fix: [OpenAPI] Fix Enum Discriminator (#695)

Author: MatKuhr

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

@@ -0,0 +1,296 @@
+/*
+ * 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 java.util.LinkedHashMap;
+import java.util.Map;
+import java.util.NoSuchElementException;
+import java.util.Objects;
+import java.util.Set;
+
+import javax.annotation.Nonnull;
+import javax.annotation.Nullable;
+
+import com.fasterxml.jackson.annotation.JsonAnyGetter;
+import com.fasterxml.jackson.annotation.JsonAnySetter;
+import com.fasterxml.jackson.annotation.JsonCreator;
+import com.fasterxml.jackson.annotation.JsonIgnore;
+import com.fasterxml.jackson.annotation.JsonProperty;
+import com.fasterxml.jackson.annotation.JsonValue;
+
+/**
+ * Bar
+ */
+// CHECKSTYLE:OFF
+public class Bar implements OneOfWithEnumDiscriminator
+// CHECKSTYLE:ON
+{
+    @JsonProperty( "bar" )
+    private String bar;
+
+    /**
+     * Gets or Sets disc
+     */
+    public enum DiscEnum
+    {
+        /**
+         * The DISC_BAR option of this Bar
+         */
+        DISC_BAR("disc_bar"),
+
+        /**
+         * The UNKNOWN_DEFAULT_OPEN_API option of this Bar
+         */
+        UNKNOWN_DEFAULT_OPEN_API("unknown_default_open_api");
+
+        private String value;
+
+        DiscEnum( String value )
+        {
+            this.value = value;
+        }
+
+        /**
+         * Get the value of the enum
+         *
+         * @return The enum value
+         */
+        @JsonValue
+        @Nonnull
+        public String getValue()
+        {
+            return value;
+        }
+
+        /**
+         * Get the String value of the enum value.
+         *
+         * @return The enum value as String
+         */
+        @Override
+        @Nonnull
+        public String toString()
+        {
+            return String.valueOf(value);
+        }
+
+        /**
+         * Get the enum value from a String value
+         *
+         * @param value
+         *            The String value
+         * @return The enum value of type Bar
+         */
+        @JsonCreator
+        @Nonnull
+        public static DiscEnum fromValue( @Nonnull final String value )
+        {
+            for( DiscEnum b : DiscEnum.values() ) {
+                if( b.value.equals(value) ) {
+                    return b;
+                }
+            }
+            return UNKNOWN_DEFAULT_OPEN_API;
+        }
+    }
+
+    @JsonProperty( "disc" )
+    private DiscEnum disc;
+
+    @JsonAnySetter
+    @JsonAnyGetter
+    private final Map<String, Object> cloudSdkCustomFields = new LinkedHashMap<>();
+
+    /**
+     * Default constructor for Bar.
+     */
+    protected Bar()
+    {
+    }
+
+    /**
+     * Set the bar of this {@link Bar} instance and return the same instance.
+     *
+     * @param bar
+     *            The bar of this {@link Bar}
+     * @return The same instance of this {@link Bar} class
+     */
+    @Nonnull
+    public Bar bar( @Nullable final String bar )
+    {
+        this.bar = bar;
+        return this;
+    }
+
+    /**
+     * Get bar
+     *
+     * @return bar The bar of this {@link Bar} instance.
+     */
+    @Nonnull
+    public String getBar()
+    {
+        return bar;
+    }
+
+    /**
+     * Set the bar of this {@link Bar} instance.
+     *
+     * @param bar
+     *            The bar of this {@link Bar}
+     */
+    public void setBar( @Nullable final String bar )
+    {
+        this.bar = bar;
+    }
+
+    /**
+     * Set the disc of this {@link Bar} instance and return the same instance.
+     *
+     * @param disc
+     *            The disc of this {@link Bar}
+     * @return The same instance of this {@link Bar} class
+     */
+    @Nonnull
+    public Bar disc( @Nullable final DiscEnum disc )
+    {
+        this.disc = disc;
+        return this;
+    }
+
+    /**
+     * Get disc
+     *
+     * @return disc The disc of this {@link Bar} instance.
+     */
+    @Nonnull
+    public DiscEnum getDisc()
+    {
+        return disc;
+    }
+
+    /**
+     * Set the disc of this {@link Bar} instance.
+     *
+     * @param disc
+     *            The disc of this {@link Bar}
+     */
+    public void setDisc( @Nullable final DiscEnum disc )
+    {
+        this.disc = disc;
+    }
+
+    /**
+     * Get the names of the unrecognizable properties of the {@link Bar}.
+     *
+     * @return The set of properties names
+     */
+    @JsonIgnore
+    @Nonnull
+    public Set<String> getCustomFieldNames()
+    {
+        return cloudSdkCustomFields.keySet();
+    }
+
+    /**
+     * Get the value of an unrecognizable property of this {@link Bar} instance.
+     *
+     * @param name
+     *            The name of the property
+     * @return The value of the property
+     * @throws NoSuchElementException
+     *             If no property with the given name could be found.
+     */
+    @Nullable
+    public Object getCustomField( @Nonnull final String name )
+        throws NoSuchElementException
+    {
+        if( !cloudSdkCustomFields.containsKey(name) ) {
+            throw new NoSuchElementException("Bar has no field with name '" + name + "'.");
+        }
+        return cloudSdkCustomFields.get(name);
+    }
+
+    /**
+     * Set an unrecognizable property of this {@link Bar} instance. If the map previously contained a mapping for the
+     * key, the old value is replaced by the specified value.
+     *
+     * @param customFieldName
+     *            The name of the property
+     * @param customFieldValue
+     *            The value of the property
+     */
+    @JsonIgnore
+    public void setCustomField( @Nonnull String customFieldName, @Nullable Object customFieldValue )
+    {
+        cloudSdkCustomFields.put(customFieldName, customFieldValue);
+    }
+
+    @Override
+    public boolean equals( @Nullable final java.lang.Object o )
+    {
+        if( this == o ) {
+            return true;
+        }
+        if( o == null || getClass() != o.getClass() ) {
+            return false;
+        }
+        final Bar bar = (Bar) o;
+        return Objects.equals(this.cloudSdkCustomFields, bar.cloudSdkCustomFields)
+            && Objects.equals(this.bar, bar.bar)
+            && Objects.equals(this.disc, bar.disc);
+    }
+
+    @Override
+    public int hashCode()
+    {
+        return Objects.hash(bar, disc, cloudSdkCustomFields);
+    }
+
+    @Override
+    @Nonnull
+    public String toString()
+    {
+        final StringBuilder sb = new StringBuilder();
+        sb.append("class Bar {\n");
+        sb.append("    bar: ").append(toIndentedString(bar)).append("\n");
+        sb.append("    disc: ").append(toIndentedString(disc)).append("\n");
+        cloudSdkCustomFields
+            .forEach(( k, v ) -> sb.append("    ").append(k).append(": ").append(toIndentedString(v)).append("\n"));
+        sb.append("}");
+        return sb.toString();
+    }
+
+    /**
+     * Convert the given object to string with each line indented by 4 spaces (except the first line).
+     */
+    private String toIndentedString( final java.lang.Object o )
+    {
+        if( o == null ) {
+            return "null";
+        }
+        return o.toString().replace("\n", "\n    ");
+    }
+
+    /**
+     * Create a new {@link Bar} instance. No arguments are required.
+     */
+    public static Bar create()
+    {
+        return new Bar();
+    }
+
+}