship from index (relationship id:{0} index name:{1} key:{2} http response:{3})", relationship.Id, indexName, key, status));
}
return true;
}
public GremlinScript(Relationship relationship)
{
Append("g.e({0})", relationship.Id);
//_sb.AppendFormat("g.e({0})", relationship.Id);
}
public static Relationship InitializeFromSelf(string self)
{
var relationship = new Relationship
{
Self = self,
StartNode = null,
EndNode = null,
Name = null,
_properties = null,
OriginalRelationshipJson = null
};
return relationship;
}
public static Relationship InitializeFromRelationshipJson(JObject relationshipJson)
{
var relationship = new Relationship();
JToken self;
if (!relationshipJson.TryGetValue("self", out self) || self.Type != JTokenType.String)
{
throw new Exception("Invalid relationship json");
}
relationship.Self = self.Value<string>();
JToken properties;
if (!relationshipJson.TryGetValue("data", out properties) || properties.Type != JTokenType.Object)
{
throw new Exception("Invalid relationship json");
}
JToken startNode;
if (!relationshipJson.TryGetValue("start", out startNode))
{
throw new Exception("Invalid relationship json");
}
switch (startNode.Type)
{
case JTokenType.String:
relationship.StartNode = Node.InitializeFromSelf(startNode.Value<string>());
break;
case JTokenType.Object:
relationship.StartNode = Node.InitializeFromNodeJson((JObject)startNode);
break;
default:
throw new Exception("Invalid relationship json");
}
JToken endNode;
if (!relationshipJson.TryGetValue("end", out endNode))
{
throw new Exception("Invalid relationship json");
}
switch (endNode.Type)
{
case JTokenType.String:
relationship.EndNode = Node.InitializeFromSelf(endNode.Value<string>());
break;
case JTokenType.Object:
relationship.EndNode = Node.InitializeFromNodeJson((JObject)endNode);
break;
default:
throw new Exception("Invalid relationship json");
}
JToken name;
if (!relationshipJson.TryGetValue("type", out name) || name.Type != JTokenType.String)
{
throw new Exception("Invalid relationship json");
}
relationship.Name = name.Value<string>();
relationship._properties = Properties.ParseJson(properties.ToString(Formatting.None));
relationship.OriginalRelationshipJson = relationshipJson.ToString(Formatting.None);
return relationship;
}
public Relationship AddToIndex(ConnectionElement connection, Relationship relationship, string indexName, string key, object value, bool unique = false)
{
return _batchStore.AddToIndex(connection, relationship, indexName, key, value, unique);
}
public bool RemoveFromIndex(ConnectionElement connection, Relationship relationship, string indexName, string key, object value)
{
throw new BatchRemoveFromIndexNotSupportedException();
}
