Fixade inject.

Author: Peter Vestlin

src/main/kotlin/nu/westlin/kartrepo/Application.kt

@@ -9,7 +9,7 @@ import org.springframework.context.annotation.Bean
 open class Application {
 
     @Bean
-    open fun init(repository: KartRepository) = CommandLineRunner {
+    open fun init(repository: JdbcKartRepository) = CommandLineRunner {
         repository.store(Driver("pwestlin", "Peter", "Westlin"))
         repository.store(Driver("awestlin", "Adam", "Westlin"))
         repository.store(Driver("fwestlin", "Felix", "Westlin"))

src/main/kotlin/nu/westlin/kartrepo/JdbcKartRepository.kt

@@ -0,0 +1,43 @@
+package nu.westlin.kartrepo
+
+import org.springframework.beans.factory.annotation.Autowired
+import org.springframework.jdbc.JdbcUpdateAffectedIncorrectNumberOfRowsException
+import org.springframework.jdbc.core.JdbcOperations
+import org.springframework.jdbc.core.RowMapper
+import org.springframework.stereotype.Repository
+import java.sql.ResultSet
+import java.sql.SQLException
+
+@Repository
+open class JdbcKartRepository @Autowired constructor(var jdbcOperations: JdbcOperations) : KartRepository {
+
+    override fun store(user: Driver) {
+        val rows: Int = jdbcOperations.update("insert into driver(alias, firstname, lastname) values(?,?,?)",
+                user.alias, user.firstname, user.lastname)
+        if (rows != 1)
+            throw JdbcUpdateAffectedIncorrectNumberOfRowsException("Expected 1 row, got $rows", 0, rows)
+    }
+
+    override fun load(alias: String): Driver {
+        return jdbcOperations.queryForObject("select alias,firstname,lastname from driver where alias=?", DriverRowMapper(), alias)
+    }
+
+    override fun all(): List<Driver> {
+        return jdbcOperations.query<Driver>("select alias,firstname,lastname from driver", DriverRowMapper())
+    }
+
+    class DriverRowMapper : RowMapper<Driver> {
+
+        @Throws(SQLException::class)
+        override fun mapRow(rs: ResultSet, rowNum: Int): Driver {
+            return Driver(
+                    rs.getString("alias"),
+                    rs.getString("firstname"),
+                    rs.getString("lastname")
+            )
+        }
+
+    }
+
+}
+

src/main/kotlin/nu/westlin/kartrepo/KartController.kt

@@ -3,21 +3,10 @@ package nu.westlin.kartrepo
 import org.springframework.beans.factory.annotation.Autowired
 import org.springframework.dao.IncorrectResultSizeDataAccessException
 import org.springframework.http.HttpStatus
-import org.springframework.jdbc.core.JdbcOperations
 import org.springframework.web.bind.annotation.*
 
 @RestController
-open class KartController @Autowired constructor(val kartRepository: KartRepository, val jdbcOperations: JdbcOperations) {
-
-    init {
-        println("jdbcOperations = ${jdbcOperations}")
-        println("kartRepository = ${kartRepository}")
-        println("kartRepository.jdbcOperations = ${kartRepository.jdbcOperations}")
-        // Jag får inte jdbcOperations att sättas automatiskt :(
-        kartRepository.jdbcOperations = jdbcOperations
-        println("kartRepository.jdbcOperations = ${kartRepository.jdbcOperations}")
-    }
-
+open class KartController @Autowired constructor(val kartRepository: KartRepository) {
 
     @RequestMapping("/driver")
     fun greeting(@RequestParam(value = "username", defaultValue = "pwestlin") username: String): Driver {

src/main/kotlin/nu/westlin/kartrepo/KartRepository.kt

@@ -1,44 +1,13 @@
 package nu.westlin.kartrepo
 
-import org.springframework.beans.factory.annotation.Autowired
-import org.springframework.jdbc.JdbcUpdateAffectedIncorrectNumberOfRowsException
 import org.springframework.jdbc.core.JdbcOperations
-import org.springframework.jdbc.core.RowMapper
-import org.springframework.stereotype.Repository
-import org.springframework.transaction.PlatformTransactionManager
-import java.sql.ResultSet
-import java.sql.SQLException
 
-@Repository
-// jdbcOperations ska vara val och inte var men jag får inte jdbcOperations att sättas automatiskt :(
-open class KartRepository @Autowired constructor(var jdbcOperations: JdbcOperations, val transactionManager: PlatformTransactionManager) {
+interface KartRepository {
 
-    fun store(user: Driver) {
-        val rows: Int = jdbcOperations.update("insert into driver(alias, firstname, lastname) values(?,?,?)",
-                user.alias, user.firstname, user.lastname)
-        if (rows != 1)
-            throw JdbcUpdateAffectedIncorrectNumberOfRowsException("Expected 1 row, got $rows", 0, rows)
-    }
+    fun store(user: Driver)
 
-    fun load(alias: String): Driver {
-        return jdbcOperations.queryForObject("select alias,firstname,lastname from driver where alias=?", DriverRowMapper(), alias)
-    }
+    fun load(alias: String): Driver
 
-    class DriverRowMapper : RowMapper<Driver> {
+    fun all(): List<Driver>
 
-        @Throws(SQLException::class)
-        override fun mapRow(rs: ResultSet, rowNum: Int): Driver {
-            return Driver(
-                    rs.getString("alias"),
-                    rs.getString("firstname"),
-                    rs.getString("lastname")
-            )
-        }
-
-    }
-
-    fun all(): List<Driver> {
-        return jdbcOperations.query<Driver>("select alias,firstname,lastname from driver", DriverRowMapper())
-    }
-
-}
+}