/** * Copyright 2020 LinkedIn Corp. Licensed 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. */ package com.linkedin.kmf.consumer; import java.util.Map; import org.apache.kafka.clients.consumer.OffsetAndMetadata; import org.apache.kafka.clients.consumer.OffsetCommitCallback; import org.apache.kafka.common.TopicPartition; /** * A base consumer used to abstract different consumer classes. * * Implementations of this class must have constructor with the following signature: * Constructor({@link java.util.Properties} properties). */ public interface KMBaseConsumer { BaseConsumerRecord receive() throws Exception; void commitAsync(); void commitAsync(final Map<TopicPartition, OffsetAndMetadata> offsets, OffsetCommitCallback callback); void commitAsync(OffsetCommitCallback callback); OffsetAndMetadata committed(TopicPartition tp); void close(); long lastCommitted(); void updateLastCommit(); }