| 1 | N = require '../'
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| 2 |
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| 3 | class SimpleTree extends N \_simpletree abstract: true
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| 4 |
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| 5 | @rootId = null
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| 6 |
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| 7 | SimpleTree.HasOne SimpleTree, \Parent
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| 8 |
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| 9 | SimpleTree.Create root: true .Then -> SimpleChain.Create parentId: SimpleChain.Fetch root: true
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| 10 |
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| 11 |
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| 12 |
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| 13 | # class SimpleChain extends N \_simplechain abstract: true
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| 14 | #
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| 15 | # @firstId = 0
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| 16 | # @lastId = 0
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| 17 | #
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| 18 | # @Push = @_WrapPromise (blob, done) ->
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| 19 | # @Create blob
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| 20 | # .fail done
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| 21 | # .then (newItem) ~>
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| 22 | # @Fetch @lastId
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| 23 | # .fail done
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| 24 | # .then (.nextId = newItem.id; it.Save done)
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| 25 | #
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| 26 | # SimpleChain.HasOne SimpleChain, \Next
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| 27 | #
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| 28 | # class DoubleChain extends SimpleChain.Extend \_doublechain abstract: true
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| 29 | #
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| 30 | # DoubleChain.HasOne DoubleChain, \Prev
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| 31 |
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| 32 |
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| 33 |
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| 34 | # Users.Create!
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| 35 | # .fail console.error
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| 36 | # .then -> it.AddLeft it
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| 37 | # .then -> it.Save!
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| 38 | # .fail console.error
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| 39 | # .then console.log
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| 40 | # .then -> Users.Fetch 1
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| 41 | # .fail console.error
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| 42 | # .then console.log
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| 43 |
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| 44 | # SimpleChain = N \_simplechain , abstract: true, schema:
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| 45 | # Next:
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| 46 | # type: SimpleChain
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| 47 | # localKey: 'nextId'
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| 48 | #
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| 49 | # DoubleChain = SimpleChain.Extend \_doublechain , abstract: true, schema:
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| 50 | # Prev:
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| 51 | # type: SimpleChain
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| 52 | # localKey: 'prevId'
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| 53 | #
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| 54 | # DoubleCircularChain = DoubleChain.Extend \_doublecircularchain
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