{"id":4668,"date":"2023-05-22T11:26:21","date_gmt":"2023-05-22T14:26:21","guid":{"rendered":"https:\/\/elemarjr.com\/clube-de-estudos\/?p=4668"},"modified":"2023-10-21T21:37:41","modified_gmt":"2023-10-22T00:37:41","slug":"event-storming-uma-ferramenta-para-modelagem-de-dominio","status":"publish","type":"artigos","link":"https:\/\/elemarjr.com\/clube-de-estudos\/artigos\/event-storming-uma-ferramenta-para-modelagem-de-dominio\/","title":{"rendered":"Event Storming: uma ferramenta para modelagem de dom\u00ednio"},"content":{"rendered":"\n

O que \u00e9 Event Storming<\/em>?<\/h2>\n\n\n\n

Defini\u00e7\u00e3o de Event Storming<\/em><\/h3>\n\n\n\n

O Event Storming<\/em> \u00e9 uma t\u00e9cnica de modelagem de dom\u00ednio que envolve a explora\u00e7\u00e3o colaborativa e o entendimento de um dom\u00ednio espec\u00edfico de neg\u00f3cio.<\/p>\n\n\n\n

Import\u00e2ncia do Event Storming<\/em><\/h3>\n\n\n\n

Sua import\u00e2ncia se d\u00e1 pelo fato de que ele permite que as equipes entendam o fluxo de neg\u00f3cios, identifiquem problemas e descubram oportunidades de inova\u00e7\u00e3o.<\/p>\n\n\n\n

Como funciona o Event Storming<\/em>?<\/h2>\n\n\n\n

Passos b\u00e1sicos do Event Storming<\/em><\/h3>\n\n\n\n

A t\u00e9cnica envolve uma sess\u00e3o de brainstorming<\/em>, na qual os participantes mapeiam eventos, comandos e agregados em um espa\u00e7o f\u00edsico ou virtual.<\/p>\n\n\n\n

Ferramentas usadas no Event Storming<\/em><\/h3>\n\n\n\n

Os participantes utilizam post-its<\/em> de cores diferentes para representar diferentes elementos do dom\u00ednio.<\/p>\n\n\n\n

Event Storming<\/em> e Domain-Driven Design<\/em><\/h2>\n\n\n\n

Como eles se complementam<\/h3>\n\n\n\n

O Event Storming<\/em> se alinha perfeitamente com o Domain-Driven Design (DDD)<\/em>, pois ambos buscam entender a l\u00f3gica de neg\u00f3cios.<\/p>\n\n\n\n

Benef\u00edcios da integra\u00e7\u00e3o<\/h3>\n\n\n\n

A combina\u00e7\u00e3o dessas duas t\u00e9cnicas pode resultar em uma compreens\u00e3o mais profunda do dom\u00ednio e na identifica\u00e7\u00e3o de poss\u00edveis melhorias.<\/p>\n\n\n\n

Aplicando Event Storming<\/em> em neg\u00f3cios<\/h2>\n\n\n\n

Casos de uso<\/h3>\n\n\n\n

O Event Storming<\/em> pode ser aplicado em diversas situa\u00e7\u00f5es, como o desenvolvimento de novos produtos, a melhoria de processos existentes e a resolu\u00e7\u00e3o de problemas de neg\u00f3cios.<\/p>\n\n\n\n

Exemplos pr\u00e1ticos<\/h3>\n\n\n\n

Por exemplo, em uma empresa de log\u00edstica, o Event Storming<\/em> pode ser usado para mapear e otimizar o fluxo de entrega de mercadorias.<\/p>\n\n\n\n

Exemplo de implementa\u00e7\u00e3o em C#<\/h3>\n\n\n\n
C#<\/span><\/path><\/path><\/svg><\/span>
using<\/span> System<\/span>;<\/span><\/span>\n<\/span>\n\/\/ Definindo eventos relacionados \u00e0 entrega de mercadorias<\/span><\/span>\npublic<\/span> <\/span>enum<\/span> Event<\/span><\/span>\n{<\/span><\/span>\n    MERCADORIA_ENTREGUE<\/span>,<\/span><\/span>\n    MERCADORIA_PERDIDA<\/span>,<\/span><\/span>\n    MERCADORIA_ATRASADA<\/span><\/span>\n}<\/span><\/span>\n<\/span>\n\/\/ Definindo comandos relacionados \u00e0 entrega de mercadorias<\/span><\/span>\npublic<\/span> <\/span>enum<\/span> Command<\/span><\/span>\n{<\/span><\/span>\n    INICIAR_ENTREGA<\/span>,<\/span><\/span>\n    REGISTRAR_PERDA<\/span>,<\/span><\/span>\n    REGISTRAR_ATRASO<\/span><\/span>\n}<\/span><\/span>\n<\/span>\n\/\/ Definindo o agregado relacionado \u00e0 entrega de mercadorias<\/span><\/span>\npublic<\/span> <\/span>class<\/span> <\/span>DeliveryAggregate<\/span><\/span>\n{<\/span><\/span>\n    <\/span>public<\/span> <\/span>string<\/span> Status <\/span>{<\/span> <\/span>get;<\/span> <\/span>private<\/span> <\/span>set;<\/span> <\/span>}<\/span><\/span>\n<\/span>\n    <\/span>public<\/span> <\/span>DeliveryAggregate<\/span>()<\/span><\/span>\n    <\/span>{<\/span><\/span>\n        <\/span>Status<\/span> <\/span>=<\/span> <\/span>"<\/span>pendente<\/span>"<\/span>;<\/span><\/span>\n    <\/span>}<\/span><\/span>\n<\/span>\n    <\/span>public<\/span> <\/span>void<\/span> <\/span>ApplyEvent<\/span>(<\/span>Event @event<\/span>)<\/span><\/span>\n    <\/span>{<\/span><\/span>\n        <\/span>if<\/span> <\/span>(<\/span>@event<\/span> <\/span>==<\/span> <\/span>Event<\/span>.<\/span>MERCADORIA_ENTREGUE<\/span>)<\/span><\/span>\n            <\/span>Status<\/span> <\/span>=<\/span> <\/span>"<\/span>entregue<\/span>"<\/span>;<\/span><\/span>\n        <\/span>else<\/span> <\/span>if<\/span> <\/span>(<\/span>@event<\/span> <\/span>==<\/span> <\/span>Event<\/span>.<\/span>MERCADORIA_PERDIDA<\/span>)<\/span><\/span>\n            <\/span>Status<\/span> <\/span>=<\/span> <\/span>"<\/span>perdida<\/span>"<\/span>;<\/span><\/span>\n        <\/span>else<\/span> <\/span>if<\/span> <\/span>(<\/span>@event<\/span> <\/span>==<\/span> <\/span>Event<\/span>.<\/span>MERCADORIA_ATRASADA<\/span>)<\/span><\/span>\n            <\/span>Status<\/span> <\/span>=<\/span> <\/span>"<\/span>atrasada<\/span>"<\/span>;<\/span><\/span>\n    <\/span>}<\/span><\/span>\n<\/span>\n    <\/span>public<\/span> <\/span>void<\/span> <\/span>ProcessCommand<\/span>(<\/span>Command command<\/span>)<\/span><\/span>\n    <\/span>{<\/span><\/span>\n        <\/span>if<\/span> <\/span>(<\/span>command<\/span> <\/span>==<\/span> <\/span>Command<\/span>.<\/span>INICIAR_ENTREGA<\/span>)<\/span><\/span>\n            <\/span>ApplyEvent<\/span>(<\/span>Event<\/span>.<\/span>MERCADORIA_ENTREGUE<\/span>)<\/span>;<\/span><\/span>\n        <\/span>else<\/span> <\/span>if<\/span> <\/span>(<\/span>command<\/span> <\/span>==<\/span> <\/span>Command<\/span>.<\/span>REGISTRAR_PERDA<\/span>)<\/span><\/span>\n            <\/span>ApplyEvent<\/span>(<\/span>Event<\/span>.<\/span>MERCADORIA_PERDIDA<\/span>)<\/span>;<\/span><\/span>\n        <\/span>else<\/span> <\/span>if<\/span> <\/span>(<\/span>command<\/span> <\/span>==<\/span> <\/span>Command<\/span>.<\/span>REGISTRAR_ATRASO<\/span>)<\/span><\/span>\n            <\/span>ApplyEvent<\/span>(<\/span>Event<\/span>.<\/span>MERCADORIA_ATRASADA<\/span>)<\/span>;<\/span><\/span>\n    <\/span>}<\/span><\/span>\n}<\/span><\/span>\n<\/span>\n\/\/ Exemplo de utiliza\u00e7\u00e3o do Event Storming<\/span><\/span>\nclass<\/span> <\/span>Program<\/span><\/span>\n{<\/span><\/span>\n    <\/span>static<\/span> <\/span>void<\/span> <\/span>Main<\/span>(<\/span>string<\/span>[]<\/span> args<\/span>)<\/span><\/span>\n    <\/span>{<\/span><\/span>\n        <\/span>\/\/ Criando uma inst\u00e2ncia do agregado de entrega de mercadorias<\/span><\/span>\n        DeliveryAggregate delivery <\/span>=<\/span> <\/span>new<\/span> DeliveryAggregate<\/span>()<\/span>;<\/span><\/span>\n<\/span>\n        <\/span>\/\/ Simulando eventos ocorridos no processo de entrega<\/span><\/span>\n        Event<\/span>[]<\/span> events <\/span>=<\/span> <\/span>{<\/span><\/span>\n            <\/span>Event<\/span>.<\/span>MERCADORIA_ENTREGUE<\/span>,<\/span><\/span>\n            <\/span>Event<\/span>.<\/span>MERCADORIA_ATRASADA<\/span>,<\/span><\/span>\n            <\/span>Event<\/span>.<\/span>MERCADORIA_PERDIDA<\/span><\/span>\n        <\/span>}<\/span>;<\/span><\/span>\n<\/span>\n        <\/span>\/\/ Aplicando os eventos no agregado<\/span><\/span>\n        <\/span>foreach<\/span> <\/span>(<\/span>Event @event <\/span>in<\/span> <\/span>events<\/span>)<\/span><\/span>\n        <\/span>{<\/span><\/span>\n            <\/span>delivery<\/span>.<\/span>ApplyEvent<\/span>(<\/span>@event<\/span>)<\/span>;<\/span><\/span>\n        <\/span>}<\/span><\/span>\n<\/span>\n        <\/span>\/\/ Verificando o status final da entrega<\/span><\/span>\n        <\/span>Console<\/span>.<\/span>WriteLine<\/span>(<\/span>$"<\/span>Status da entrega: <\/span>{<\/span>delivery<\/span>.<\/span>Status<\/span>}"<\/span>)<\/span>;<\/span><\/span>\n    <\/span>}<\/span><\/span>\n}<\/span><\/span>\n<\/span>\n\/\/ Fonte: ChatGPT<\/span><\/span><\/code><\/pre><\/div>\n\n\n\n
Neste exemplo em C#, as enumera\u00e7\u00f5es Event<\/code> e Command<\/code> s\u00e3o usadas para representar os eventos e comandos relacionados \u00e0 entrega de mercadorias. A classe DeliveryAggregate<\/code> representa o estado da entrega e possui m\u00e9todos para aplicar eventos e processar comandos. No m\u00e9todo Main<\/code>, simulamos uma s\u00e9rie de eventos ocorridos no processo de entrega e, em seguida, exibimos o status final da entrega.<\/p>\n\n\n\n
Exemplo de implementa\u00e7\u00e3o em Java<\/h3>\n\n\n\n
Java<\/span><\/path><\/path><\/svg><\/span>
\/\/ Definindo eventos relacionados \u00e0 entrega de mercadorias<\/span><\/span>\nenum<\/span> Event <\/span>{<\/span><\/span>\n    <\/span>MERCADORIA_ENTREGUE<\/span>,<\/span><\/span>\n    <\/span>MERCADORIA_PERDIDA<\/span>,<\/span><\/span>\n    <\/span>MERCADORIA_ATRASADA<\/span><\/span>\n}<\/span><\/span>\n<\/span>\n\/\/ Definindo comandos relacionados \u00e0 entrega de mercadorias<\/span><\/span>\nenum<\/span> Command <\/span>{<\/span><\/span>\n    <\/span>INICIAR_ENTREGA<\/span>,<\/span><\/span>\n    <\/span>REGISTRAR_PERDA<\/span>,<\/span><\/span>\n    <\/span>REGISTRAR_ATRASO<\/span><\/span>\n}<\/span><\/span>\n<\/span>\n\/\/ Definindo o agregado relacionado \u00e0 entrega de mercadorias<\/span><\/span>\nclass<\/span> <\/span>DeliveryAggregate<\/span> <\/span>{<\/span><\/span>\n    <\/span>private<\/span> <\/span>String<\/span> <\/span>status<\/span>;<\/span><\/span>\n<\/span>\n    <\/span>public<\/span> <\/span>DeliveryAggregate<\/span>()<\/span> <\/span>{<\/span><\/span>\n        status <\/span>=<\/span> <\/span>"<\/span>pendente<\/span>"<\/span>;<\/span><\/span>\n    <\/span>}<\/span><\/span>\n<\/span>\n    <\/span>public<\/span> <\/span>void<\/span> <\/span>applyEvent<\/span>(<\/span>Event<\/span> <\/span>event<\/span>)<\/span> <\/span>{<\/span><\/span>\n        <\/span>if<\/span> <\/span>(<\/span>event <\/span>==<\/span> <\/span>Event<\/span>.<\/span>MERCADORIA_ENTREGUE<\/span>)<\/span><\/span>\n            status <\/span>=<\/span> <\/span>"<\/span>entregue<\/span>"<\/span>;<\/span><\/span>\n        <\/span>else<\/span> <\/span>if<\/span> <\/span>(<\/span>event <\/span>==<\/span> <\/span>Event<\/span>.<\/span>MERCADORIA_PERDIDA<\/span>)<\/span><\/span>\n            status <\/span>=<\/span> <\/span>"<\/span>perdida<\/span>"<\/span>;<\/span><\/span>\n        <\/span>else<\/span> <\/span>if<\/span> <\/span>(<\/span>event <\/span>==<\/span> <\/span>Event<\/span>.<\/span>MERCADORIA_ATRASADA<\/span>)<\/span><\/span>\n            status <\/span>=<\/span> <\/span>"<\/span>atrasada<\/span>"<\/span>;<\/span><\/span>\n    <\/span>}<\/span><\/span>\n<\/span>\n    <\/span>public<\/span> <\/span>void<\/span> <\/span>processCommand<\/span>(<\/span>Command<\/span> <\/span>command<\/span>)<\/span> <\/span>{<\/span><\/span>\n        <\/span>if<\/span> <\/span>(<\/span>command <\/span>==<\/span> <\/span>Command<\/span>.<\/span>INICIAR_ENTREGA<\/span>)<\/span><\/span>\n            <\/span>applyEvent<\/span>(<\/span>Event<\/span>.<\/span>MERCADORIA_ENTREGUE<\/span>)<\/span>;<\/span><\/span>\n        <\/span>else<\/span> <\/span>if<\/span> <\/span>(<\/span>command <\/span>==<\/span> <\/span>Command<\/span>.<\/span>REGISTRAR_PERDA<\/span>)<\/span><\/span>\n            <\/span>applyEvent<\/span>(<\/span>Event<\/span>.<\/span>MERCADORIA_PERDIDA<\/span>)<\/span>;<\/span><\/span>\n        <\/span>else<\/span> <\/span>if<\/span> <\/span>(<\/span>command <\/span>==<\/span> <\/span>Command<\/span>.<\/span>REGISTRAR_ATRASO<\/span>)<\/span><\/span>\n            <\/span>applyEvent<\/span>(<\/span>Event<\/span>.<\/span>MERCADORIA_ATRASADA<\/span>)<\/span>;<\/span><\/span>\n    <\/span>}<\/span><\/span>\n<\/span>\n    <\/span>public<\/span> <\/span>String<\/span> <\/span>getStatus<\/span>()<\/span> <\/span>{<\/span><\/span>\n        <\/span>return<\/span> status<\/span>;<\/span><\/span>\n    <\/span>}<\/span><\/span>\n}<\/span><\/span>\n<\/span>\n\/\/ Exemplo de utiliza\u00e7\u00e3o do Event Storming<\/span><\/span>\npublic<\/span> <\/span>class<\/span> <\/span>Main<\/span> <\/span>{<\/span><\/span>\n    <\/span>public<\/span> <\/span>static<\/span> <\/span>void<\/span> <\/span>main<\/span>(<\/span>String<\/span>[]<\/span> <\/span>args<\/span>)<\/span> <\/span>{<\/span><\/span>\n        <\/span>\/\/ Criando uma inst\u00e2ncia do agregado de entrega de mercadorias<\/span><\/span>\n        <\/span>DeliveryAggregate<\/span> <\/span>delivery<\/span> <\/span>=<\/span> <\/span>new<\/span> <\/span>DeliveryAggregate<\/span>()<\/span>;<\/span><\/span>\n<\/span>\n        <\/span>\/\/ Simulando eventos ocorridos no processo de entrega<\/span><\/span>\n        <\/span>Event<\/span>[]<\/span> <\/span>events<\/span> <\/span>=<\/span> <\/span>{<\/span><\/span>\n                <\/span>Event<\/span>.<\/span>MERCADORIA_ENTREGUE<\/span>,<\/span><\/span>\n                <\/span>Event<\/span>.<\/span>MERCADORIA_ATRASADA<\/span>,<\/span><\/span>\n                <\/span>Event<\/span>.<\/span>MERCADORIA_PERDIDA<\/span><\/span>\n        <\/span>}<\/span>;<\/span><\/span>\n<\/span>\n        <\/span>\/\/ Aplicando os eventos no agregado<\/span><\/span>\n        <\/span>for<\/span> <\/span>(<\/span>Event<\/span> <\/span>event<\/span> <\/span>:<\/span> events<\/span>)<\/span> <\/span>{<\/span><\/span>\n            <\/span>delivery<\/span>.<\/span>applyEvent<\/span>(<\/span>event<\/span>)<\/span>;<\/span><\/span>\n        <\/span>}<\/span><\/span>\n<\/span>\n        <\/span>\/\/ Verificando o status final da entrega<\/span><\/span>\n        <\/span>System<\/span>.<\/span>out<\/span>.<\/span>println<\/span>(<\/span>"<\/span>Status da entrega: <\/span>"<\/span> <\/span>+<\/span> <\/span>delivery<\/span>.<\/span>getStatus<\/span>())<\/span>;<\/span><\/span>\n    <\/span>}<\/span><\/span>\n}<\/span><\/span>\n<\/span>\n\/\/Fonte: ChatGPT<\/span><\/span><\/code><\/pre><\/div>\n\n\n\n
Neste exemplo em Java, as enumera\u00e7\u00f5es Event<\/code> e Command<\/code> s\u00e3o utilizadas para representar os eventos e comandos relacionados \u00e0 entrega de mercadorias. A classe DeliveryAggregate<\/code> representa o estado da entrega e possui m\u00e9todos para aplicar eventos e processar comandos. No m\u00e9todo main<\/code>, simulamos uma s\u00e9rie de eventos ocorridos no processo de entrega e, em seguida, exibimos o status final da entrega.<\/p>\n\n\n\n
Exemplo de implementa\u00e7\u00e3o em Python<\/h3>\n\n\n\n
Python<\/span><\/path><\/path><\/svg><\/span>
# Importando a biblioteca para manipula\u00e7\u00e3o de eventos<\/span><\/span>\nfrom<\/span> enum <\/span>import<\/span> Enum<\/span><\/span>\n<\/span>\n# Definindo eventos relacionados \u00e0 entrega de mercadorias<\/span><\/span>\nclass<\/span> <\/span>Event<\/span>(<\/span>Enum<\/span>):<\/span><\/span>\n    MERCADORIA_ENTREGUE <\/span>=<\/span> <\/span>'<\/span>mercadoria_entregue<\/span>'<\/span><\/span>\n    MERCADORIA_PERDIDA <\/span>=<\/span> <\/span>'<\/span>mercadoria_perdida<\/span>'<\/span><\/span>\n    MERCADORIA_ATRASADA <\/span>=<\/span> <\/span>'<\/span>mercadoria_atrasada<\/span>'<\/span><\/span>\n<\/span>\n# Definindo comandos relacionados \u00e0 entrega de mercadorias<\/span><\/span>\nclass<\/span> <\/span>Command<\/span>(<\/span>Enum<\/span>):<\/span><\/span>\n    INICIAR_ENTREGA <\/span>=<\/span> <\/span>'<\/span>iniciar_entrega<\/span>'<\/span><\/span>\n    REGISTRAR_PERDA <\/span>=<\/span> <\/span>'<\/span>registrar_perda<\/span>'<\/span><\/span>\n    REGISTRAR_ATRASO <\/span>=<\/span> <\/span>'<\/span>registrar_atraso<\/span>'<\/span><\/span>\n<\/span>\n# Definindo o agregado relacionado \u00e0 entrega de mercadorias<\/span><\/span>\nclass<\/span> <\/span>DeliveryAggregate<\/span>:<\/span><\/span>\n    <\/span>def<\/span> <\/span>__init__<\/span>(<\/span>self<\/span>):<\/span><\/span>\n        <\/span>self<\/span>.<\/span>status <\/span>=<\/span> <\/span>'<\/span>pendente<\/span>'<\/span><\/span>\n    <\/span><\/span>\n    <\/span>def<\/span> <\/span>apply_event<\/span>(<\/span>self<\/span>,<\/span> <\/span>event<\/span>):<\/span><\/span>\n        <\/span>if<\/span> event <\/span>==<\/span> Event<\/span>.<\/span>MERCADORIA_ENTREGUE<\/span>:<\/span><\/span>\n            <\/span>self<\/span>.<\/span>status <\/span>=<\/span> <\/span>'<\/span>entregue<\/span>'<\/span><\/span>\n        <\/span>elif<\/span> event <\/span>==<\/span> Event<\/span>.<\/span>MERCADORIA_PERDIDA<\/span>:<\/span><\/span>\n            <\/span>self<\/span>.<\/span>status <\/span>=<\/span> <\/span>'<\/span>perdida<\/span>'<\/span><\/span>\n        <\/span>elif<\/span> event <\/span>==<\/span> Event<\/span>.<\/span>MERCADORIA_ATRASADA<\/span>:<\/span><\/span>\n            <\/span>self<\/span>.<\/span>status <\/span>=<\/span> <\/span>'<\/span>atrasada<\/span>'<\/span><\/span>\n    <\/span><\/span>\n    <\/span>def<\/span> <\/span>process_command<\/span>(<\/span>self<\/span>,<\/span> <\/span>command<\/span>):<\/span><\/span>\n        <\/span>if<\/span> command <\/span>==<\/span> Command<\/span>.<\/span>INICIAR_ENTREGA<\/span>:<\/span><\/span>\n            <\/span>self<\/span>.<\/span>apply_event<\/span>(<\/span>Event<\/span>.<\/span>MERCADORIA_ENTREGUE<\/span>)<\/span><\/span>\n        <\/span>elif<\/span> command <\/span>==<\/span> Command<\/span>.<\/span>REGISTRAR_PERDA<\/span>:<\/span><\/span>\n            <\/span>self<\/span>.<\/span>apply_event<\/span>(<\/span>Event<\/span>.<\/span>MERCADORIA_PERDIDA<\/span>)<\/span><\/span>\n        <\/span>elif<\/span> command <\/span>==<\/span> Command<\/span>.<\/span>REGISTRAR_ATRASO<\/span>:<\/span><\/span>\n            <\/span>self<\/span>.<\/span>apply_event<\/span>(<\/span>Event<\/span>.<\/span>MERCADORIA_ATRASADA<\/span>)<\/span><\/span>\n<\/span>\n# Exemplo de utiliza\u00e7\u00e3o do Event Storming<\/span><\/span>\ndef<\/span> <\/span>main<\/span>():<\/span><\/span>\n    <\/span># Criando uma inst\u00e2ncia do agregado de entrega de mercadorias<\/span><\/span>\n    delivery <\/span>=<\/span> <\/span>DeliveryAggregate<\/span>()<\/span><\/span>\n<\/span>\n    <\/span># Simulando eventos ocorridos no processo de entrega<\/span><\/span>\n    events <\/span>=<\/span> <\/span>[<\/span><\/span>\n        Event<\/span>.<\/span>MERCADORIA_ENTREGUE<\/span>,<\/span><\/span>\n        Event<\/span>.<\/span>MERCADORIA_ATRASADA<\/span>,<\/span><\/span>\n        Event<\/span>.<\/span>MERCADORIA_PERDIDA<\/span><\/span>\n    <\/span>]<\/span><\/span>\n<\/span>\n    <\/span># Aplicando os eventos no agregado<\/span><\/span>\n    <\/span>for<\/span> event <\/span>in<\/span> events<\/span>:<\/span><\/span>\n        delivery<\/span>.<\/span>apply_event<\/span>(<\/span>event<\/span>)<\/span><\/span>\n<\/span>\n    <\/span># Verificando o status final da entrega<\/span><\/span>\n    <\/span>print<\/span>(<\/span>f<\/span>'Status da entrega: <\/span>{<\/span>delivery<\/span>.<\/span>status<\/span>}<\/span>'<\/span>)<\/span><\/span>\n<\/span>\nif<\/span> __name__ <\/span>==<\/span> <\/span>'<\/span>__main__<\/span>'<\/span>:<\/span><\/span>\n    <\/span>main<\/span>()<\/span><\/span>\n<\/span>\n# Fonte: ChatGPT<\/span><\/span><\/code><\/pre><\/div>\n\n\n\n
Neste exemplo, utilizamos enums (Event<\/code> e Command<\/code>) para representar os eventos e comandos relacionados \u00e0 entrega de mercadorias. O agregado DeliveryAggregate<\/code> representa o estado da entrega e cont\u00e9m m\u00e9todos para aplicar eventos e processar comandos. No exemplo main()<\/code>, simulamos uma s\u00e9rie de eventos ocorridos no processo de entrega e, em seguida, verificamos o status final da entrega.<\/p>\n\n\n\n
Os desafios do Event Storming<\/em><\/h2>\n\n\n\n
Dificuldades comuns<\/h3>\n\n\n\n
Alguns desafios podem surgir ao implementar o Event Storming<\/em>, como a resist\u00eancia da equipe e a complexidade do dom\u00ednio.<\/p>\n\n\n\n
Como superar esses desafios<\/h3>\n\n\n\n
O sucesso do Event Storming<\/em> depende do envolvimento de todos os stakeholders<\/em> e de uma lideran\u00e7a eficaz.<\/p>\n\n\n\n
Por que as empresas deveriam adotar o Event Storming<\/em>?<\/h2>\n\n\n\n
Vantagens competitivas<\/h3>\n\n\n\n
O Event Storming<\/em> proporciona vantagens competitivas ao permitir uma compreens\u00e3o mais profunda do neg\u00f3cio e a identifica\u00e7\u00e3o de oportunidades de inova\u00e7\u00e3o.<\/p>\n\n\n\n
Benef\u00edcios a longo prazo<\/h3>\n\n\n\n
Os benef\u00edcios a longo prazo incluem uma melhor colabora\u00e7\u00e3o entre as equipes, processos de neg\u00f3cios mais eficientes e produtos de maior qualidade.<\/p>\n\n\n\n
Conclus\u00e3o<\/h2>\n\n\n\n
O Event Storming<\/em> \u00e9 uma t\u00e9cnica poderosa que, quando bem aplicada, pode trazer insights<\/em> valiosos sobre o dom\u00ednio de neg\u00f3cio. Ele \u00e9 mais do que uma ferramenta t\u00e9cnica; \u00e9 uma maneira de conectar pessoas, ideias e neg\u00f3cios.<\/p>\n\n\n\n
Esse conte\u00fado \u00e9 parte do material disponibilizado para os participantes do meu grupo de estudos de\u00a0DDD do Jeito Certo<\/strong>. Voc\u00ea quer participar desse grupo?\u00a0Clique aqui e veja como funciona<\/a><\/strong>.<\/p>\n\n\n\n
D\u00favidas Frequentes<\/h2>\n\n\n\n
O que \u00e9 Event Storming<\/em>?<\/strong>
O Event Storming<\/em> \u00e9 uma t\u00e9cnica de modelagem de dom\u00ednio que permite a explora\u00e7\u00e3o colaborativa e o entendimento de um dom\u00ednio espec\u00edfico de neg\u00f3cios. \u00c9 um processo que envolve mapear eventos, comandos e agregados, a fim de compreender melhor o fluxo de neg\u00f3cios, identificar problemas e descobrir oportunidades de inova\u00e7\u00e3o.<\/p>\n\n\n\n
Como funciona o Event Storming<\/em>?<\/strong>
O Event Storming<\/em> funciona atrav\u00e9s de sess\u00f5es de brainstorming nas quais os participantes mapeiam os eventos de neg\u00f3cios usando post-its de cores diferentes para representar diferentes elementos do dom\u00ednio. O objetivo \u00e9 criar uma representa\u00e7\u00e3o visual do fluxo de eventos de neg\u00f3cios, o que facilita a identifica\u00e7\u00e3o de problemas e oportunidades.<\/p>\n\n\n\n
Por que usar Event Storming<\/em> e Domain-Driven Design<\/em> juntos?<\/strong>
O Event Storming<\/em> e o Domain-Driven Design<\/em> se complementam porque ambos buscam entender a l\u00f3gica de neg\u00f3cios de uma organiza\u00e7\u00e3o. O Event Storming<\/em> ajuda a mapear e visualizar o fluxo de eventos de neg\u00f3cios, enquanto o Domain-Driven Design<\/em> se concentra no desenvolvimento de software que reflete essa l\u00f3gica de neg\u00f3cios. A combina\u00e7\u00e3o dessas duas t\u00e9cnicas pode resultar em uma compreens\u00e3o mais profunda do dom\u00ednio e na identifica\u00e7\u00e3o de poss\u00edveis melhorias.<\/p>\n\n\n\n
Quais s\u00e3o os desafios do Event Storming<\/em>?<\/strong>
Alguns dos desafios do Event Storming<\/em> incluem a resist\u00eancia de membros da equipe, a dificuldade em mapear dom\u00ednios complexos e a necessidade de envolvimento ativo de todos os stakeholders<\/em>. Para superar esses desafios, \u00e9 importante garantir que todos os participantes entendam o valor do Event Storming<\/em> e estejam comprometidos com o processo.<\/p>\n\n\n\n
Por que as empresas deveriam adotar o Event Storming<\/em>?<\/strong>
As empresas podem se beneficiar do Event Storming<\/em> de v\u00e1rias maneiras. Ele pode proporcionar uma compreens\u00e3o mais profunda do neg\u00f3cio, identificar oportunidades de inova\u00e7\u00e3o e melhorar a colabora\u00e7\u00e3o entre equipes. Al\u00e9m disso, o Event Storming<\/em> pode ajudar a identificar problemas e inefici\u00eancias nos fluxos de neg\u00f3cios, levando a processos mais eficientes e produtos de maior qualidade.<\/p>\n","protected":false},"featured_media":4686,"parent":0,"template":"","cursos":[12],"class_list":["post-4668","artigos","type-artigos","status-publish","has-post-thumbnail","hentry","cursos-ddd-do-jeito-certo"],"acf":[],"_links":{"self":[{"href":"https:\/\/elemarjr.com\/clube-de-estudos\/wp-json\/wp\/v2\/artigos\/4668","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/elemarjr.com\/clube-de-estudos\/wp-json\/wp\/v2\/artigos"}],"about":[{"href":"https:\/\/elemarjr.com\/clube-de-estudos\/wp-json\/wp\/v2\/types\/artigos"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/elemarjr.com\/clube-de-estudos\/wp-json\/wp\/v2\/media\/4686"}],"wp:attachment":[{"href":"https:\/\/elemarjr.com\/clube-de-estudos\/wp-json\/wp\/v2\/media?parent=4668"}],"wp:term":[{"taxonomy":"cursos","embeddable":true,"href":"https:\/\/elemarjr.com\/clube-de-estudos\/wp-json\/wp\/v2\/cursos?post=4668"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}