/** * 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 kafka.producer.async import kafka.utils.VerifiableProperties trait AsyncProducerConfig { val props: VerifiableProperties /* maximum time, in milliseconds, for buffering data on the producer queue */ val queueBufferingMaxMs = props.getInt("queue.buffering.max.ms", 5000) /** the maximum size of the blocking queue for buffering on the producer */ val queueBufferingMaxMessages = props.getInt("queue.buffering.max.messages", 10000) /** * Timeout for event enqueue: * 0: events will be enqueued immediately or dropped if the queue is full * -ve: enqueue will block indefinitely if the queue is full * +ve: enqueue will block up to this many milliseconds if the queue is full */ val queueEnqueueTimeoutMs = props.getInt("queue.enqueue.timeout.ms", -1) /** the number of messages batched at the producer */ val batchNumMessages = props.getInt("batch.num.messages", 200) /** the serializer class for values */ val serializerClass = props.getString("serializer.class", "kafka.serializer.DefaultEncoder") /** the serializer class for keys (defaults to the same as for values) */ val keySerializerClass = props.getString("key.serializer.class", serializerClass) }