fix: [OpenAPI] @Beta annotations on generated enums

datamodel/openapi/openapi-generator/src/main/resources/openapi-generator/mustache-templates/modelEnum.mustache

@@ -22,7 +22,8 @@ import java.net.URI;
 {{#jsonb}}
 @JsonbTypeSerializer({{datatypeWithEnum}}.Serializer.class)
 @JsonbTypeDeserializer({{datatypeWithEnum}}.Deserializer.class)
-{{/jsonb}}
+{{/jsonb}}{{^isReleased}}
+@Beta{{/isReleased}}
 {{>additionalEnumTypeAnnotations}}public enum {{{datatypeWithEnum}}}{{^datatypeWithEnum}}{{{classname}}}{{/datatypeWithEnum}} {
   {{#allowableValues}}{{#enumVars}}
     {{#enumDescription}}

datamodel/openapi/openapi-generator/src/test/java/com/sap/cloud/sdk/datamodel/openapi/generator/DataModelGeneratorIntegrationTest.java

@@ -73,7 +73,7 @@ private enum TestCase
             ApiMaturity.RELEASED,
             false,
             true,
-            8,
+            9,
             Map.of()),
         ONE_OF_INTERFACES_ENABLED(
             "oneof-interfaces-enabled",
@@ -83,7 +83,7 @@ private enum TestCase
             ApiMaturity.BETA,
             true,
             true,
-            9,
+            10,
             Map.of("useOneOfInterfaces", "true", "useOneOfCreators", "true")),
         INPUT_SPEC_WITH_BUILDER(
             "input-spec-with-builder",

datamodel/openapi/openapi-generator/src/test/resources/DataModelGeneratorIntegrationTest/oneof-interfaces-disabled/input/sodastore.yaml

@@ -46,6 +46,10 @@ components:
       allOf:
         - $ref: '#/components/schemas/Cola'
         - $ref: '#/components/schemas/Fanta'
+    ColaTemperature:
+      enum:
+        - COOL
+        - WARM
     Cola:
       type: object
       properties:

datamodel/openapi/openapi-generator/src/test/resources/DataModelGeneratorIntegrationTest/oneof-interfaces-disabled/output/test/ColaTemperature.java

@@ -0,0 +1,84 @@
+/*
+ * Copyright (c) 2025 SAP SE or an SAP affiliate company. All rights reserved.
+ */
+
+/*
+ * Soda Store API
+ * API for managing sodas in a soda store
+ *
+ * 
+ *
+ * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
+ * https://openapi-generator.tech
+ * Do not edit the class manually.
+ */
+
+package test;
+
+import java.util.Objects;
+import java.util.Arrays;
+import java.util.LinkedHashMap;
+import java.util.Map;
+import java.util.NoSuchElementException;
+import java.util.Set;
+import com.fasterxml.jackson.annotation.JsonAnySetter;
+import com.fasterxml.jackson.annotation.JsonAnyGetter;
+import com.fasterxml.jackson.annotation.JsonIgnore;
+import com.fasterxml.jackson.annotation.JsonPropertyOrder;
+
+import javax.annotation.Nonnull;
+import javax.annotation.Nullable;
+
+import com.fasterxml.jackson.annotation.JsonCreator;
+import com.fasterxml.jackson.annotation.JsonValue;
+
+/**
+ * Gets or Sets ColaTemperature
+ */
+
+public enum ColaTemperature {
+
+  COOL("COOL"),
+
+  WARM("WARM");
+
+  private final String value;
+
+  ColaTemperature(String value) {
+    this.value = value;
+  }
+
+  /**
+   * @return The enum value.
+   */
+  @JsonValue
+  public String getValue() {
+    return value;
+  }
+
+  /**
+   * @return The String representation of the enum value.
+   */
+  @Override
+  @Nonnull public String toString() {
+    return String.valueOf(value);
+  }
+
+  /**
+   * Converts the given value to its enum representation.
+   *
+   * @param value The input value.
+   *
+   * @return The enum representation of the given value.
+   */
+  @JsonCreator
+  public static ColaTemperature fromValue(@Nonnull final String value) {
+    for (final ColaTemperature b : ColaTemperature.values()) {
+      if (b.value.equals(value)) {
+        return b;
+      }
+    }
+    throw new IllegalArgumentException("Unexpected value '" + value + "'");
+  }
+}
+

datamodel/openapi/openapi-generator/src/test/resources/DataModelGeneratorIntegrationTest/oneof-interfaces-enabled/input/sodastore.yaml

@@ -46,6 +46,10 @@ components:
       allOf:
         - $ref: '#/components/schemas/Cola'
         - $ref: '#/components/schemas/Fanta'
+    ColaTemperature:
+      enum:
+        - COOL
+        - WARM
     Cola:
       type: object
       properties:

datamodel/openapi/openapi-generator/src/test/resources/DataModelGeneratorIntegrationTest/oneof-interfaces-enabled/output/test/ColaTemperature.java

@@ -0,0 +1,85 @@
+/*
+ * Copyright (c) 2025 SAP SE or an SAP affiliate company. All rights reserved.
+ */
+
+/*
+ * Soda Store API
+ * API for managing sodas in a soda store
+ *
+ * 
+ *
+ * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
+ * https://openapi-generator.tech
+ * Do not edit the class manually.
+ */
+
+package test;
+
+import java.util.Objects;
+import java.util.Arrays;
+import java.util.LinkedHashMap;
+import java.util.Map;
+import java.util.NoSuchElementException;
+import java.util.Set;
+import com.fasterxml.jackson.annotation.JsonAnySetter;
+import com.fasterxml.jackson.annotation.JsonAnyGetter;
+import com.fasterxml.jackson.annotation.JsonIgnore;
+import com.fasterxml.jackson.annotation.JsonPropertyOrder;
+import com.google.common.annotations.Beta;
+import javax.annotation.Nonnull;
+import javax.annotation.Nullable;
+
+import com.fasterxml.jackson.annotation.JsonCreator;
+import com.fasterxml.jackson.annotation.JsonValue;
+
+/**
+ * Gets or Sets ColaTemperature
+ */
+
+@Beta
+public enum ColaTemperature {
+
+  COOL("COOL"),
+
+  WARM("WARM");
+
+  private final String value;
+
+  ColaTemperature(String value) {
+    this.value = value;
+  }
+
+  /**
+   * @return The enum value.
+   */
+  @JsonValue
+  public String getValue() {
+    return value;
+  }
+
+  /**
+   * @return The String representation of the enum value.
+   */
+  @Override
+  @Nonnull public String toString() {
+    return String.valueOf(value);
+  }
+
+  /**
+   * Converts the given value to its enum representation.
+   *
+   * @param value The input value.
+   *
+   * @return The enum representation of the given value.
+   */
+  @JsonCreator
+  public static ColaTemperature fromValue(@Nonnull final String value) {
+    for (final ColaTemperature b : ColaTemperature.values()) {
+      if (b.value.equals(value)) {
+        return b;
+      }
+    }
+    throw new IllegalArgumentException("Unexpected value '" + value + "'");
+  }
+}
+

release_notes.md

@@ -20,4 +20,4 @@
 
 ### 🐛 Fixed Issues
 
-- 
+- OpenAPI: When `apiMaturity` is set to `beta`, generated enums will now be `@Beta` annotated.