Add basis domain logic and adapter for article impls

src/main/kotlin/com/cubetiqs/hexagonal/HexagonalArchitectApplication.kt

@@ -1,10 +1,33 @@
 package com.cubetiqs.hexagonal
 
+import com.cubetiqs.hexagonal.infrastructure.adapter.cli.ArticleCli
+import com.cubetiqs.hexagonal.infrastructure.adapter.persistence.ArticleImMemoryDataAdapter
+import org.slf4j.LoggerFactory
+import org.springframework.boot.CommandLineRunner
 import org.springframework.boot.autoconfigure.SpringBootApplication
 import org.springframework.boot.runApplication
 
 @SpringBootApplication
-class HexagonalArchitectApplication
+class HexagonalArchitectApplication : CommandLineRunner {
+	private val logger = LoggerFactory.getLogger(HexagonalArchitectApplication::class.java)
+
+	override fun run(vararg args: String?) {
+		// create cli instance
+		val cli = ArticleCli(ArticleImMemoryDataAdapter())
+
+		// create new article object via cli
+		val article = cli.create(1L, "Article 1", "Description 1")
+		logger.info("Article created: {}", article)
+
+		// retrieve article via cli
+		val articleRetrieve = cli.retrieve(1L)
+		logger.info("Article retrieved: {}", articleRetrieve)
+
+		// query articles via cli
+		val articleQuery = cli.query(1L)
+		logger.info("Query found articles: {}", articleQuery)
+	}
+}
 
 fun main(args: Array<String>) {
 	runApplication<HexagonalArchitectApplication>(*args)

src/main/kotlin/com/cubetiqs/hexagonal/domain/article/ArticleCreateUseCase.kt

@@ -0,0 +1,13 @@
+package com.cubetiqs.hexagonal.domain.article
+
+import com.cubetiqs.hexagonal.domain.article.model.Article
+import com.cubetiqs.hexagonal.domain.article.port.ArticlePort
+import com.cubetiqs.hexagonal.domain.article.usecase.ArticleCreate
+
+class ArticleCreateUseCase constructor(
+    private val articlePort: ArticlePort,
+) {
+    fun create(useCase: ArticleCreate): Article {
+        return articlePort.create(useCase)
+    }
+}

src/main/kotlin/com/cubetiqs/hexagonal/domain/article/ArticleQueryUseCase.kt

@@ -0,0 +1,13 @@
+package com.cubetiqs.hexagonal.domain.article
+
+import com.cubetiqs.hexagonal.domain.article.model.Article
+import com.cubetiqs.hexagonal.domain.article.port.ArticlePort
+import com.cubetiqs.hexagonal.domain.article.usecase.ArticleQuery
+
+class ArticleQueryUseCase constructor(
+    private val articlePort: ArticlePort,
+) {
+    fun query(useCase: ArticleQuery): Collection<Article> {
+        return articlePort.query(useCase)
+    }
+}

src/main/kotlin/com/cubetiqs/hexagonal/domain/article/ArticleRetrieveUseCase.kt

@@ -0,0 +1,13 @@
+package com.cubetiqs.hexagonal.domain.article
+
+import com.cubetiqs.hexagonal.domain.article.model.Article
+import com.cubetiqs.hexagonal.domain.article.port.ArticlePort
+import com.cubetiqs.hexagonal.domain.article.usecase.ArticleRetrieve
+
+class ArticleRetrieveUseCase constructor(
+    private val articlePort: ArticlePort,
+) {
+    fun retrieve(useCase: ArticleRetrieve): Article {
+        return articlePort.retrieve(useCase.id)
+    }
+}

src/main/kotlin/com/cubetiqs/hexagonal/domain/article/model/Article.kt

@@ -0,0 +1,12 @@
+package com.cubetiqs.hexagonal.domain.article.model
+
+open class Article (
+    var id: Long? = null,
+    var accountId: Long? = null,
+    var title: String? = null,
+    var body: String? = null,
+) {
+    override fun toString(): String {
+        return "Article(id=$id, accountId=$accountId, title=$title, body=$body)"
+    }
+}

src/main/kotlin/com/cubetiqs/hexagonal/domain/article/port/ArticlePort.kt

@@ -0,0 +1,11 @@
+package com.cubetiqs.hexagonal.domain.article.port
+
+import com.cubetiqs.hexagonal.domain.article.model.Article
+import com.cubetiqs.hexagonal.domain.article.usecase.ArticleCreate
+import com.cubetiqs.hexagonal.domain.article.usecase.ArticleQuery
+
+interface ArticlePort {
+    fun create(article: ArticleCreate): Article
+    fun retrieve(id: Long): Article
+    fun query(query: ArticleQuery): Collection<Article>
+}

src/main/kotlin/com/cubetiqs/hexagonal/domain/article/usecase/ArticleCreate.kt

@@ -0,0 +1,11 @@
+package com.cubetiqs.hexagonal.domain.article.usecase
+
+open class ArticleCreate(
+    var accountId: Long? = null,
+    var title: String? = null,
+    var body: String? = null,
+) {
+    override fun toString(): String {
+        return "ArticleCreate(accountId=$accountId, title=$title, body=$body)"
+    }
+}

src/main/kotlin/com/cubetiqs/hexagonal/domain/article/usecase/ArticleQuery.kt

@@ -0,0 +1,15 @@
+package com.cubetiqs.hexagonal.domain.article.usecase
+
+open class ArticleQuery(
+    var accountId: Long,
+) {
+    companion object {
+        fun from(accountId: Long): ArticleQuery {
+            return ArticleQuery(accountId)
+        }
+    }
+
+    override fun toString(): String {
+        return "ArticleQuery(accountId=$accountId)"
+    }
+}

src/main/kotlin/com/cubetiqs/hexagonal/domain/article/usecase/ArticleRetrieve.kt

@@ -0,0 +1,15 @@
+package com.cubetiqs.hexagonal.domain.article.usecase
+
+open class ArticleRetrieve(
+    var id: Long,
+) {
+    companion object {
+        fun from(id: Long): ArticleRetrieve {
+            return ArticleRetrieve(id)
+        }
+    }
+
+    override fun toString(): String {
+        return "ArticleRetrieve(id=$id)"
+    }
+}

src/main/kotlin/com/cubetiqs/hexagonal/infrastructure/adapter/cli/ArticleCli.kt

@@ -0,0 +1,23 @@
+package com.cubetiqs.hexagonal.infrastructure.adapter.cli
+
+import com.cubetiqs.hexagonal.domain.article.model.Article
+import com.cubetiqs.hexagonal.domain.article.port.ArticlePort
+import com.cubetiqs.hexagonal.domain.article.usecase.ArticleCreate
+import com.cubetiqs.hexagonal.domain.article.usecase.ArticleQuery
+
+class ArticleCli constructor(
+    private val articlePort: ArticlePort,
+) {
+    fun create(accountId: Long, title: String, body: String): Article {
+        val article = ArticleCreate(accountId, title, body)
+        return articlePort.create(article)
+    }
+
+    fun retrieve(id: Long): Article {
+        return articlePort.retrieve(id)
+    }
+
+    fun query(accountId: Long): Collection<Article> {
+        return articlePort.query(ArticleQuery.from(accountId))
+    }
+}

src/main/kotlin/com/cubetiqs/hexagonal/infrastructure/adapter/persistence/ArticleImMemoryDataAdapter.kt

@@ -0,0 +1,30 @@
+package com.cubetiqs.hexagonal.infrastructure.adapter.persistence
+
+import com.cubetiqs.hexagonal.domain.article.model.Article
+import com.cubetiqs.hexagonal.domain.article.port.ArticlePort
+import com.cubetiqs.hexagonal.domain.article.usecase.ArticleCreate
+import com.cubetiqs.hexagonal.domain.article.usecase.ArticleQuery
+import java.util.concurrent.ConcurrentHashMap
+
+class ArticleImMemoryDataAdapter : ArticlePort {
+    companion object {
+        private val articles = ConcurrentHashMap<Long, Article>()
+    }
+
+    override fun create(article: ArticleCreate): Article {
+        val id = (articles.size + 1).toLong()
+        val entity = Article(id, article.accountId, article.title, article.body)
+        articles[id] = entity
+        return entity
+    }
+
+    override fun retrieve(id: Long): Article {
+        return articles[id] ?: throw IllegalArgumentException("Article not found")
+    }
+
+    override fun query(query: ArticleQuery): Collection<Article> {
+        return articles.values.filter {
+            it.accountId == query.accountId
+        }
+    }
+}

src/main/resources/application.properties

@@ -1 +0,0 @@
-

src/main/resources/application.yaml

@@ -0,0 +1,2 @@
+server:
+  port: 8080