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commanded_uniqueness_middleware

0.6.1
0.7.1 0.7.0 0.6.4 0.6.3 0.6.2 0.6.1 0.6.0

Use CommandedUniquenessMiddleware to ensure short-term value uniqueness, usually during Commanded command dispatch.

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commanded_uniqueness_middleware test support test_command_partition2.ex
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test/support/test_command_partition2.ex 

defmodule TestCommandPartition2 do

  defstruct [

    :id,

    :name

  ]

end



defimpl Commanded.Middleware.Uniqueness.UniqueFields, for: TestCommandPartition2 do

  def unique(%TestCommandPartition2{id: id}),

    do: [

      {:name, "has already been taken", id, partition: "SomeCommonPartition"}

    ]

end