com.twitter.scalding.commons.source.DailySources.scala Maven / Gradle / Ivy

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/*
Copyright 2012 Twitter, Inc.

Licensed 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 com.twitter.scalding.commons.source

import com.google.protobuf.Message
import com.twitter.bijection.Injection
import com.twitter.chill.Externalizer
import com.twitter.scalding._
import com.twitter.scalding.source._

import cascading.tuple.Fields
import java.io.Serializable
import org.apache.thrift.TBase

// Retrieve implicits
import Dsl._

abstract class DailySuffixLzoCodec[T](prefix: String, dateRange: DateRange)(implicit @transient suppliedInjection: Injection[T, Array[Byte]])
  extends DailySuffixSource(prefix, dateRange) with LzoCodec[T] {
  val boxed = Externalizer(suppliedInjection)
  override lazy val injection = boxed.get
}

abstract class DailySuffixLzoProtobuf[T <: Message: Manifest](prefix: String, dateRange: DateRange)
  extends DailySuffixSource(prefix, dateRange) with LzoProtobuf[T] {
  override def column = manifest[T].runtimeClass
}

abstract class DailySuffixMostRecentLzoProtobuf[T <: Message: Manifest](prefix: String, dateRange: DateRange)
  extends DailySuffixMostRecentSource(prefix, dateRange) with LzoProtobuf[T] {
  override def column = manifest[T].erasure
}

abstract class DailySuffixLzoThrift[T <: TBase[_, _]: Manifest](prefix: String, dateRange: DateRange)
  extends DailySuffixSource(prefix, dateRange) with LzoThrift[T] {
  override def column = manifest[T].runtimeClass
}

abstract class DailyPrefixSuffixLzoThrift[T <: TBase[_, _]: Manifest](prefix: String, suffix: String, dateRange: DateRange)
  extends DailyPrefixSuffixSource(prefix, suffix, dateRange) with LzoThrift[T] {
  override def column = manifest[T].runtimeClass
}

abstract class TimePathedLongThriftSequenceFile[V <: TBase[_, _]: Manifest](f: Fields, prefix: String, dateFormat: String, dateRange: DateRange)
  extends TimePathedSource(prefix + dateFormat + "/*", dateRange, DateOps.UTC)
  with WritableSequenceFileScheme
  with Serializable
  with Mappable[(Long, V)]
  with TypedSink[(Long, V)]
  with LongThriftTransformer[V] {
  override val fields = f
  override def sinkFields = f
  override val mt = implicitly[Manifest[V]]
  override def converter[U >: (Long, V)] = TupleConverter.asSuperConverter[(Long, V), U](TupleConverter.of[(Long, V)])
  override def setter[U <: (Long, V)] = TupleSetter.asSubSetter[(Long, V), U](TupleSetter.of[(Long, V)])
}

abstract class MostRecentGoodLongThriftSequenceFile[V <: TBase[_, _]: Manifest](f: Fields, pattern: String, dateRange: DateRange)
  extends MostRecentGoodSource(pattern, dateRange, DateOps.UTC)
  with WritableSequenceFileScheme
  with Serializable
  with Mappable[(Long, V)]
  with TypedSink[(Long, V)]
  with LongThriftTransformer[V] {
  override val fields = f
  override def sinkFields = f
  override val mt = implicitly[Manifest[V]]
  override def converter[U >: (Long, V)] = TupleConverter.asSuperConverter[(Long, V), U](TupleConverter.of[(Long, V)])
  override def setter[U <: (Long, V)] = TupleSetter.asSubSetter[(Long, V), U](TupleSetter.of[(Long, V)])
}

abstract class DailySuffixLongThriftSequenceFile[V <: TBase[_, _]: Manifest](f: Fields, prefix: String, dateRange: DateRange)
  extends TimePathedLongThriftSequenceFile[V](f, prefix, TimePathedSource.YEAR_MONTH_DAY, dateRange)

case class DailySuffixLzoTsv(prefix: String, fs: Fields = Fields.ALL)(override implicit val dateRange: DateRange)
  extends DailySuffixSource(prefix, dateRange) with LzoTsv {
  override val fields = fs
}

case class DailyPrefixSuffixLzoTsv(prefix: String, suffix: String, fs: Fields = Fields.ALL)(implicit override val dateRange: DateRange)
  extends DailyPrefixSuffixSource(prefix, suffix, dateRange) with LzoTsv {
  override val fields = fs
}