org.apache.pulsar.client.api.RedeliveryBackoff Maven / Gradle / Ivy
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* 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.api;
import java.io.Serializable;
import org.apache.pulsar.common.classification.InterfaceAudience;
import org.apache.pulsar.common.classification.InterfaceStability;
/**
* Interface for custom message is negativeAcked policy, users can specify a {@link RedeliveryBackoff} for
* a consumer.
*
* Notice: the consumer crashes will trigger the redelivery of the unacked message, this case will not respect the
* {@link RedeliveryBackoff}, which means the message might get redelivered earlier than the delay time
* from the backoff.
*/
@InterfaceAudience.Public
@InterfaceStability.Stable
public interface RedeliveryBackoff extends Serializable {
/**
* @param redeliveryCount indicates the number of times the message was redelivered
*/
long next(int redeliveryCount);
}