AsyncAPI Gernerator skips to generate java code for spec part containing "allOf"-element

[taotao100]

Describe the bug

AsyncAPI Gernerator skips to generate java code for spec part containing "allOf"-element

How to Reproduce

using the following sample spec to generate java classes

asyncapi: 2.6.0
info:
  title: Hello world application
  version: "0.1.0"
channels:
  hello:
    publish:
      message:
        payload:
          $ref: "#/components/schemas/type1"

components:
  messages:
    myMessage:
      name: myTestMessage
      payload:
        $ref: "#/components/schemas/type1"
      headers:
        allOf:
          - $ref: "#/components/schemas/type1"
          - $ref: "#/components/schemas/type2"
  schemas:
    type1:
      type: string
    type2:
      type: string

code generation through cli
asyncapi generate fromTemplate ./test-sample.yaml @asyncapi/java-spring-template -p javaPackage=Exporter.models --output allofTest
The java class does not contain expected 'Headers'-element see java code below

package Exporter.models.model;

import javax.validation.Valid;

import java.util.Objects;
import java.util.List;


public class MyTestMessage {
    private @Valid Type1 payload;

    public Type1 getPayload() {
        return payload;
    }

    public void setPayload(Type1 payload) {
        this.payload = payload;
    }

    @Override
    public boolean equals(Object o) {
        if (this == o) {
            return true;
        }
        if (o == null || getClass() != o.getClass()) {
            return false;
        }
        MyTestMessage event = (MyTestMessage) o;
        return Objects.equals(this.payload, event.payload);
    }

    @Override
    public int hashCode() {
        return Objects.hash(payload);
    }

    @Override
    public String toString() {
        return "class MyTestMessage {\n" +
                "    payload: " + toIndentedString(payload) + "\n" +
                "}";
    }

    /**
     * Convert the given object to string with each line indented by 4 spaces (except the first line).
     */
    private String toIndentedString(Object o) {
        if (o == null) {
            return "null";
        }
        return o.toString().replace("\n", "\n    ");
    }
}

Expected behavior

Java Class contains the headers-part in spec above

[github-actions]

Welcome to AsyncAPI. Thanks a lot for reporting your first issue. Please check out our contributors guide and the instructions about a basic recommended setup useful for opening a pull request.
Keep in mind there are also other channels you can use to interact with AsyncAPI community. For more details check out this issue.

[derberg]

moving to java template repo. Generator do not influence the generation result, it only provides a set of tools and API to enable java template to define what should be generated

[Tenischev]

Hello @taotao100
You are right, the problem is with header section, current template doesn't support them. I'm sorry, that i didn't mentioned it in readme.
The problem that headers is a bit protocol-broker specific and so template still doesn't have a proper implementation for them.
If you could share your case, e.g. which protocol, broker and headers you are interested in, I would be glad to discuss details and update template.

[taotao100]

Hi @Tenischev,

thanks for the response, we are working on use AsyncApi to specify the messages (payload & headers) in Kafka.

[github-actions]

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