org.apache.kafka.streams.processor.internals.RecordCollector 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.kafka.streams.processor.internals;
import org.apache.kafka.clients.producer.Producer;
import org.apache.kafka.common.TopicPartition;
import org.apache.kafka.common.header.Headers;
import org.apache.kafka.common.serialization.Serializer;
import org.apache.kafka.streams.processor.StreamPartitioner;
import java.util.Map;
public interface RecordCollector {
void send(final String topic,
final K key,
final V value,
final Headers headers,
final Integer partition,
final Long timestamp,
final Serializer keySerializer,
final Serializer valueSerializer);
void send(final String topic,
final K key,
final V value,
final Headers headers,
final Long timestamp,
final Serializer keySerializer,
final Serializer valueSerializer,
final StreamPartitioner partitioner);
/**
* Initialize the internal {@link Producer}; note this function should be made idempotent
*
* @throws org.apache.kafka.common.errors.TimeoutException if producer initializing txn id timed out
*/
void initialize();
/**
* Flush the internal {@link Producer}.
*/
void flush();
/**
* Clean close the internal {@link Producer}.
*/
void closeClean();
/**
* Dirty close the internal {@link Producer}.
*/
void closeDirty();
/**
* The last acked offsets from the internal {@link Producer}.
*
* @return an immutable map from TopicPartition to offset
*/
Map offsets();
/**
* A supplier of a {@link RecordCollectorImpl} instance.
*/
// TODO: after we have done KAFKA-9088 we should just add this function
// to InternalProcessorContext interface
interface Supplier {
/**
* Get the record collector.
* @return the record collector
*/
RecordCollector recordCollector();
}
}