| package kafka.api |
| |
| /** |
| * 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. |
| */ |
| |
| import java.nio._ |
| import kafka.network.RequestChannel |
| import kafka.utils.Logging |
| |
| object Request { |
| val OrdinaryConsumerId: Int = -1 |
| val DebuggingConsumerId: Int = -2 |
| |
| // Broker ids are non-negative int. |
| def isValidBrokerId(brokerId: Int): Boolean = (brokerId >= 0) |
| } |
| |
| |
| abstract class RequestOrResponse(val requestId: Option[Short] = None) extends Logging { |
| |
| def sizeInBytes: Int |
| |
| def writeTo(buffer: ByteBuffer): Unit |
| |
| def handleError(e: Throwable, requestChannel: RequestChannel, request: RequestChannel.Request): Unit = {} |
| |
| /* The purpose of this API is to return a string description of the Request mainly for the purpose of request logging. |
| * This API has no meaning for a Response object. |
| * @param details If this is false, omit the parts of the request description that are proportional to the number of |
| * topics or partitions. This is mainly to control the amount of request logging. */ |
| def describe(details: Boolean):String |
| } |
| |