Update Kotlin Examples and add a mapping to Java 14 record example

Author: filiphr

mapstruct-kotlin-gradle/src/main/kotlin/org/mapstruct/example/kotlin/dto/PersonDto.kt

@@ -2,9 +2,4 @@ package org.mapstruct.example.kotlin.dto
 
 import java.time.LocalDate
 
-data class PersonDto(var firstName: String?, var lastName: String?, var phone: String?, var birthdate: LocalDate?) {
-
-    // Necessary for MapStruct
-    constructor() : this(null, null, null, null)
-
-}
+data class PersonDto(var firstName: String?, var lastName: String?, var phone: String?, var birthdate: LocalDate?)

mapstruct-kotlin-gradle/src/main/kotlin/org/mapstruct/example/kotlin/model/Person.kt

@@ -2,9 +2,4 @@ package org.mapstruct.example.kotlin.model
 
 import java.time.LocalDate
 
-data class Person(var firstName: String?, var lastName: String?, var phoneNumber: String?, var birthdate: LocalDate?) {
-
-    // Necessary for MapStruct
-    constructor() : this(null, null, null, null)
-
-}
+data class Person(var firstName: String?, var lastName: String?, var phoneNumber: String?, var birthdate: LocalDate?)

mapstruct-kotlin/src/main/kotlin/org/mapstruct/example/kotlin/dto/PersonDto.kt

@@ -2,9 +2,4 @@ package org.mapstruct.example.kotlin.dto
 
 import java.time.LocalDate
 
-data class PersonDto(var firstName: String?, var lastName: String?, var phone: String?, var birthdate: LocalDate?) {
-
-    // Necessary for MapStruct
-    constructor() : this(null, null, null, null)
-
-}
+data class PersonDto(var firstName: String?, var lastName: String?, var phone: String?, var birthdate: LocalDate?)

mapstruct-kotlin/src/main/kotlin/org/mapstruct/example/kotlin/model/Person.kt

@@ -2,9 +2,4 @@ package org.mapstruct.example.kotlin.model
 
 import java.time.LocalDate
 
-data class Person(var firstName: String?, var lastName: String?, var phoneNumber: String?, var birthdate: LocalDate?) {
-
-    // Necessary for MapStruct
-    constructor() : this(null, null, null, null)
-
-}
+data class Person(var firstName: String?, var lastName: String?, var phoneNumber: String?, var birthdate: LocalDate?)

mapstruct-record/src/main/java/org/mapstruct/example/CustomerMapper.java

@@ -5,6 +5,7 @@
  */
 package org.mapstruct.example;
 
+import org.mapstruct.InheritInverseConfiguration;
 import org.mapstruct.Mapper;
 import org.mapstruct.Mapping;
 import org.mapstruct.factory.Mappers;
@@ -20,4 +21,7 @@ public interface CustomerMapper {
     @Mapping(target = "mail", source = "email")
     CustomerEntity fromRecord(CustomerDto record);
 
+    @InheritInverseConfiguration
+    CustomerDto toRecord(CustomerEntity entity);
+
 }

mapstruct-record/src/test/java/org/mapstruct/example/CustomerMapperTest.java

@@ -22,4 +22,17 @@ public void mapRecords() {
         assertThat( customer.getName() ).isEqualTo( "Kermit" );
         assertThat( customer.getMail() ).isEqualTo( "kermit@test.com" );
     }
+
+    @Test
+    public void mapToRecords() {
+        CustomerEntity entity = new CustomerEntity();
+        entity.setName( "Fozzie" );
+        entity.setMail( "fozzie@test.com" );
+
+        CustomerDto customer = CustomerMapper.INSTANCE.toRecord( entity );
+
+        assertThat( customer ).isNotNull();
+        assertThat( customer.name() ).isEqualTo( "Fozzie" );
+        assertThat( customer.email() ).isEqualTo( "fozzie@test.com" );
+    }
 }