com.spotify.scio.bigquery.syntax.TableRowSyntax.scala Maven / Gradle / Ivy

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/*
 * Copyright 2019 Spotify AB.
 *
 * 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.spotify.scio.bigquery.syntax

// import com.google.api.services.bigquery.model.{TableRow => GTableRow}
import com.spotify.scio.bigquery.{Date, DateTime, TableRow, Time, Timestamp}
import org.joda.time.{Instant, LocalDate, LocalDateTime, LocalTime}

import scala.jdk.CollectionConverters._

import scala.util.Try

/** Enhanced version of [[TableRow]] with typed getters. */
final class TableRowOps(private val r: TableRow) extends AnyVal {
  def getBoolean(name: AnyRef): Boolean =
    this.getValue(name, _.toString.toBoolean, false)

  def getBooleanOpt(name: AnyRef): Option[Boolean] =
    this.getValueOpt(name, _.toString.toBoolean)

  def getLong(name: AnyRef): Long = this.getValue(name, _.toString.toLong, 0L)

  def getLongOpt(name: AnyRef): Option[Long] =
    this.getValueOpt(name, _.toString.toLong)

  def getDouble(name: AnyRef): Double =
    this.getValue(name, _.toString.toDouble, 0.0)

  def getDoubleOpt(name: AnyRef): Option[Double] =
    this.getValueOpt(name, _.toString.toDouble)

  def getString(name: AnyRef): String = this.getValue(name, _.toString, null)

  def getStringOpt(name: AnyRef): Option[String] =
    this.getValueOpt(name, _.toString)

  def getTimestamp(name: AnyRef): Instant =
    this.getValue(name, v => Timestamp.parse(v.toString), null)

  def getTimestampOpt(name: AnyRef): Option[Instant] =
    this.getValueOpt(name, v => Timestamp.parse(v.toString))

  def getDate(name: AnyRef): LocalDate =
    this.getValue(name, v => Date.parse(v.toString), null)

  def getDateOpt(name: AnyRef): Option[LocalDate] =
    this.getValueOpt(name, v => Date.parse(v.toString))

  def getTime(name: AnyRef): LocalTime =
    this.getValue(name, v => Time.parse(v.toString), null)

  def getTimeOpt(name: AnyRef): Option[LocalTime] =
    this.getValueOpt(name, v => Time.parse(v.toString))

  def getDateTime(name: AnyRef): LocalDateTime =
    this.getValue(name, v => DateTime.parse(v.toString), null)

  def getDateTimeOpt(name: AnyRef): Option[LocalDateTime] =
    this.getValueOpt(name, v => DateTime.parse(v.toString))

  def getRepeated(name: AnyRef): Seq[AnyRef] =
    this.getValue(name, x => x.asInstanceOf[java.util.List[AnyRef]].iterator().asScala.toSeq, null)

  def getRecord(name: AnyRef): Map[String, AnyRef] =
    this.getValue(name, x => x.asInstanceOf[java.util.Map[String, AnyRef]].asScala.toMap, null)

  private def getValue[T](name: AnyRef, fn: AnyRef => T, default: T): T = {
    val o = r.get(name)
    if (o == null) {
      default
    } else {
      fn(o)
    }
  }

  private def getValueOpt[T](name: AnyRef, fn: AnyRef => T): Option[T] = {
    val o = r.get(name)
    if (o == null) {
      None
    } else {
      Try(fn(o)).toOption
    }
  }
}

trait TableRowSyntax {
  implicit def bigQueryTableRowOps(tr: TableRow): TableRowOps = new TableRowOps(tr)
}