| // 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 pulsar |
| |
| type ConsumerInterceptor interface { |
| // BeforeConsume This is called just before the message is send to Consumer's ConsumerMessage channel. |
| BeforeConsume(message ConsumerMessage) |
| |
| // OnAcknowledge This is called consumer sends the acknowledgment to the broker. |
| OnAcknowledge(consumer Consumer, msgID MessageID) |
| |
| // OnNegativeAcksSend This method will be called when a redelivery from a negative acknowledge occurs. |
| OnNegativeAcksSend(consumer Consumer, msgIDs []MessageID) |
| } |
| |
| type ConsumerInterceptors []ConsumerInterceptor |
| |
| func (x ConsumerInterceptors) BeforeConsume(message ConsumerMessage) { |
| for i := range x { |
| x[i].BeforeConsume(message) |
| } |
| } |
| |
| func (x ConsumerInterceptors) OnAcknowledge(consumer Consumer, msgID MessageID) { |
| for i := range x { |
| x[i].OnAcknowledge(consumer, msgID) |
| } |
| } |
| |
| func (x ConsumerInterceptors) OnNegativeAcksSend(consumer Consumer, msgIDs []MessageID) { |
| for i := range x { |
| x[i].OnNegativeAcksSend(consumer, msgIDs) |
| } |
| } |
| |
| var defaultConsumerInterceptors = make(ConsumerInterceptors, 0) |