ember.js - How to write Ember model for tree type json -

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i new ember, can 1 tell me how write ember model json show below. searched lot couldn't come solution

 {id:1, name: "a", children: [                     { id:1, name: "a1" },                     { id:2, name: "a2" },                     {                        id:3, name: "a3", children: [                                {                                   id:1, name: "a31", children: [                                           { id:1, name: "a311" },                                           { id:2, name: "a312" },                                    ]                                },                         ]                     },         ]

thanks

have tried following? have not worked ember data yet, imagine work this: 

app.person = ds.model.extend({   id : ds.attr("number"),   name : ds.attr("string"),   children : ds.hasmany("app.person"),   parent : ds.belongsto("app.person") });

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