Scala AvroFlumeEvent类代码示例

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本文整理汇总了Scala中org.apache.flume.source.avro.AvroFlumeEvent类的典型用法代码示例。如果您正苦于以下问题：Scala AvroFlumeEvent类的具体用法？Scala AvroFlumeEvent怎么用？Scala AvroFlumeEvent使用的例子？那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。

在下文中一共展示了AvroFlumeEvent类的2个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于我们的系统推荐出更棒的Scala代码示例。

示例1: AvroFlumeEventEncoder

//设置package包名称以及导入依赖的类
package contrib.kafka.serializer

import kafka.serializer.Encoder
import kafka.utils.VerifiableProperties

import org.apache.avro.io.BinaryEncoder
import org.apache.avro.io.EncoderFactory
import org.apache.avro.specific.SpecificDatumWriter

import org.apache.flume.source.avro.AvroFlumeEvent

import java.io.ByteArrayOutputStream
import java.io.InputStream

class AvroFlumeEventEncoder(props: VerifiableProperties = null)
  extends Encoder[AvroFlumeEvent] {

  private val writer: SpecificDatumWriter[AvroFlumeEvent] =
    new SpecificDatumWriter[AvroFlumeEvent](classOf[AvroFlumeEvent])
  private var encoder: BinaryEncoder = null.asInstanceOf[BinaryEncoder]
  private var tempOutStream = new ByteArrayOutputStream()

  override def toBytes(event: AvroFlumeEvent): Array[Byte] = {
    tempOutStream.reset()
    encoder = EncoderFactory.get.directBinaryEncoder(tempOutStream, encoder)
    writer.write(event, encoder)
    tempOutStream.toByteArray
  }
}

开发者ID:saikocat，项目名称:spark-sql-kafka-avroflumeevent，代码行数:30，代码来源:AvroFlumeEventEncoder.scala

示例2: AvroFlumeEventDecoder

//设置package包名称以及导入依赖的类
package contrib.kafka.serializer

import kafka.serializer.Decoder
import kafka.utils.VerifiableProperties

import org.apache.avro.io.BinaryDecoder
import org.apache.avro.io.DecoderFactory
import org.apache.avro.specific.SpecificDatumReader

import org.apache.flume.Event
import org.apache.flume.event.EventBuilder
import org.apache.flume.source.avro.AvroFlumeEvent

import java.io.ByteArrayInputStream

class AvroFlumeEventDecoder(props: VerifiableProperties = null)
  extends Decoder[Event] {

  private val reader: SpecificDatumReader[AvroFlumeEvent] =
    new SpecificDatumReader[AvroFlumeEvent](classOf[AvroFlumeEvent])
  private var decoder: BinaryDecoder = null.asInstanceOf[BinaryDecoder]

  override def fromBytes(bytes: Array[Byte]): Event = {
    val inputStream = new ByteArrayInputStream(bytes)
    decoder = DecoderFactory.get.directBinaryDecoder(inputStream, decoder)
    val avroEvent: AvroFlumeEvent = reader.read(null, decoder)
    EventBuilder.withBody(
      avroEvent.getBody.array,
      toStringJavaMap(avroEvent.getHeaders))
  }

  def toStringJavaMap(
    charSeqMap: JMap[CharSequence, CharSequence]): JMap[String, String] = {

    import scala.collection.JavaConversions._
    for ((k: CharSequence, v: CharSequence) <- charSeqMap)
      yield (k.toString, v.toString)
  }
}

开发者ID:saikocat，项目名称:spark-sql-kafka-avroflumeevent，代码行数:40，代码来源:AvroFlumeEventDecoder.scala

注：本文中的org.apache.flume.source.avro.AvroFlumeEvent类示例整理自Github/MSDocs等源码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。