// GET: api/Default
public IEnumerable <string> Get()
{
FlatData[] elements = new FlatData[]
{
new FlatData {
Id = 1, Text = "A"
},
new FlatData {
Id = 2, Text = "B"
},
new FlatData {
Id = 3, ParentId = 1, Text = "C"
},
new FlatData {
Id = 4, ParentId = 1, Text = "D"
},
new FlatData {
Id = 5, ParentId = 2, Text = "E"
}
};
IEnumerable <NodeData> nodes = elements.RecursiveJoin(element => element.Id,
element => element.ParentId,
(FlatData element, IEnumerable <NodeData> children) => new NodeData()
{
Text = element.Text,
Children = children
});
var t = nodes.ToList();
var p = JsonConvert.SerializeObject(t);
return(new string[] { "value1", "value2" });
}
public void RecursiveJoinTest()
{
FlatData[] _elements = new FlatData[]
{
new FlatData {
Id = 1, Text = "A"
},
new FlatData {
Id = 2, Text = "B"
},
new FlatData {
Id = 3, ParentId = 1, Text = "C"
},
new FlatData {
Id = 4, ParentId = 1, Text = "D"
},
new FlatData {
Id = 5, ParentId = 2, Text = "E"
}
};
IEnumerable <NodeData> _nodes = _elements.RecursiveJoin(element => element.Id,
element => element.ParentId,
(FlatData element, IEnumerable <NodeData> children) => new NodeData()
{
Text = element.Text,
Children = children
});
Assert.AreEqual(2, _nodes.Count());
IEnumerable <DeepNodeData> _nodes2 = _elements.RecursiveJoin(element => element.Id, element => element.ParentId, (FlatData element, int index, int depth, IEnumerable <DeepNodeData> children) =>
{
return(new DeepNodeData()
{
Text = element.Text,
Children = children,
Depth = depth
});
});
Assert.AreEqual(2, _nodes2.Count());
}