org.apache.pulsar.client.impl.SendCallback Maven / Gradle / Ivy
/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package org.apache.pulsar.client.impl;
import java.util.concurrent.CompletableFuture;
import org.apache.pulsar.client.api.MessageId;
/**
*
*/
public interface SendCallback {
/**
* invoked when send operation completes.
*
* @param e
*/
void sendComplete(Exception e);
/**
* used to specify a callback to be invoked on completion of a send operation for individual messages sent in a
* batch. Callbacks for messages in a batch get chained
*
* @param msg message sent
* @param scb callback associated with the message
*/
void addCallback(MessageImpl msg, SendCallback scb);
/**
*
* @return next callback in chain
*/
SendCallback getNextSendCallback();
/**
* Return next message in chain.
*
* @return next message in chain
*/
MessageImpl getNextMessage();
/**
*
* @return future associated with callback
*/
CompletableFuture getFuture();
}