package kafka.api
import kafka.common.ErrorMapping
import java.nio.ByteBuffer
import kafka.api.ApiUtils._
import collection.mutable.HashMap
import collection.Map
object LeaderAndIsrResponse {
def readFrom(buffer: ByteBuffer): LeaderAndIsrResponse = {
val correlationId = buffer.getInt
val errorCode = buffer.getShort
val numEntries = buffer.getInt
val responseMap = new HashMap[(String, Int), Short]()
for (i<- 0 until numEntries){
val topic = readShortString(buffer)
val partition = buffer.getInt
val partitionErrorCode = buffer.getShort
responseMap.put((topic, partition), partitionErrorCode)
}
new LeaderAndIsrResponse(correlationId, responseMap, errorCode)
}
}
case class LeaderAndIsrResponse(correlationId: Int,
responseMap: Map[(String, Int), Short],
errorCode: Short = ErrorMapping.NoError)
extends RequestOrResponse() {
def sizeInBytes(): Int ={
var size =
4 +
2 +
4
for ((key, value) <- responseMap) {
size +=
2 + key._1.length +
4 +
2
}
size
}
def writeTo(buffer: ByteBuffer) {
buffer.putInt(correlationId)
buffer.putShort(errorCode)
buffer.putInt(responseMap.size)
for ((key:(String, Int), value) <- responseMap) {
writeShortString(buffer, key._1)
buffer.putInt(key._2)
buffer.putShort(value)
}
}
override def describe(details: Boolean):String = { toString }
}