# Unidom Sequence 序列领域模型引擎

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Unidom (UNIfied Domain Object Model) is a series of domain model engines. The Sequence domain model engine includes the Sequence model and its relative models.
Unidom (统一领域对象模型)是一系列的领域模型引擎。序列领域模型引擎包括序列和与其相关的模型。



## Recent Update

Check out the [Road Map](ROADMAP.md) to find out what's the next.
Check out the [Change Log](CHANGELOG.md) to find out what's new.



## Usage in Gemfile

```ruby
gem 'unidom-sequence'
```



## Run the Database Migration

```shell
rake db:migrate
```
The migration versions start with 200008.



## Call the Model

```ruby
sequence      = Unidom::Sequence::Sequence.prefix_is('12345620170101').sequentiality_coded_as('FLNO').first_or_create!
next_sequence = sequence.increment! :serial_number
next_sequence.serial_number # 1
next_sequence = sequence.increment! :serial_number
next_sequence.serial_number # 2
```