Seal interfaces by default

kokuwaio · Aug 24, 2023 · f3c0ba1 · f3c0ba1
1 parent 8fd8350
commit f3c0ba1
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diff --git a/README.md b/README.md
@@ -60,6 +60,7 @@ Include in your `pom.xml`:
 * pagable: generate provider for pagable (default `false`)
 * generateExamples: generate example objects for the model, based on example and default values (default `false`)
 * generateAuthentication: generate Àuthentication into controller interfaces if response code 401 is present (default `false`)
+* sealed: generate sealed interfaces (default `true`)
 
 For examples see [integration tests](src/it).
 

diff --git a/gen/main/java/testmodel/micronaut_pojo/AdditionalPropertiesModelValue.java b/gen/main/java/testmodel/micronaut_pojo/AdditionalPropertiesModelValue.java
@@ -6,4 +6,4 @@
 	@com.fasterxml.jackson.annotation.JsonSubTypes.Type(value = PropertyTypeOne.class),
 	@com.fasterxml.jackson.annotation.JsonSubTypes.Type(value = PropertyTypeTwo.class)
 })
-public interface AdditionalPropertiesModelValue {}
+public sealed interface AdditionalPropertiesModelValue permits PropertyTypeOne, PropertyTypeTwo {}
diff --git a/gen/main/java/testmodel/micronaut_pojo/FirstModel.java b/gen/main/java/testmodel/micronaut_pojo/FirstModel.java
@@ -2,7 +2,7 @@
 
 @jakarta.annotation.Generated("org.openapitools.codegen.languages.MicronautCodegen")
 @io.micronaut.serde.annotation.Serdeable
-public class FirstModel implements OneOfModel {
+public final class FirstModel implements OneOfModel {
 
 	public static final java.lang.String JSON_PROPERTY_TYPE = "type";
 	public static final java.lang.String JSON_PROPERTY_FIRST = "first";

diff --git a/gen/main/java/testmodel/micronaut_pojo/InheritanceExtended.java b/gen/main/java/testmodel/micronaut_pojo/InheritanceExtended.java
@@ -2,7 +2,7 @@
 
 @jakarta.annotation.Generated("org.openapitools.codegen.languages.MicronautCodegen")
 @io.micronaut.serde.annotation.Serdeable
-public class InheritanceExtended implements InheritanceSimple {
+public final class InheritanceExtended implements InheritanceSimple {
 
 	public static final java.lang.String JSON_PROPERTY_BAR = "bar";
 

diff --git a/gen/main/java/testmodel/micronaut_pojo/InheritanceSimple.java b/gen/main/java/testmodel/micronaut_pojo/InheritanceSimple.java
@@ -2,7 +2,7 @@
 
 @jakarta.annotation.Generated("org.openapitools.codegen.languages.MicronautCodegen")
 @com.fasterxml.jackson.databind.annotation.JsonDeserialize(as = InheritanceSimpleDefault.class)
-public interface InheritanceSimple {
+public sealed interface InheritanceSimple permits InheritanceExtended, InheritanceSimpleDefault {
 
 	java.lang.String JSON_PROPERTY_FOO = "foo";
 

diff --git a/gen/main/java/testmodel/micronaut_pojo/InheritanceSimpleDefault.java b/gen/main/java/testmodel/micronaut_pojo/InheritanceSimpleDefault.java
@@ -2,7 +2,7 @@
 
 @jakarta.annotation.Generated("org.openapitools.codegen.languages.MicronautCodegen")
 @io.micronaut.serde.annotation.Serdeable
-public class InheritanceSimpleDefault implements InheritanceSimple {
+public final class InheritanceSimpleDefault implements InheritanceSimple {
 
 	@jakarta.validation.constraints.NotNull
 	@com.fasterxml.jackson.annotation.JsonProperty(JSON_PROPERTY_FOO)

diff --git a/gen/main/java/testmodel/micronaut_pojo/InheritanceWithEnumType.java b/gen/main/java/testmodel/micronaut_pojo/InheritanceWithEnumType.java
@@ -7,7 +7,7 @@
 	@com.fasterxml.jackson.annotation.JsonSubTypes.Type(value = InheritanceWithEnumType2.class, name = "Inheritance2"),
 	@com.fasterxml.jackson.annotation.JsonSubTypes.Type(value = InheritanceWithEnumType3.class, name = "Inheritance3")
 })
-public interface InheritanceWithEnumType {
+public sealed interface InheritanceWithEnumType permits InheritanceWithEnumType1, InheritanceWithEnumType2, InheritanceWithEnumType3 {
 
 	java.lang.String JSON_DISCRIMINATOR = "type";
 

diff --git a/gen/main/java/testmodel/micronaut_pojo/InheritanceWithEnumType1.java b/gen/main/java/testmodel/micronaut_pojo/InheritanceWithEnumType1.java
@@ -2,7 +2,7 @@
 
 @jakarta.annotation.Generated("org.openapitools.codegen.languages.MicronautCodegen")
 @io.micronaut.serde.annotation.Serdeable
-public class InheritanceWithEnumType1 implements InheritanceWithEnumType {
+public final class InheritanceWithEnumType1 implements InheritanceWithEnumType {
 
 	public static final java.lang.String JSON_PROPERTY_D = "d";
 

diff --git a/gen/main/java/testmodel/micronaut_pojo/InheritanceWithEnumType2.java b/gen/main/java/testmodel/micronaut_pojo/InheritanceWithEnumType2.java
@@ -2,7 +2,7 @@
 
 @jakarta.annotation.Generated("org.openapitools.codegen.languages.MicronautCodegen")
 @io.micronaut.serde.annotation.Serdeable
-public class InheritanceWithEnumType2 implements InheritanceWithEnumType {
+public final class InheritanceWithEnumType2 implements InheritanceWithEnumType {
 
 	public static final java.lang.String JSON_PROPERTY_E = "e";
 

diff --git a/gen/main/java/testmodel/micronaut_pojo/InheritanceWithEnumType3.java b/gen/main/java/testmodel/micronaut_pojo/InheritanceWithEnumType3.java
@@ -2,7 +2,7 @@
 
 @jakarta.annotation.Generated("org.openapitools.codegen.languages.MicronautCodegen")
 @io.micronaut.serde.annotation.Serdeable
-public class InheritanceWithEnumType3 implements InheritanceWithEnumType {
+public final class InheritanceWithEnumType3 implements InheritanceWithEnumType {
 
 	@Override
 	public InheritanceWithEnumTypeEnum getType() {

diff --git a/gen/main/java/testmodel/micronaut_pojo/InheritanceWithStringType.java b/gen/main/java/testmodel/micronaut_pojo/InheritanceWithStringType.java
@@ -6,7 +6,7 @@
 	@com.fasterxml.jackson.annotation.JsonSubTypes.Type(value = InheritanceWithStringType1.class, name = "Inheritance1"),
 	@com.fasterxml.jackson.annotation.JsonSubTypes.Type(value = InheritanceWithStringType2.class, name = "Inheritance2")
 })
-public interface InheritanceWithStringType {
+public sealed interface InheritanceWithStringType permits InheritanceWithStringType1, InheritanceWithStringType2 {
 
 	java.lang.String JSON_DISCRIMINATOR = "type";
 	java.lang.String JSON_PROPERTY_A = "a";

diff --git a/gen/main/java/testmodel/micronaut_pojo/InheritanceWithStringType1.java b/gen/main/java/testmodel/micronaut_pojo/InheritanceWithStringType1.java
@@ -2,7 +2,7 @@
 
 @jakarta.annotation.Generated("org.openapitools.codegen.languages.MicronautCodegen")
 @io.micronaut.serde.annotation.Serdeable
-public class InheritanceWithStringType1 implements InheritanceWithStringType {
+public final class InheritanceWithStringType1 implements InheritanceWithStringType {
 
 	public static final java.lang.String JSON_PROPERTY_B = "b";
 

diff --git a/gen/main/java/testmodel/micronaut_pojo/InheritanceWithStringType2.java b/gen/main/java/testmodel/micronaut_pojo/InheritanceWithStringType2.java
@@ -2,7 +2,7 @@
 
 @jakarta.annotation.Generated("org.openapitools.codegen.languages.MicronautCodegen")
 @io.micronaut.serde.annotation.Serdeable
-public class InheritanceWithStringType2 implements InheritanceWithStringType {
+public final class InheritanceWithStringType2 implements InheritanceWithStringType {
 
 	public static final java.lang.String JSON_PROPERTY_C = "c";
 

diff --git a/gen/main/java/testmodel/micronaut_pojo/InheritanceWithoutType.java b/gen/main/java/testmodel/micronaut_pojo/InheritanceWithoutType.java
@@ -6,7 +6,7 @@
 	@com.fasterxml.jackson.annotation.JsonSubTypes.Type(value = InheritanceWithoutType1.class, name = "Inheritance1"),
 	@com.fasterxml.jackson.annotation.JsonSubTypes.Type(value = InheritanceWithoutType2.class, name = "Inheritance2")
 })
-public interface InheritanceWithoutType {
+public sealed interface InheritanceWithoutType permits InheritanceWithoutType1, InheritanceWithoutType2 {
 
 	java.lang.String JSON_DISCRIMINATOR = "type";
 	java.lang.String JSON_PROPERTY_E = "e";

diff --git a/gen/main/java/testmodel/micronaut_pojo/InheritanceWithoutType1.java b/gen/main/java/testmodel/micronaut_pojo/InheritanceWithoutType1.java
@@ -2,7 +2,7 @@
 
 @jakarta.annotation.Generated("org.openapitools.codegen.languages.MicronautCodegen")
 @io.micronaut.serde.annotation.Serdeable
-public class InheritanceWithoutType1 implements InheritanceWithoutType {
+public final class InheritanceWithoutType1 implements InheritanceWithoutType {
 
 	public static final java.lang.String JSON_PROPERTY_F = "f";
 

diff --git a/gen/main/java/testmodel/micronaut_pojo/InheritanceWithoutType2.java b/gen/main/java/testmodel/micronaut_pojo/InheritanceWithoutType2.java
@@ -2,7 +2,7 @@
 
 @jakarta.annotation.Generated("org.openapitools.codegen.languages.MicronautCodegen")
 @io.micronaut.serde.annotation.Serdeable
-public class InheritanceWithoutType2 implements InheritanceWithoutType {
+public final class InheritanceWithoutType2 implements InheritanceWithoutType {
 
 	public static final java.lang.String JSON_PROPERTY_G = "g";
 

diff --git a/gen/main/java/testmodel/micronaut_pojo/OneOfImplementor1.java b/gen/main/java/testmodel/micronaut_pojo/OneOfImplementor1.java
@@ -2,7 +2,7 @@
 
 @jakarta.annotation.Generated("org.openapitools.codegen.languages.MicronautCodegen")
 @io.micronaut.serde.annotation.Serdeable
-public class OneOfImplementor1 implements OneOfInterface {
+public final class OneOfImplementor1 implements OneOfInterface {
 
 	public static final java.lang.String JSON_PROPERTY_PROPERTY = "property";
 

diff --git a/gen/main/java/testmodel/micronaut_pojo/OneOfImplementor2.java b/gen/main/java/testmodel/micronaut_pojo/OneOfImplementor2.java
@@ -2,7 +2,7 @@
 
 @jakarta.annotation.Generated("org.openapitools.codegen.languages.MicronautCodegen")
 @io.micronaut.serde.annotation.Serdeable
-public class OneOfImplementor2 implements OneOfInterface {
+public final class OneOfImplementor2 implements OneOfInterface {
 
 	public static final java.lang.String JSON_PROPERTY_PROPERTY = "property";
 

diff --git a/gen/main/java/testmodel/micronaut_pojo/OneOfInterface.java b/gen/main/java/testmodel/micronaut_pojo/OneOfInterface.java
@@ -6,7 +6,7 @@
 	@com.fasterxml.jackson.annotation.JsonSubTypes.Type(value = OneOfImplementor1.class, name = "Implementation1"),
 	@com.fasterxml.jackson.annotation.JsonSubTypes.Type(value = OneOfImplementor2.class, name = "Implementation2"),
 })
-public interface OneOfInterface {
+public sealed interface OneOfInterface permits OneOfImplementor1, OneOfImplementor2 {
 
 	java.lang.String JSON_DISCRIMINATOR = "type";
 

diff --git a/gen/main/java/testmodel/micronaut_pojo/OneOfModel.java b/gen/main/java/testmodel/micronaut_pojo/OneOfModel.java
@@ -6,4 +6,4 @@
 	@com.fasterxml.jackson.annotation.JsonSubTypes.Type(value = FirstModel.class),
 	@com.fasterxml.jackson.annotation.JsonSubTypes.Type(value = SecondLevelModel.class)
 })
-public interface OneOfModel {}
+public sealed interface OneOfModel permits FirstModel, SecondLevelModel {}
diff --git a/gen/main/java/testmodel/micronaut_pojo/PropertyTypeOne.java b/gen/main/java/testmodel/micronaut_pojo/PropertyTypeOne.java
@@ -2,7 +2,7 @@
 
 @jakarta.annotation.Generated("org.openapitools.codegen.languages.MicronautCodegen")
 @io.micronaut.serde.annotation.Serdeable
-public class PropertyTypeOne implements AdditionalPropertiesModelValue {
+public final class PropertyTypeOne implements AdditionalPropertiesModelValue {
 
 	public static final java.lang.String JSON_PROPERTY_TYPE = "type";
 

diff --git a/gen/main/java/testmodel/micronaut_pojo/PropertyTypeTwo.java b/gen/main/java/testmodel/micronaut_pojo/PropertyTypeTwo.java
@@ -2,7 +2,7 @@
 
 @jakarta.annotation.Generated("org.openapitools.codegen.languages.MicronautCodegen")
 @io.micronaut.serde.annotation.Serdeable
-public class PropertyTypeTwo implements AdditionalPropertiesModelValue {
+public final class PropertyTypeTwo implements AdditionalPropertiesModelValue {
 
 	public static final java.lang.String JSON_PROPERTY_TYPE = "type";
 

diff --git a/gen/main/java/testmodel/micronaut_pojo/SecondLevelModel.java b/gen/main/java/testmodel/micronaut_pojo/SecondLevelModel.java
@@ -6,4 +6,4 @@
 	@com.fasterxml.jackson.annotation.JsonSubTypes.Type(value = SecondLevelOneModel.class),
 	@com.fasterxml.jackson.annotation.JsonSubTypes.Type(value = SecondLevelTwoModel.class)
 })
-public interface SecondLevelModel extends OneOfModel {}
+public sealed interface SecondLevelModel extends OneOfModel permits SecondLevelOneModel, SecondLevelTwoModel {}
diff --git a/gen/main/java/testmodel/micronaut_pojo/SecondLevelOneModel.java b/gen/main/java/testmodel/micronaut_pojo/SecondLevelOneModel.java
@@ -2,7 +2,7 @@
 
 @jakarta.annotation.Generated("org.openapitools.codegen.languages.MicronautCodegen")
 @io.micronaut.serde.annotation.Serdeable
-public class SecondLevelOneModel implements SecondLevelModel {
+public final class SecondLevelOneModel implements SecondLevelModel {
 
 	public static final java.lang.String JSON_PROPERTY_TYPE = "type";
 	public static final java.lang.String JSON_PROPERTY_ONE = "one";

diff --git a/gen/main/java/testmodel/micronaut_pojo/SecondLevelTwoModel.java b/gen/main/java/testmodel/micronaut_pojo/SecondLevelTwoModel.java
@@ -2,7 +2,7 @@
 
 @jakarta.annotation.Generated("org.openapitools.codegen.languages.MicronautCodegen")
 @io.micronaut.serde.annotation.Serdeable
-public class SecondLevelTwoModel implements SecondLevelModel {
+public final class SecondLevelTwoModel implements SecondLevelModel {
 
 	public static final java.lang.String JSON_PROPERTY_TYPE = "type";
 	public static final java.lang.String JSON_PROPERTY_TWO = "two";

diff --git a/gen/main/java/testmodel/micronaut_pojo_nullable/AdditionalPropertiesModelValue.java b/gen/main/java/testmodel/micronaut_pojo_nullable/AdditionalPropertiesModelValue.java
@@ -6,4 +6,4 @@
 	@com.fasterxml.jackson.annotation.JsonSubTypes.Type(value = PropertyTypeOne.class),
 	@com.fasterxml.jackson.annotation.JsonSubTypes.Type(value = PropertyTypeTwo.class)
 })
-public interface AdditionalPropertiesModelValue {}
+public sealed interface AdditionalPropertiesModelValue permits PropertyTypeOne, PropertyTypeTwo {}
diff --git a/gen/main/java/testmodel/micronaut_pojo_nullable/FirstModel.java b/gen/main/java/testmodel/micronaut_pojo_nullable/FirstModel.java
@@ -2,7 +2,7 @@
 
 @jakarta.annotation.Generated("org.openapitools.codegen.languages.MicronautCodegen")
 @io.micronaut.serde.annotation.Serdeable
-public class FirstModel implements OneOfModel {
+public final class FirstModel implements OneOfModel {
 
 	public static final java.lang.String JSON_PROPERTY_TYPE = "type";
 	public static final java.lang.String JSON_PROPERTY_FIRST = "first";

diff --git a/gen/main/java/testmodel/micronaut_pojo_nullable/InheritanceExtended.java b/gen/main/java/testmodel/micronaut_pojo_nullable/InheritanceExtended.java
@@ -2,7 +2,7 @@
 
 @jakarta.annotation.Generated("org.openapitools.codegen.languages.MicronautCodegen")
 @io.micronaut.serde.annotation.Serdeable
-public class InheritanceExtended implements InheritanceSimple {
+public final class InheritanceExtended implements InheritanceSimple {
 
 	public static final java.lang.String JSON_PROPERTY_BAR = "bar";
 

diff --git a/gen/main/java/testmodel/micronaut_pojo_nullable/InheritanceSimple.java b/gen/main/java/testmodel/micronaut_pojo_nullable/InheritanceSimple.java
@@ -2,7 +2,7 @@
 
 @jakarta.annotation.Generated("org.openapitools.codegen.languages.MicronautCodegen")
 @com.fasterxml.jackson.databind.annotation.JsonDeserialize(as = InheritanceSimpleDefault.class)
-public interface InheritanceSimple {
+public sealed interface InheritanceSimple permits InheritanceExtended, InheritanceSimpleDefault {
 
 	java.lang.String JSON_PROPERTY_FOO = "foo";
 

diff --git a/gen/main/java/testmodel/micronaut_pojo_nullable/InheritanceSimpleDefault.java b/gen/main/java/testmodel/micronaut_pojo_nullable/InheritanceSimpleDefault.java
@@ -2,7 +2,7 @@
 
 @jakarta.annotation.Generated("org.openapitools.codegen.languages.MicronautCodegen")
 @io.micronaut.serde.annotation.Serdeable
-public class InheritanceSimpleDefault implements InheritanceSimple {
+public final class InheritanceSimpleDefault implements InheritanceSimple {
 
 	@jakarta.validation.constraints.NotNull
 	@com.fasterxml.jackson.annotation.JsonProperty(JSON_PROPERTY_FOO)

diff --git a/gen/main/java/testmodel/micronaut_pojo_nullable/InheritanceWithEnumType.java b/gen/main/java/testmodel/micronaut_pojo_nullable/InheritanceWithEnumType.java
@@ -7,7 +7,7 @@
 	@com.fasterxml.jackson.annotation.JsonSubTypes.Type(value = InheritanceWithEnumType2.class, name = "Inheritance2"),
 	@com.fasterxml.jackson.annotation.JsonSubTypes.Type(value = InheritanceWithEnumType3.class, name = "Inheritance3")
 })
-public interface InheritanceWithEnumType {
+public sealed interface InheritanceWithEnumType permits InheritanceWithEnumType1, InheritanceWithEnumType2, InheritanceWithEnumType3 {
 
 	java.lang.String JSON_DISCRIMINATOR = "type";
 

diff --git a/gen/main/java/testmodel/micronaut_pojo_nullable/InheritanceWithEnumType1.java b/gen/main/java/testmodel/micronaut_pojo_nullable/InheritanceWithEnumType1.java
@@ -2,7 +2,7 @@
 
 @jakarta.annotation.Generated("org.openapitools.codegen.languages.MicronautCodegen")
 @io.micronaut.serde.annotation.Serdeable
-public class InheritanceWithEnumType1 implements InheritanceWithEnumType {
+public final class InheritanceWithEnumType1 implements InheritanceWithEnumType {
 
 	public static final java.lang.String JSON_PROPERTY_D = "d";
 

diff --git a/gen/main/java/testmodel/micronaut_pojo_nullable/InheritanceWithEnumType2.java b/gen/main/java/testmodel/micronaut_pojo_nullable/InheritanceWithEnumType2.java
@@ -2,7 +2,7 @@
 
 @jakarta.annotation.Generated("org.openapitools.codegen.languages.MicronautCodegen")
 @io.micronaut.serde.annotation.Serdeable
-public class InheritanceWithEnumType2 implements InheritanceWithEnumType {
+public final class InheritanceWithEnumType2 implements InheritanceWithEnumType {
 
 	public static final java.lang.String JSON_PROPERTY_E = "e";
 

diff --git a/gen/main/java/testmodel/micronaut_pojo_nullable/InheritanceWithEnumType3.java b/gen/main/java/testmodel/micronaut_pojo_nullable/InheritanceWithEnumType3.java
@@ -2,7 +2,7 @@
 
 @jakarta.annotation.Generated("org.openapitools.codegen.languages.MicronautCodegen")
 @io.micronaut.serde.annotation.Serdeable
-public class InheritanceWithEnumType3 implements InheritanceWithEnumType {
+public final class InheritanceWithEnumType3 implements InheritanceWithEnumType {
 
 	@Override
 	public InheritanceWithEnumTypeEnum getType() {

diff --git a/gen/main/java/testmodel/micronaut_pojo_nullable/InheritanceWithStringType.java b/gen/main/java/testmodel/micronaut_pojo_nullable/InheritanceWithStringType.java
@@ -6,7 +6,7 @@
 	@com.fasterxml.jackson.annotation.JsonSubTypes.Type(value = InheritanceWithStringType1.class, name = "Inheritance1"),
 	@com.fasterxml.jackson.annotation.JsonSubTypes.Type(value = InheritanceWithStringType2.class, name = "Inheritance2")
 })
-public interface InheritanceWithStringType {
+public sealed interface InheritanceWithStringType permits InheritanceWithStringType1, InheritanceWithStringType2 {
 
 	java.lang.String JSON_DISCRIMINATOR = "type";
 	java.lang.String JSON_PROPERTY_A = "a";

diff --git a/gen/main/java/testmodel/micronaut_pojo_nullable/InheritanceWithStringType1.java b/gen/main/java/testmodel/micronaut_pojo_nullable/InheritanceWithStringType1.java
@@ -2,7 +2,7 @@
 
 @jakarta.annotation.Generated("org.openapitools.codegen.languages.MicronautCodegen")
 @io.micronaut.serde.annotation.Serdeable
-public class InheritanceWithStringType1 implements InheritanceWithStringType {
+public final class InheritanceWithStringType1 implements InheritanceWithStringType {
 
 	public static final java.lang.String JSON_PROPERTY_B = "b";
 

diff --git a/gen/main/java/testmodel/micronaut_pojo_nullable/InheritanceWithStringType2.java b/gen/main/java/testmodel/micronaut_pojo_nullable/InheritanceWithStringType2.java
@@ -2,7 +2,7 @@
 
 @jakarta.annotation.Generated("org.openapitools.codegen.languages.MicronautCodegen")
 @io.micronaut.serde.annotation.Serdeable
-public class InheritanceWithStringType2 implements InheritanceWithStringType {
+public final class InheritanceWithStringType2 implements InheritanceWithStringType {
 
 	public static final java.lang.String JSON_PROPERTY_C = "c";
 

diff --git a/gen/main/java/testmodel/micronaut_pojo_nullable/InheritanceWithoutType.java b/gen/main/java/testmodel/micronaut_pojo_nullable/InheritanceWithoutType.java
@@ -6,7 +6,7 @@
 	@com.fasterxml.jackson.annotation.JsonSubTypes.Type(value = InheritanceWithoutType1.class, name = "Inheritance1"),
 	@com.fasterxml.jackson.annotation.JsonSubTypes.Type(value = InheritanceWithoutType2.class, name = "Inheritance2")
 })
-public interface InheritanceWithoutType {
+public sealed interface InheritanceWithoutType permits InheritanceWithoutType1, InheritanceWithoutType2 {
 
 	java.lang.String JSON_DISCRIMINATOR = "type";
 	java.lang.String JSON_PROPERTY_E = "e";

diff --git a/gen/main/java/testmodel/micronaut_pojo_nullable/InheritanceWithoutType1.java b/gen/main/java/testmodel/micronaut_pojo_nullable/InheritanceWithoutType1.java
@@ -2,7 +2,7 @@
 
 @jakarta.annotation.Generated("org.openapitools.codegen.languages.MicronautCodegen")
 @io.micronaut.serde.annotation.Serdeable
-public class InheritanceWithoutType1 implements InheritanceWithoutType {
+public final class InheritanceWithoutType1 implements InheritanceWithoutType {
 
 	public static final java.lang.String JSON_PROPERTY_F = "f";
 

diff --git a/gen/main/java/testmodel/micronaut_pojo_nullable/InheritanceWithoutType2.java b/gen/main/java/testmodel/micronaut_pojo_nullable/InheritanceWithoutType2.java
@@ -2,7 +2,7 @@
 
 @jakarta.annotation.Generated("org.openapitools.codegen.languages.MicronautCodegen")
 @io.micronaut.serde.annotation.Serdeable
-public class InheritanceWithoutType2 implements InheritanceWithoutType {
+public final class InheritanceWithoutType2 implements InheritanceWithoutType {
 
 	public static final java.lang.String JSON_PROPERTY_G = "g";
 

diff --git a/gen/main/java/testmodel/micronaut_pojo_nullable/OneOfImplementor1.java b/gen/main/java/testmodel/micronaut_pojo_nullable/OneOfImplementor1.java
@@ -2,7 +2,7 @@
 
 @jakarta.annotation.Generated("org.openapitools.codegen.languages.MicronautCodegen")
 @io.micronaut.serde.annotation.Serdeable
-public class OneOfImplementor1 implements OneOfInterface {
+public final class OneOfImplementor1 implements OneOfInterface {
 
 	public static final java.lang.String JSON_PROPERTY_PROPERTY = "property";
 

diff --git a/gen/main/java/testmodel/micronaut_pojo_nullable/OneOfImplementor2.java b/gen/main/java/testmodel/micronaut_pojo_nullable/OneOfImplementor2.java
@@ -2,7 +2,7 @@
 
 @jakarta.annotation.Generated("org.openapitools.codegen.languages.MicronautCodegen")
 @io.micronaut.serde.annotation.Serdeable
-public class OneOfImplementor2 implements OneOfInterface {
+public final class OneOfImplementor2 implements OneOfInterface {
 
 	public static final java.lang.String JSON_PROPERTY_PROPERTY = "property";
 

diff --git a/gen/main/java/testmodel/micronaut_pojo_nullable/OneOfInterface.java b/gen/main/java/testmodel/micronaut_pojo_nullable/OneOfInterface.java
@@ -6,7 +6,7 @@
 	@com.fasterxml.jackson.annotation.JsonSubTypes.Type(value = OneOfImplementor1.class, name = "Implementation1"),
 	@com.fasterxml.jackson.annotation.JsonSubTypes.Type(value = OneOfImplementor2.class, name = "Implementation2"),
 })
-public interface OneOfInterface {
+public sealed interface OneOfInterface permits OneOfImplementor1, OneOfImplementor2 {
 
 	java.lang.String JSON_DISCRIMINATOR = "type";
 

diff --git a/gen/main/java/testmodel/micronaut_pojo_nullable/OneOfModel.java b/gen/main/java/testmodel/micronaut_pojo_nullable/OneOfModel.java
@@ -6,4 +6,4 @@
 	@com.fasterxml.jackson.annotation.JsonSubTypes.Type(value = FirstModel.class),
 	@com.fasterxml.jackson.annotation.JsonSubTypes.Type(value = SecondLevelModel.class)
 })
-public interface OneOfModel {}
+public sealed interface OneOfModel permits FirstModel, SecondLevelModel {}
diff --git a/gen/main/java/testmodel/micronaut_pojo_nullable/PropertyTypeOne.java b/gen/main/java/testmodel/micronaut_pojo_nullable/PropertyTypeOne.java
@@ -2,7 +2,7 @@
 
 @jakarta.annotation.Generated("org.openapitools.codegen.languages.MicronautCodegen")
 @io.micronaut.serde.annotation.Serdeable
-public class PropertyTypeOne implements AdditionalPropertiesModelValue {
+public final class PropertyTypeOne implements AdditionalPropertiesModelValue {
 
 	public static final java.lang.String JSON_PROPERTY_TYPE = "type";
 

diff --git a/gen/main/java/testmodel/micronaut_pojo_nullable/PropertyTypeTwo.java b/gen/main/java/testmodel/micronaut_pojo_nullable/PropertyTypeTwo.java
@@ -2,7 +2,7 @@
 
 @jakarta.annotation.Generated("org.openapitools.codegen.languages.MicronautCodegen")
 @io.micronaut.serde.annotation.Serdeable
-public class PropertyTypeTwo implements AdditionalPropertiesModelValue {
+public final class PropertyTypeTwo implements AdditionalPropertiesModelValue {
 
 	public static final java.lang.String JSON_PROPERTY_TYPE = "type";