/// <summary>
/// Insert list of nodes into database as bulk
/// </summary>
/// <param name="nodesList">List of nodes fo insert</param>
public void InsertBulk(List <Node> nodesList)
{
var adapter = new GraphTableAdapters.NodesTableAdapter();
var newRecords = new Graph.NodesDataTable();
foreach (var node in nodesList)
{
newRecords.AddNodesRow(node.id, node.label, node.adjacentNodes);
}
adapter.Update(newRecords);
}
/// <summary>
/// Retrieves list of Nodes with UniDirectional relationships
/// </summary>
/// <returns> List of Nodes from database</returns>
public List <Node> GetNodes()
{
var adapter = new GraphTableAdapters.NodesTableAdapter();
Graph.NodesDataTable nodesBack = adapter.GetData();
IEnumerable <Node> nodesList = nodesBack.Select(nodeBack => new Node
{
id = (byte)nodeBack.id, //TODO change in Node to long cause contract failure
label = nodeBack.label,
adjacentNodes = nodeBack.adjacentNodes
});
return(nodesList.ToList());
}
/// <summary>
/// Insert list of nodes into database
/// </summary>
/// <param name="nodesList">List of nodes for insert</param>
public int Insert(List <Node> nodesList)
{
var adapter = new GraphTableAdapters.NodesTableAdapter();
foreach (var node in nodesList)
{
try
{
adapter.Insert(node.id, node.label, node.adjacentNodes);
}
catch (Exception e)
{
// In case of fail rest of node is inserted
}
}
return(nodesList.Count);
}
