feat(openapi-generator): Allow for primitives in anyOf/oneOf component schema definitions

datamodel/openapi/openapi-api-sample/pom.xml

@@ -125,8 +125,10 @@
 						<pojoBuildMethodName />
 						<pojoConstructorVisibility>protected</pojoConstructorVisibility>
 						<useOneOfInterfaces>true</useOneOfInterfaces>
+						<useOneOfCreators>true</useOneOfCreators>
 						<enumUnknownDefaultCase>true</enumUnknownDefaultCase>
 					</additionalProperties>
+					<enableOneOfAnyOfGeneration>true</enableOneOfAnyOfGeneration>
 				</configuration>
 			</plugin>
 			<!-- Enable formatter to always run on the generated code -->

datamodel/openapi/openapi-api-sample/src/main/java/com/sap/cloud/sdk/datamodel/openapi/sample/model/AllOf.java

@@ -45,6 +45,9 @@ public class AllOf
     @JsonProperty( "color" )
     private String color;
 
+    @JsonProperty( "flavor" )
+    private FantaFlavor flavor;
+
     @JsonAnySetter
     @JsonAnyGetter
     private final Map<String, Object> cloudSdkCustomFields = new LinkedHashMap<>();
@@ -164,6 +167,42 @@ public void setColor( @Nullable final String color )
         this.color = color;
     }
 
+    /**
+     * Set the flavor of this {@link AllOf} instance and return the same instance.
+     *
+     * @param flavor
+     *            The flavor of this {@link AllOf}
+     * @return The same instance of this {@link AllOf} class
+     */
+    @Nonnull
+    public AllOf flavor( @Nullable final FantaFlavor flavor )
+    {
+        this.flavor = flavor;
+        return this;
+    }
+
+    /**
+     * Get flavor
+     *
+     * @return flavor The flavor of this {@link AllOf} instance.
+     */
+    @Nonnull
+    public FantaFlavor getFlavor()
+    {
+        return flavor;
+    }
+
+    /**
+     * Set the flavor of this {@link AllOf} instance.
+     *
+     * @param flavor
+     *            The flavor of this {@link AllOf}
+     */
+    public void setFlavor( @Nullable final FantaFlavor flavor )
+    {
+        this.flavor = flavor;
+    }
+
     /**
      * Get the names of the unrecognizable properties of the {@link AllOf}.
      *
@@ -223,13 +262,14 @@ public boolean equals( @Nullable final java.lang.Object o )
         return Objects.equals(this.cloudSdkCustomFields, allOf.cloudSdkCustomFields)
             && Objects.equals(this.sodaType, allOf.sodaType)
             && Objects.equals(this.caffeine, allOf.caffeine)
-            && Objects.equals(this.color, allOf.color);
+            && Objects.equals(this.color, allOf.color)
+            && Objects.equals(this.flavor, allOf.flavor);
     }
 
     @Override
     public int hashCode()
     {
-        return Objects.hash(sodaType, caffeine, color, cloudSdkCustomFields);
+        return Objects.hash(sodaType, caffeine, color, flavor, cloudSdkCustomFields);
     }
 
     @Override
@@ -241,6 +281,7 @@ public String toString()
         sb.append("    sodaType: ").append(toIndentedString(sodaType)).append("\n");
         sb.append("    caffeine: ").append(toIndentedString(caffeine)).append("\n");
         sb.append("    color: ").append(toIndentedString(color)).append("\n");
+        sb.append("    flavor: ").append(toIndentedString(flavor)).append("\n");
         cloudSdkCustomFields
             .forEach(( k, v ) -> sb.append("    ").append(k).append(": ").append(toIndentedString(v)).append("\n"));
         sb.append("}");

datamodel/openapi/openapi-api-sample/src/main/java/com/sap/cloud/sdk/datamodel/openapi/sample/model/AnyOf.java

@@ -45,6 +45,9 @@ public class AnyOf
     @JsonProperty( "color" )
     private String color;
 
+    @JsonProperty( "flavor" )
+    private FantaFlavor flavor;
+
     @JsonAnySetter
     @JsonAnyGetter
     private final Map<String, Object> cloudSdkCustomFields = new LinkedHashMap<>();
@@ -164,6 +167,42 @@ public void setColor( @Nullable final String color )
         this.color = color;
     }
 
+    /**
+     * Set the flavor of this {@link AnyOf} instance and return the same instance.
+     *
+     * @param flavor
+     *            The flavor of this {@link AnyOf}
+     * @return The same instance of this {@link AnyOf} class
+     */
+    @Nonnull
+    public AnyOf flavor( @Nullable final FantaFlavor flavor )
+    {
+        this.flavor = flavor;
+        return this;
+    }
+
+    /**
+     * Get flavor
+     *
+     * @return flavor The flavor of this {@link AnyOf} instance.
+     */
+    @Nonnull
+    public FantaFlavor getFlavor()
+    {
+        return flavor;
+    }
+
+    /**
+     * Set the flavor of this {@link AnyOf} instance.
+     *
+     * @param flavor
+     *            The flavor of this {@link AnyOf}
+     */
+    public void setFlavor( @Nullable final FantaFlavor flavor )
+    {
+        this.flavor = flavor;
+    }
+
     /**
      * Get the names of the unrecognizable properties of the {@link AnyOf}.
      *
@@ -223,13 +262,14 @@ public boolean equals( @Nullable final java.lang.Object o )
         return Objects.equals(this.cloudSdkCustomFields, anyOf.cloudSdkCustomFields)
             && Objects.equals(this.sodaType, anyOf.sodaType)
             && Objects.equals(this.caffeine, anyOf.caffeine)
-            && Objects.equals(this.color, anyOf.color);
+            && Objects.equals(this.color, anyOf.color)
+            && Objects.equals(this.flavor, anyOf.flavor);
     }
 
     @Override
     public int hashCode()
     {
-        return Objects.hash(sodaType, caffeine, color, cloudSdkCustomFields);
+        return Objects.hash(sodaType, caffeine, color, flavor, cloudSdkCustomFields);
     }
 
     @Override
@@ -241,6 +281,7 @@ public String toString()
         sb.append("    sodaType: ").append(toIndentedString(sodaType)).append("\n");
         sb.append("    caffeine: ").append(toIndentedString(caffeine)).append("\n");
         sb.append("    color: ").append(toIndentedString(color)).append("\n");
+        sb.append("    flavor: ").append(toIndentedString(flavor)).append("\n");
         cloudSdkCustomFields
             .forEach(( k, v ) -> sb.append("    ").append(k).append(": ").append(toIndentedString(v)).append("\n"));
         sb.append("}");

datamodel/openapi/openapi-api-sample/src/main/java/com/sap/cloud/sdk/datamodel/openapi/sample/model/Fanta.java

@@ -42,6 +42,9 @@ public class Fanta implements OneOf, OneOfWithDiscriminator, OneOfWithDiscrimina
     @JsonProperty( "color" )
     private String color;
 
+    @JsonProperty( "flavor" )
+    private FantaFlavor flavor;
+
     @JsonAnySetter
     @JsonAnyGetter
     private final Map<String, Object> cloudSdkCustomFields = new LinkedHashMap<>();
@@ -125,6 +128,42 @@ public void setColor( @Nullable final String color )
         this.color = color;
     }
 
+    /**
+     * Set the flavor of this {@link Fanta} instance and return the same instance.
+     *
+     * @param flavor
+     *            The flavor of this {@link Fanta}
+     * @return The same instance of this {@link Fanta} class
+     */
+    @Nonnull
+    public Fanta flavor( @Nullable final FantaFlavor flavor )
+    {
+        this.flavor = flavor;
+        return this;
+    }
+
+    /**
+     * Get flavor
+     *
+     * @return flavor The flavor of this {@link Fanta} instance.
+     */
+    @Nonnull
+    public FantaFlavor getFlavor()
+    {
+        return flavor;
+    }
+
+    /**
+     * Set the flavor of this {@link Fanta} instance.
+     *
+     * @param flavor
+     *            The flavor of this {@link Fanta}
+     */
+    public void setFlavor( @Nullable final FantaFlavor flavor )
+    {
+        this.flavor = flavor;
+    }
+
     /**
      * Get the names of the unrecognizable properties of the {@link Fanta}.
      *
@@ -183,13 +222,14 @@ public boolean equals( @Nullable final java.lang.Object o )
         final Fanta fanta = (Fanta) o;
         return Objects.equals(this.cloudSdkCustomFields, fanta.cloudSdkCustomFields)
             && Objects.equals(this.sodaType, fanta.sodaType)
-            && Objects.equals(this.color, fanta.color);
+            && Objects.equals(this.color, fanta.color)
+            && Objects.equals(this.flavor, fanta.flavor);
     }
 
     @Override
     public int hashCode()
     {
-        return Objects.hash(sodaType, color, cloudSdkCustomFields);
+        return Objects.hash(sodaType, color, flavor, cloudSdkCustomFields);
     }
 
     @Override
@@ -200,6 +240,7 @@ public String toString()
         sb.append("class Fanta {\n");
         sb.append("    sodaType: ").append(toIndentedString(sodaType)).append("\n");
         sb.append("    color: ").append(toIndentedString(color)).append("\n");
+        sb.append("    flavor: ").append(toIndentedString(flavor)).append("\n");
         cloudSdkCustomFields
             .forEach(( k, v ) -> sb.append("    ").append(k).append(": ").append(toIndentedString(v)).append("\n"));
         sb.append("}");

datamodel/openapi/openapi-api-sample/src/main/java/com/sap/cloud/sdk/datamodel/openapi/sample/model/FantaFlavor.java

@@ -0,0 +1,85 @@
+/*
+ * Copyright (c) 2025 SAP SE or an SAP affiliate company. All rights reserved.
+ */
+
+/*
+ * SodaStore API
+ * API for managing soda products and orders in SodaStore.
+ *
+ *
+ *
+ * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
+ * https://openapi-generator.tech
+ * Do not edit the class manually.
+ */
+
+package com.sap.cloud.sdk.datamodel.openapi.sample.model;
+
+import javax.annotation.Nonnull;
+
+import com.fasterxml.jackson.annotation.JsonCreator;
+import com.fasterxml.jackson.annotation.JsonValue;
+
+/**
+ * FantaFlavor
+ */
+public interface FantaFlavor
+{
+    /**
+     * Helper class to create a Integer that implements {@link FantaFlavor}.
+     */
+    record InnerInteger(@com.fasterxml.jackson.annotation.JsonValue @Nonnull Integer value) implements FantaFlavor {}
+
+    /**
+     * Creator to enable deserialization of a Integer.
+     *
+     * @param val
+     *            the value to use
+     * @return a new instance of {@link InnerInteger}.
+     */
+    @com.fasterxml.jackson.annotation.JsonCreator
+    @Nonnull
+    static InnerInteger create( @Nonnull final Integer val )
+    {
+        return new InnerInteger(val);
+    }
+
+    /**
+     * Helper class to create a FantaFlavorOneOf that implements {@link FantaFlavor}.
+     */
+    record InnerFantaFlavorOneOf(@com.fasterxml.jackson.annotation.JsonValue @Nonnull FantaFlavorOneOf value) implements FantaFlavor {}
+
+    /**
+     * Creator to enable deserialization of a FantaFlavorOneOf.
+     *
+     * @param val
+     *            the value to use
+     * @return a new instance of {@link InnerFantaFlavorOneOf}.
+     */
+    @com.fasterxml.jackson.annotation.JsonCreator
+    @Nonnull
+    static InnerFantaFlavorOneOf create( @Nonnull final FantaFlavorOneOf val )
+    {
+        return new InnerFantaFlavorOneOf(val);
+    }
+
+    /**
+     * Helper class to create a String that implements {@link FantaFlavor}.
+     */
+    record InnerString(@com.fasterxml.jackson.annotation.JsonValue @Nonnull String value) implements FantaFlavor {}
+
+    /**
+     * Creator to enable deserialization of a String.
+     *
+     * @param val
+     *            the value to use
+     * @return a new instance of {@link InnerString}.
+     */
+    @com.fasterxml.jackson.annotation.JsonCreator
+    @Nonnull
+    static InnerString create( @Nonnull final String val )
+    {
+        return new InnerString(val);
+    }
+
+}