| /** |
| * 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.api |
| |
| import java.nio._ |
| import kafka.network._ |
| |
| object MultiFetchRequest { |
| def readFrom(buffer: ByteBuffer): MultiFetchRequest = { |
| val count = buffer.getShort |
| val fetches = new Array[FetchRequest](count) |
| for(i <- 0 until fetches.length) |
| fetches(i) = FetchRequest.readFrom(buffer) |
| new MultiFetchRequest(fetches) |
| } |
| } |
| |
| class MultiFetchRequest(val fetches: Array[FetchRequest]) extends Request(RequestKeys.MultiFetch) { |
| def writeTo(buffer: ByteBuffer) { |
| if(fetches.length > Short.MaxValue) |
| throw new IllegalArgumentException("Number of requests in MultiFetchRequest exceeds " + Short.MaxValue + ".") |
| buffer.putShort(fetches.length.toShort) |
| for(fetch <- fetches) |
| fetch.writeTo(buffer) |
| } |
| |
| def sizeInBytes: Int = { |
| var size = 2 |
| for(fetch <- fetches) |
| size += fetch.sizeInBytes |
| size |
| } |
| |
| |
| override def toString(): String = { |
| val buffer = new StringBuffer |
| for(fetch <- fetches) { |
| buffer.append(fetch.toString) |
| buffer.append(",") |
| } |
| buffer.toString |
| } |
| } |