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The RabbitMQ Stream Java client library allows Java applications to interface with RabbitMQ Stream.

There is a newer version: 0.20.0

// Copyright (c) 2023 VMware, Inc. or its affiliates.  All rights reserved.
//
// This software, the RabbitMQ Stream Java client library, is dual-licensed under the
// Mozilla Public License 2.0 ("MPL"), and the Apache License version 2 ("ASL").
// For the MPL, please see LICENSE-MPL-RabbitMQ. For the ASL,
// please see LICENSE-APACHE2.
//
// This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND,
// either express or implied. See the LICENSE file for specific language governing
// rights and limitations of this software.
//
// If you have any questions regarding licensing, please contact us at
// [email protected].
package com.rabbitmq.stream.observation.micrometer;

import com.rabbitmq.stream.Message;
import io.micrometer.observation.transport.SenderContext;

/**
 * {@link io.micrometer.observation.Observation.Context} for RabbitMQ Stream publishing.
 *
 * @since 0.12.0
 */
public class PublishContext extends SenderContext {

  private final String stream;
  private final int payloadSizeBytes;

  PublishContext(String stream, Message message) {
    super((carrier, key, value) -> carrier.annotate(key, value));
    this.stream = stream;
    int payloadSize;
    try {
      byte[] body = message.getBodyAsBinary();
      payloadSize = body == null ? 0 : body.length;
    } catch (Exception e) {
      payloadSize = 0;
    }
    this.payloadSizeBytes = payloadSize;
    setCarrier(message);
  }

  public String stream() {
    return this.stream;
  }

  public int getPayloadSizeBytes() {
    return this.payloadSizeBytes;
  }
}