jbang/kafka-apicurio-schema-registry/kafka-producer/src/main/java/com/acme/example/kafka/models/Order.java [16:658]:
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@org.apache.avro.specific.AvroGenerated
public class Order extends org.apache.avro.specific.SpecificRecordBase implements org.apache.avro.specific.SpecificRecord {
  private static final long serialVersionUID = -8676937297320921983L;


  public static final org.apache.avro.Schema SCHEMA$ = new org.apache.avro.Schema.Parser().parse("{\"type\":\"record\",\"name\":\"Order\",\"namespace\":\"com.acme.example.kafka.models\",\"doc\":\"Fact schema of an order\",\"fields\":[{\"name\":\"orderId\",\"type\":\"int\",\"doc\":\"Unique id of the order.\"},{\"name\":\"itemId\",\"type\":{\"type\":\"string\",\"avro.java.string\":\"String\"},\"doc\":\"Id of the ordered item.\"},{\"name\":\"userId\",\"type\":{\"type\":\"string\",\"avro.java.string\":\"String\"},\"doc\":\"Id of the user who ordered the item.\"},{\"name\":\"quantity\",\"type\":\"double\",\"doc\":\"How much was ordered.\"},{\"name\":\"description\",\"type\":{\"type\":\"string\",\"avro.java.string\":\"String\"},\"doc\":\"Description of item.\"}]}");
  public static org.apache.avro.Schema getClassSchema() { return SCHEMA$; }

  private static final SpecificData MODEL$ = new SpecificData();

  private static final BinaryMessageEncoder<Order> ENCODER =
      new BinaryMessageEncoder<>(MODEL$, SCHEMA$);

  private static final BinaryMessageDecoder<Order> DECODER =
      new BinaryMessageDecoder<>(MODEL$, SCHEMA$);

  /**
   * Return the BinaryMessageEncoder instance used by this class.
   * @return the message encoder used by this class
   */
  public static BinaryMessageEncoder<Order> getEncoder() {
    return ENCODER;
  }

  /**
   * Return the BinaryMessageDecoder instance used by this class.
   * @return the message decoder used by this class
   */
  public static BinaryMessageDecoder<Order> getDecoder() {
    return DECODER;
  }

  /**
   * Create a new BinaryMessageDecoder instance for this class that uses the specified {@link SchemaStore}.
   * @param resolver a {@link SchemaStore} used to find schemas by fingerprint
   * @return a BinaryMessageDecoder instance for this class backed by the given SchemaStore
   */
  public static BinaryMessageDecoder<Order> createDecoder(SchemaStore resolver) {
    return new BinaryMessageDecoder<>(MODEL$, SCHEMA$, resolver);
  }

  /**
   * Serializes this Order to a ByteBuffer.
   * @return a buffer holding the serialized data for this instance
   * @throws java.io.IOException if this instance could not be serialized
   */
  public java.nio.ByteBuffer toByteBuffer() throws java.io.IOException {
    return ENCODER.encode(this);
  }

  /**
   * Deserializes a Order from a ByteBuffer.
   * @param b a byte buffer holding serialized data for an instance of this class
   * @return a Order instance decoded from the given buffer
   * @throws java.io.IOException if the given bytes could not be deserialized into an instance of this class
   */
  public static Order fromByteBuffer(
      java.nio.ByteBuffer b) throws java.io.IOException {
    return DECODER.decode(b);
  }

  /** Unique id of the order. */
  private int orderId;
  /** Id of the ordered item. */
  private java.lang.String itemId;
  /** Id of the user who ordered the item. */
  private java.lang.String userId;
  /** How much was ordered. */
  private double quantity;
  /** Description of item. */
  private java.lang.String description;

  /**
   * Default constructor.  Note that this does not initialize fields
   * to their default values from the schema.  If that is desired then
   * one should use <code>newBuilder()</code>.
   */
  public Order() {}

  /**
   * All-args constructor.
   * @param orderId Unique id of the order.
   * @param itemId Id of the ordered item.
   * @param userId Id of the user who ordered the item.
   * @param quantity How much was ordered.
   * @param description Description of item.
   */
  public Order(java.lang.Integer orderId, java.lang.String itemId, java.lang.String userId, java.lang.Double quantity, java.lang.String description) {
    this.orderId = orderId;
    this.itemId = itemId;
    this.userId = userId;
    this.quantity = quantity;
    this.description = description;
  }

  @Override
  public org.apache.avro.specific.SpecificData getSpecificData() { return MODEL$; }

  @Override
  public org.apache.avro.Schema getSchema() { return SCHEMA$; }

  // Used by DatumWriter.  Applications should not call.
  @Override
  public java.lang.Object get(int field$) {
    switch (field$) {
    case 0: return orderId;
    case 1: return itemId;
    case 2: return userId;
    case 3: return quantity;
    case 4: return description;
    default: throw new IndexOutOfBoundsException("Invalid index: " + field$);
    }
  }

  // Used by DatumReader.  Applications should not call.
  @Override
  @SuppressWarnings(value="unchecked")
  public void put(int field$, java.lang.Object value$) {
    switch (field$) {
    case 0: orderId = (java.lang.Integer)value$; break;
    case 1: itemId = value$ != null ? value$.toString() : null; break;
    case 2: userId = value$ != null ? value$.toString() : null; break;
    case 3: quantity = (java.lang.Double)value$; break;
    case 4: description = value$ != null ? value$.toString() : null; break;
    default: throw new IndexOutOfBoundsException("Invalid index: " + field$);
    }
  }

  /**
   * Gets the value of the 'orderId' field.
   * @return Unique id of the order.
   */
  public int getOrderId() {
    return orderId;
  }


  /**
   * Sets the value of the 'orderId' field.
   * Unique id of the order.
   * @param value the value to set.
   */
  public void setOrderId(int value) {
    this.orderId = value;
  }

  /**
   * Gets the value of the 'itemId' field.
   * @return Id of the ordered item.
   */
  public java.lang.String getItemId() {
    return itemId;
  }


  /**
   * Sets the value of the 'itemId' field.
   * Id of the ordered item.
   * @param value the value to set.
   */
  public void setItemId(java.lang.String value) {
    this.itemId = value;
  }

  /**
   * Gets the value of the 'userId' field.
   * @return Id of the user who ordered the item.
   */
  public java.lang.String getUserId() {
    return userId;
  }


  /**
   * Sets the value of the 'userId' field.
   * Id of the user who ordered the item.
   * @param value the value to set.
   */
  public void setUserId(java.lang.String value) {
    this.userId = value;
  }

  /**
   * Gets the value of the 'quantity' field.
   * @return How much was ordered.
   */
  public double getQuantity() {
    return quantity;
  }


  /**
   * Sets the value of the 'quantity' field.
   * How much was ordered.
   * @param value the value to set.
   */
  public void setQuantity(double value) {
    this.quantity = value;
  }

  /**
   * Gets the value of the 'description' field.
   * @return Description of item.
   */
  public java.lang.String getDescription() {
    return description;
  }


  /**
   * Sets the value of the 'description' field.
   * Description of item.
   * @param value the value to set.
   */
  public void setDescription(java.lang.String value) {
    this.description = value;
  }

  /**
   * Creates a new Order RecordBuilder.
   * @return A new Order RecordBuilder
   */
  public static com.acme.example.kafka.models.Order.Builder newBuilder() {
    return new com.acme.example.kafka.models.Order.Builder();
  }

  /**
   * Creates a new Order RecordBuilder by copying an existing Builder.
   * @param other The existing builder to copy.
   * @return A new Order RecordBuilder
   */
  public static com.acme.example.kafka.models.Order.Builder newBuilder(com.acme.example.kafka.models.Order.Builder other) {
    if (other == null) {
      return new com.acme.example.kafka.models.Order.Builder();
    } else {
      return new com.acme.example.kafka.models.Order.Builder(other);
    }
  }

  /**
   * Creates a new Order RecordBuilder by copying an existing Order instance.
   * @param other The existing instance to copy.
   * @return A new Order RecordBuilder
   */
  public static com.acme.example.kafka.models.Order.Builder newBuilder(com.acme.example.kafka.models.Order other) {
    if (other == null) {
      return new com.acme.example.kafka.models.Order.Builder();
    } else {
      return new com.acme.example.kafka.models.Order.Builder(other);
    }
  }

  /**
   * RecordBuilder for Order instances.
   */
  @org.apache.avro.specific.AvroGenerated
  public static class Builder extends org.apache.avro.specific.SpecificRecordBuilderBase<Order>
    implements org.apache.avro.data.RecordBuilder<Order> {

    /** Unique id of the order. */
    private int orderId;
    /** Id of the ordered item. */
    private java.lang.String itemId;
    /** Id of the user who ordered the item. */
    private java.lang.String userId;
    /** How much was ordered. */
    private double quantity;
    /** Description of item. */
    private java.lang.String description;

    /** Creates a new Builder */
    private Builder() {
      super(SCHEMA$, MODEL$);
    }

    /**
     * Creates a Builder by copying an existing Builder.
     * @param other The existing Builder to copy.
     */
    private Builder(com.acme.example.kafka.models.Order.Builder other) {
      super(other);
      if (isValidValue(fields()[0], other.orderId)) {
        this.orderId = data().deepCopy(fields()[0].schema(), other.orderId);
        fieldSetFlags()[0] = other.fieldSetFlags()[0];
      }
      if (isValidValue(fields()[1], other.itemId)) {
        this.itemId = data().deepCopy(fields()[1].schema(), other.itemId);
        fieldSetFlags()[1] = other.fieldSetFlags()[1];
      }
      if (isValidValue(fields()[2], other.userId)) {
        this.userId = data().deepCopy(fields()[2].schema(), other.userId);
        fieldSetFlags()[2] = other.fieldSetFlags()[2];
      }
      if (isValidValue(fields()[3], other.quantity)) {
        this.quantity = data().deepCopy(fields()[3].schema(), other.quantity);
        fieldSetFlags()[3] = other.fieldSetFlags()[3];
      }
      if (isValidValue(fields()[4], other.description)) {
        this.description = data().deepCopy(fields()[4].schema(), other.description);
        fieldSetFlags()[4] = other.fieldSetFlags()[4];
      }
    }

    /**
     * Creates a Builder by copying an existing Order instance
     * @param other The existing instance to copy.
     */
    private Builder(com.acme.example.kafka.models.Order other) {
      super(SCHEMA$, MODEL$);
      if (isValidValue(fields()[0], other.orderId)) {
        this.orderId = data().deepCopy(fields()[0].schema(), other.orderId);
        fieldSetFlags()[0] = true;
      }
      if (isValidValue(fields()[1], other.itemId)) {
        this.itemId = data().deepCopy(fields()[1].schema(), other.itemId);
        fieldSetFlags()[1] = true;
      }
      if (isValidValue(fields()[2], other.userId)) {
        this.userId = data().deepCopy(fields()[2].schema(), other.userId);
        fieldSetFlags()[2] = true;
      }
      if (isValidValue(fields()[3], other.quantity)) {
        this.quantity = data().deepCopy(fields()[3].schema(), other.quantity);
        fieldSetFlags()[3] = true;
      }
      if (isValidValue(fields()[4], other.description)) {
        this.description = data().deepCopy(fields()[4].schema(), other.description);
        fieldSetFlags()[4] = true;
      }
    }

    /**
      * Gets the value of the 'orderId' field.
      * Unique id of the order.
      * @return The value.
      */
    public int getOrderId() {
      return orderId;
    }


    /**
      * Sets the value of the 'orderId' field.
      * Unique id of the order.
      * @param value The value of 'orderId'.
      * @return This builder.
      */
    public com.acme.example.kafka.models.Order.Builder setOrderId(int value) {
      validate(fields()[0], value);
      this.orderId = value;
      fieldSetFlags()[0] = true;
      return this;
    }

    /**
      * Checks whether the 'orderId' field has been set.
      * Unique id of the order.
      * @return True if the 'orderId' field has been set, false otherwise.
      */
    public boolean hasOrderId() {
      return fieldSetFlags()[0];
    }


    /**
      * Clears the value of the 'orderId' field.
      * Unique id of the order.
      * @return This builder.
      */
    public com.acme.example.kafka.models.Order.Builder clearOrderId() {
      fieldSetFlags()[0] = false;
      return this;
    }

    /**
      * Gets the value of the 'itemId' field.
      * Id of the ordered item.
      * @return The value.
      */
    public java.lang.String getItemId() {
      return itemId;
    }


    /**
      * Sets the value of the 'itemId' field.
      * Id of the ordered item.
      * @param value The value of 'itemId'.
      * @return This builder.
      */
    public com.acme.example.kafka.models.Order.Builder setItemId(java.lang.String value) {
      validate(fields()[1], value);
      this.itemId = value;
      fieldSetFlags()[1] = true;
      return this;
    }

    /**
      * Checks whether the 'itemId' field has been set.
      * Id of the ordered item.
      * @return True if the 'itemId' field has been set, false otherwise.
      */
    public boolean hasItemId() {
      return fieldSetFlags()[1];
    }


    /**
      * Clears the value of the 'itemId' field.
      * Id of the ordered item.
      * @return This builder.
      */
    public com.acme.example.kafka.models.Order.Builder clearItemId() {
      itemId = null;
      fieldSetFlags()[1] = false;
      return this;
    }

    /**
      * Gets the value of the 'userId' field.
      * Id of the user who ordered the item.
      * @return The value.
      */
    public java.lang.String getUserId() {
      return userId;
    }


    /**
      * Sets the value of the 'userId' field.
      * Id of the user who ordered the item.
      * @param value The value of 'userId'.
      * @return This builder.
      */
    public com.acme.example.kafka.models.Order.Builder setUserId(java.lang.String value) {
      validate(fields()[2], value);
      this.userId = value;
      fieldSetFlags()[2] = true;
      return this;
    }

    /**
      * Checks whether the 'userId' field has been set.
      * Id of the user who ordered the item.
      * @return True if the 'userId' field has been set, false otherwise.
      */
    public boolean hasUserId() {
      return fieldSetFlags()[2];
    }


    /**
      * Clears the value of the 'userId' field.
      * Id of the user who ordered the item.
      * @return This builder.
      */
    public com.acme.example.kafka.models.Order.Builder clearUserId() {
      userId = null;
      fieldSetFlags()[2] = false;
      return this;
    }

    /**
      * Gets the value of the 'quantity' field.
      * How much was ordered.
      * @return The value.
      */
    public double getQuantity() {
      return quantity;
    }


    /**
      * Sets the value of the 'quantity' field.
      * How much was ordered.
      * @param value The value of 'quantity'.
      * @return This builder.
      */
    public com.acme.example.kafka.models.Order.Builder setQuantity(double value) {
      validate(fields()[3], value);
      this.quantity = value;
      fieldSetFlags()[3] = true;
      return this;
    }

    /**
      * Checks whether the 'quantity' field has been set.
      * How much was ordered.
      * @return True if the 'quantity' field has been set, false otherwise.
      */
    public boolean hasQuantity() {
      return fieldSetFlags()[3];
    }


    /**
      * Clears the value of the 'quantity' field.
      * How much was ordered.
      * @return This builder.
      */
    public com.acme.example.kafka.models.Order.Builder clearQuantity() {
      fieldSetFlags()[3] = false;
      return this;
    }

    /**
      * Gets the value of the 'description' field.
      * Description of item.
      * @return The value.
      */
    public java.lang.String getDescription() {
      return description;
    }


    /**
      * Sets the value of the 'description' field.
      * Description of item.
      * @param value The value of 'description'.
      * @return This builder.
      */
    public com.acme.example.kafka.models.Order.Builder setDescription(java.lang.String value) {
      validate(fields()[4], value);
      this.description = value;
      fieldSetFlags()[4] = true;
      return this;
    }

    /**
      * Checks whether the 'description' field has been set.
      * Description of item.
      * @return True if the 'description' field has been set, false otherwise.
      */
    public boolean hasDescription() {
      return fieldSetFlags()[4];
    }


    /**
      * Clears the value of the 'description' field.
      * Description of item.
      * @return This builder.
      */
    public com.acme.example.kafka.models.Order.Builder clearDescription() {
      description = null;
      fieldSetFlags()[4] = false;
      return this;
    }

    @Override
    @SuppressWarnings("unchecked")
    public Order build() {
      try {
        Order record = new Order();
        record.orderId = fieldSetFlags()[0] ? this.orderId : (java.lang.Integer) defaultValue(fields()[0]);
        record.itemId = fieldSetFlags()[1] ? this.itemId : (java.lang.String) defaultValue(fields()[1]);
        record.userId = fieldSetFlags()[2] ? this.userId : (java.lang.String) defaultValue(fields()[2]);
        record.quantity = fieldSetFlags()[3] ? this.quantity : (java.lang.Double) defaultValue(fields()[3]);
        record.description = fieldSetFlags()[4] ? this.description : (java.lang.String) defaultValue(fields()[4]);
        return record;
      } catch (org.apache.avro.AvroMissingFieldException e) {
        throw e;
      } catch (java.lang.Exception e) {
        throw new org.apache.avro.AvroRuntimeException(e);
      }
    }
  }

  @SuppressWarnings("unchecked")
  private static final org.apache.avro.io.DatumWriter<Order>
    WRITER$ = (org.apache.avro.io.DatumWriter<Order>)MODEL$.createDatumWriter(SCHEMA$);

  @Override public void writeExternal(java.io.ObjectOutput out)
    throws java.io.IOException {
    WRITER$.write(this, SpecificData.getEncoder(out));
  }

  @SuppressWarnings("unchecked")
  private static final org.apache.avro.io.DatumReader<Order>
    READER$ = (org.apache.avro.io.DatumReader<Order>)MODEL$.createDatumReader(SCHEMA$);

  @Override public void readExternal(java.io.ObjectInput in)
    throws java.io.IOException {
    READER$.read(this, SpecificData.getDecoder(in));
  }

  @Override protected boolean hasCustomCoders() { return true; }

  @Override public void customEncode(org.apache.avro.io.Encoder out)
    throws java.io.IOException
  {
    out.writeInt(this.orderId);

    out.writeString(this.itemId);

    out.writeString(this.userId);

    out.writeDouble(this.quantity);

    out.writeString(this.description);

  }

  @Override public void customDecode(org.apache.avro.io.ResolvingDecoder in)
    throws java.io.IOException
  {
    org.apache.avro.Schema.Field[] fieldOrder = in.readFieldOrderIfDiff();
    if (fieldOrder == null) {
      this.orderId = in.readInt();

      this.itemId = in.readString();

      this.userId = in.readString();

      this.quantity = in.readDouble();

      this.description = in.readString();

    } else {
      for (int i = 0; i < 5; i++) {
        switch (fieldOrder[i].pos()) {
        case 0:
          this.orderId = in.readInt();
          break;

        case 1:
          this.itemId = in.readString();
          break;

        case 2:
          this.userId = in.readString();
          break;

        case 3:
          this.quantity = in.readDouble();
          break;

        case 4:
          this.description = in.readString();
          break;

        default:
          throw new java.io.IOException("Corrupt ResolvingDecoder.");
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jbang/kafka-apicurio-secured-schema-registry/kafka-producer/src/main/java/com/acme/example/kafka/models/Order.java [16:658]:
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@org.apache.avro.specific.AvroGenerated
public class Order extends org.apache.avro.specific.SpecificRecordBase implements org.apache.avro.specific.SpecificRecord {
  private static final long serialVersionUID = -8676937297320921983L;


  public static final org.apache.avro.Schema SCHEMA$ = new org.apache.avro.Schema.Parser().parse("{\"type\":\"record\",\"name\":\"Order\",\"namespace\":\"com.acme.example.kafka.models\",\"doc\":\"Fact schema of an order\",\"fields\":[{\"name\":\"orderId\",\"type\":\"int\",\"doc\":\"Unique id of the order.\"},{\"name\":\"itemId\",\"type\":{\"type\":\"string\",\"avro.java.string\":\"String\"},\"doc\":\"Id of the ordered item.\"},{\"name\":\"userId\",\"type\":{\"type\":\"string\",\"avro.java.string\":\"String\"},\"doc\":\"Id of the user who ordered the item.\"},{\"name\":\"quantity\",\"type\":\"double\",\"doc\":\"How much was ordered.\"},{\"name\":\"description\",\"type\":{\"type\":\"string\",\"avro.java.string\":\"String\"},\"doc\":\"Description of item.\"}]}");
  public static org.apache.avro.Schema getClassSchema() { return SCHEMA$; }

  private static final SpecificData MODEL$ = new SpecificData();

  private static final BinaryMessageEncoder<Order> ENCODER =
      new BinaryMessageEncoder<>(MODEL$, SCHEMA$);

  private static final BinaryMessageDecoder<Order> DECODER =
      new BinaryMessageDecoder<>(MODEL$, SCHEMA$);

  /**
   * Return the BinaryMessageEncoder instance used by this class.
   * @return the message encoder used by this class
   */
  public static BinaryMessageEncoder<Order> getEncoder() {
    return ENCODER;
  }

  /**
   * Return the BinaryMessageDecoder instance used by this class.
   * @return the message decoder used by this class
   */
  public static BinaryMessageDecoder<Order> getDecoder() {
    return DECODER;
  }

  /**
   * Create a new BinaryMessageDecoder instance for this class that uses the specified {@link SchemaStore}.
   * @param resolver a {@link SchemaStore} used to find schemas by fingerprint
   * @return a BinaryMessageDecoder instance for this class backed by the given SchemaStore
   */
  public static BinaryMessageDecoder<Order> createDecoder(SchemaStore resolver) {
    return new BinaryMessageDecoder<>(MODEL$, SCHEMA$, resolver);
  }

  /**
   * Serializes this Order to a ByteBuffer.
   * @return a buffer holding the serialized data for this instance
   * @throws java.io.IOException if this instance could not be serialized
   */
  public java.nio.ByteBuffer toByteBuffer() throws java.io.IOException {
    return ENCODER.encode(this);
  }

  /**
   * Deserializes a Order from a ByteBuffer.
   * @param b a byte buffer holding serialized data for an instance of this class
   * @return a Order instance decoded from the given buffer
   * @throws java.io.IOException if the given bytes could not be deserialized into an instance of this class
   */
  public static Order fromByteBuffer(
      java.nio.ByteBuffer b) throws java.io.IOException {
    return DECODER.decode(b);
  }

  /** Unique id of the order. */
  private int orderId;
  /** Id of the ordered item. */
  private java.lang.String itemId;
  /** Id of the user who ordered the item. */
  private java.lang.String userId;
  /** How much was ordered. */
  private double quantity;
  /** Description of item. */
  private java.lang.String description;

  /**
   * Default constructor.  Note that this does not initialize fields
   * to their default values from the schema.  If that is desired then
   * one should use <code>newBuilder()</code>.
   */
  public Order() {}

  /**
   * All-args constructor.
   * @param orderId Unique id of the order.
   * @param itemId Id of the ordered item.
   * @param userId Id of the user who ordered the item.
   * @param quantity How much was ordered.
   * @param description Description of item.
   */
  public Order(java.lang.Integer orderId, java.lang.String itemId, java.lang.String userId, java.lang.Double quantity, java.lang.String description) {
    this.orderId = orderId;
    this.itemId = itemId;
    this.userId = userId;
    this.quantity = quantity;
    this.description = description;
  }

  @Override
  public org.apache.avro.specific.SpecificData getSpecificData() { return MODEL$; }

  @Override
  public org.apache.avro.Schema getSchema() { return SCHEMA$; }

  // Used by DatumWriter.  Applications should not call.
  @Override
  public java.lang.Object get(int field$) {
    switch (field$) {
    case 0: return orderId;
    case 1: return itemId;
    case 2: return userId;
    case 3: return quantity;
    case 4: return description;
    default: throw new IndexOutOfBoundsException("Invalid index: " + field$);
    }
  }

  // Used by DatumReader.  Applications should not call.
  @Override
  @SuppressWarnings(value="unchecked")
  public void put(int field$, java.lang.Object value$) {
    switch (field$) {
    case 0: orderId = (java.lang.Integer)value$; break;
    case 1: itemId = value$ != null ? value$.toString() : null; break;
    case 2: userId = value$ != null ? value$.toString() : null; break;
    case 3: quantity = (java.lang.Double)value$; break;
    case 4: description = value$ != null ? value$.toString() : null; break;
    default: throw new IndexOutOfBoundsException("Invalid index: " + field$);
    }
  }

  /**
   * Gets the value of the 'orderId' field.
   * @return Unique id of the order.
   */
  public int getOrderId() {
    return orderId;
  }


  /**
   * Sets the value of the 'orderId' field.
   * Unique id of the order.
   * @param value the value to set.
   */
  public void setOrderId(int value) {
    this.orderId = value;
  }

  /**
   * Gets the value of the 'itemId' field.
   * @return Id of the ordered item.
   */
  public java.lang.String getItemId() {
    return itemId;
  }


  /**
   * Sets the value of the 'itemId' field.
   * Id of the ordered item.
   * @param value the value to set.
   */
  public void setItemId(java.lang.String value) {
    this.itemId = value;
  }

  /**
   * Gets the value of the 'userId' field.
   * @return Id of the user who ordered the item.
   */
  public java.lang.String getUserId() {
    return userId;
  }


  /**
   * Sets the value of the 'userId' field.
   * Id of the user who ordered the item.
   * @param value the value to set.
   */
  public void setUserId(java.lang.String value) {
    this.userId = value;
  }

  /**
   * Gets the value of the 'quantity' field.
   * @return How much was ordered.
   */
  public double getQuantity() {
    return quantity;
  }


  /**
   * Sets the value of the 'quantity' field.
   * How much was ordered.
   * @param value the value to set.
   */
  public void setQuantity(double value) {
    this.quantity = value;
  }

  /**
   * Gets the value of the 'description' field.
   * @return Description of item.
   */
  public java.lang.String getDescription() {
    return description;
  }


  /**
   * Sets the value of the 'description' field.
   * Description of item.
   * @param value the value to set.
   */
  public void setDescription(java.lang.String value) {
    this.description = value;
  }

  /**
   * Creates a new Order RecordBuilder.
   * @return A new Order RecordBuilder
   */
  public static com.acme.example.kafka.models.Order.Builder newBuilder() {
    return new com.acme.example.kafka.models.Order.Builder();
  }

  /**
   * Creates a new Order RecordBuilder by copying an existing Builder.
   * @param other The existing builder to copy.
   * @return A new Order RecordBuilder
   */
  public static com.acme.example.kafka.models.Order.Builder newBuilder(com.acme.example.kafka.models.Order.Builder other) {
    if (other == null) {
      return new com.acme.example.kafka.models.Order.Builder();
    } else {
      return new com.acme.example.kafka.models.Order.Builder(other);
    }
  }

  /**
   * Creates a new Order RecordBuilder by copying an existing Order instance.
   * @param other The existing instance to copy.
   * @return A new Order RecordBuilder
   */
  public static com.acme.example.kafka.models.Order.Builder newBuilder(com.acme.example.kafka.models.Order other) {
    if (other == null) {
      return new com.acme.example.kafka.models.Order.Builder();
    } else {
      return new com.acme.example.kafka.models.Order.Builder(other);
    }
  }

  /**
   * RecordBuilder for Order instances.
   */
  @org.apache.avro.specific.AvroGenerated
  public static class Builder extends org.apache.avro.specific.SpecificRecordBuilderBase<Order>
    implements org.apache.avro.data.RecordBuilder<Order> {

    /** Unique id of the order. */
    private int orderId;
    /** Id of the ordered item. */
    private java.lang.String itemId;
    /** Id of the user who ordered the item. */
    private java.lang.String userId;
    /** How much was ordered. */
    private double quantity;
    /** Description of item. */
    private java.lang.String description;

    /** Creates a new Builder */
    private Builder() {
      super(SCHEMA$, MODEL$);
    }

    /**
     * Creates a Builder by copying an existing Builder.
     * @param other The existing Builder to copy.
     */
    private Builder(com.acme.example.kafka.models.Order.Builder other) {
      super(other);
      if (isValidValue(fields()[0], other.orderId)) {
        this.orderId = data().deepCopy(fields()[0].schema(), other.orderId);
        fieldSetFlags()[0] = other.fieldSetFlags()[0];
      }
      if (isValidValue(fields()[1], other.itemId)) {
        this.itemId = data().deepCopy(fields()[1].schema(), other.itemId);
        fieldSetFlags()[1] = other.fieldSetFlags()[1];
      }
      if (isValidValue(fields()[2], other.userId)) {
        this.userId = data().deepCopy(fields()[2].schema(), other.userId);
        fieldSetFlags()[2] = other.fieldSetFlags()[2];
      }
      if (isValidValue(fields()[3], other.quantity)) {
        this.quantity = data().deepCopy(fields()[3].schema(), other.quantity);
        fieldSetFlags()[3] = other.fieldSetFlags()[3];
      }
      if (isValidValue(fields()[4], other.description)) {
        this.description = data().deepCopy(fields()[4].schema(), other.description);
        fieldSetFlags()[4] = other.fieldSetFlags()[4];
      }
    }

    /**
     * Creates a Builder by copying an existing Order instance
     * @param other The existing instance to copy.
     */
    private Builder(com.acme.example.kafka.models.Order other) {
      super(SCHEMA$, MODEL$);
      if (isValidValue(fields()[0], other.orderId)) {
        this.orderId = data().deepCopy(fields()[0].schema(), other.orderId);
        fieldSetFlags()[0] = true;
      }
      if (isValidValue(fields()[1], other.itemId)) {
        this.itemId = data().deepCopy(fields()[1].schema(), other.itemId);
        fieldSetFlags()[1] = true;
      }
      if (isValidValue(fields()[2], other.userId)) {
        this.userId = data().deepCopy(fields()[2].schema(), other.userId);
        fieldSetFlags()[2] = true;
      }
      if (isValidValue(fields()[3], other.quantity)) {
        this.quantity = data().deepCopy(fields()[3].schema(), other.quantity);
        fieldSetFlags()[3] = true;
      }
      if (isValidValue(fields()[4], other.description)) {
        this.description = data().deepCopy(fields()[4].schema(), other.description);
        fieldSetFlags()[4] = true;
      }
    }

    /**
      * Gets the value of the 'orderId' field.
      * Unique id of the order.
      * @return The value.
      */
    public int getOrderId() {
      return orderId;
    }


    /**
      * Sets the value of the 'orderId' field.
      * Unique id of the order.
      * @param value The value of 'orderId'.
      * @return This builder.
      */
    public com.acme.example.kafka.models.Order.Builder setOrderId(int value) {
      validate(fields()[0], value);
      this.orderId = value;
      fieldSetFlags()[0] = true;
      return this;
    }

    /**
      * Checks whether the 'orderId' field has been set.
      * Unique id of the order.
      * @return True if the 'orderId' field has been set, false otherwise.
      */
    public boolean hasOrderId() {
      return fieldSetFlags()[0];
    }


    /**
      * Clears the value of the 'orderId' field.
      * Unique id of the order.
      * @return This builder.
      */
    public com.acme.example.kafka.models.Order.Builder clearOrderId() {
      fieldSetFlags()[0] = false;
      return this;
    }

    /**
      * Gets the value of the 'itemId' field.
      * Id of the ordered item.
      * @return The value.
      */
    public java.lang.String getItemId() {
      return itemId;
    }


    /**
      * Sets the value of the 'itemId' field.
      * Id of the ordered item.
      * @param value The value of 'itemId'.
      * @return This builder.
      */
    public com.acme.example.kafka.models.Order.Builder setItemId(java.lang.String value) {
      validate(fields()[1], value);
      this.itemId = value;
      fieldSetFlags()[1] = true;
      return this;
    }

    /**
      * Checks whether the 'itemId' field has been set.
      * Id of the ordered item.
      * @return True if the 'itemId' field has been set, false otherwise.
      */
    public boolean hasItemId() {
      return fieldSetFlags()[1];
    }


    /**
      * Clears the value of the 'itemId' field.
      * Id of the ordered item.
      * @return This builder.
      */
    public com.acme.example.kafka.models.Order.Builder clearItemId() {
      itemId = null;
      fieldSetFlags()[1] = false;
      return this;
    }

    /**
      * Gets the value of the 'userId' field.
      * Id of the user who ordered the item.
      * @return The value.
      */
    public java.lang.String getUserId() {
      return userId;
    }


    /**
      * Sets the value of the 'userId' field.
      * Id of the user who ordered the item.
      * @param value The value of 'userId'.
      * @return This builder.
      */
    public com.acme.example.kafka.models.Order.Builder setUserId(java.lang.String value) {
      validate(fields()[2], value);
      this.userId = value;
      fieldSetFlags()[2] = true;
      return this;
    }

    /**
      * Checks whether the 'userId' field has been set.
      * Id of the user who ordered the item.
      * @return True if the 'userId' field has been set, false otherwise.
      */
    public boolean hasUserId() {
      return fieldSetFlags()[2];
    }


    /**
      * Clears the value of the 'userId' field.
      * Id of the user who ordered the item.
      * @return This builder.
      */
    public com.acme.example.kafka.models.Order.Builder clearUserId() {
      userId = null;
      fieldSetFlags()[2] = false;
      return this;
    }

    /**
      * Gets the value of the 'quantity' field.
      * How much was ordered.
      * @return The value.
      */
    public double getQuantity() {
      return quantity;
    }


    /**
      * Sets the value of the 'quantity' field.
      * How much was ordered.
      * @param value The value of 'quantity'.
      * @return This builder.
      */
    public com.acme.example.kafka.models.Order.Builder setQuantity(double value) {
      validate(fields()[3], value);
      this.quantity = value;
      fieldSetFlags()[3] = true;
      return this;
    }

    /**
      * Checks whether the 'quantity' field has been set.
      * How much was ordered.
      * @return True if the 'quantity' field has been set, false otherwise.
      */
    public boolean hasQuantity() {
      return fieldSetFlags()[3];
    }


    /**
      * Clears the value of the 'quantity' field.
      * How much was ordered.
      * @return This builder.
      */
    public com.acme.example.kafka.models.Order.Builder clearQuantity() {
      fieldSetFlags()[3] = false;
      return this;
    }

    /**
      * Gets the value of the 'description' field.
      * Description of item.
      * @return The value.
      */
    public java.lang.String getDescription() {
      return description;
    }


    /**
      * Sets the value of the 'description' field.
      * Description of item.
      * @param value The value of 'description'.
      * @return This builder.
      */
    public com.acme.example.kafka.models.Order.Builder setDescription(java.lang.String value) {
      validate(fields()[4], value);
      this.description = value;
      fieldSetFlags()[4] = true;
      return this;
    }

    /**
      * Checks whether the 'description' field has been set.
      * Description of item.
      * @return True if the 'description' field has been set, false otherwise.
      */
    public boolean hasDescription() {
      return fieldSetFlags()[4];
    }


    /**
      * Clears the value of the 'description' field.
      * Description of item.
      * @return This builder.
      */
    public com.acme.example.kafka.models.Order.Builder clearDescription() {
      description = null;
      fieldSetFlags()[4] = false;
      return this;
    }

    @Override
    @SuppressWarnings("unchecked")
    public Order build() {
      try {
        Order record = new Order();
        record.orderId = fieldSetFlags()[0] ? this.orderId : (java.lang.Integer) defaultValue(fields()[0]);
        record.itemId = fieldSetFlags()[1] ? this.itemId : (java.lang.String) defaultValue(fields()[1]);
        record.userId = fieldSetFlags()[2] ? this.userId : (java.lang.String) defaultValue(fields()[2]);
        record.quantity = fieldSetFlags()[3] ? this.quantity : (java.lang.Double) defaultValue(fields()[3]);
        record.description = fieldSetFlags()[4] ? this.description : (java.lang.String) defaultValue(fields()[4]);
        return record;
      } catch (org.apache.avro.AvroMissingFieldException e) {
        throw e;
      } catch (java.lang.Exception e) {
        throw new org.apache.avro.AvroRuntimeException(e);
      }
    }
  }

  @SuppressWarnings("unchecked")
  private static final org.apache.avro.io.DatumWriter<Order>
    WRITER$ = (org.apache.avro.io.DatumWriter<Order>)MODEL$.createDatumWriter(SCHEMA$);

  @Override public void writeExternal(java.io.ObjectOutput out)
    throws java.io.IOException {
    WRITER$.write(this, SpecificData.getEncoder(out));
  }

  @SuppressWarnings("unchecked")
  private static final org.apache.avro.io.DatumReader<Order>
    READER$ = (org.apache.avro.io.DatumReader<Order>)MODEL$.createDatumReader(SCHEMA$);

  @Override public void readExternal(java.io.ObjectInput in)
    throws java.io.IOException {
    READER$.read(this, SpecificData.getDecoder(in));
  }

  @Override protected boolean hasCustomCoders() { return true; }

  @Override public void customEncode(org.apache.avro.io.Encoder out)
    throws java.io.IOException
  {
    out.writeInt(this.orderId);

    out.writeString(this.itemId);

    out.writeString(this.userId);

    out.writeDouble(this.quantity);

    out.writeString(this.description);

  }

  @Override public void customDecode(org.apache.avro.io.ResolvingDecoder in)
    throws java.io.IOException
  {
    org.apache.avro.Schema.Field[] fieldOrder = in.readFieldOrderIfDiff();
    if (fieldOrder == null) {
      this.orderId = in.readInt();

      this.itemId = in.readString();

      this.userId = in.readString();

      this.quantity = in.readDouble();

      this.description = in.readString();

    } else {
      for (int i = 0; i < 5; i++) {
        switch (fieldOrder[i].pos()) {
        case 0:
          this.orderId = in.readInt();
          break;

        case 1:
          this.itemId = in.readString();
          break;

        case 2:
          this.userId = in.readString();
          break;

        case 3:
          this.quantity = in.readDouble();
          break;

        case 4:
          this.description = in.readString();
          break;

        default:
          throw new java.io.IOException("Corrupt ResolvingDecoder.");
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