com.spotify.scio.spanner.syntax.ScioContextSyntax.scala Maven / Gradle / Ivy
/*
* 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.spanner.syntax
import com.google.cloud.spanner.Struct
import com.spotify.scio.ScioContext
import com.spotify.scio.values.SCollection
import com.spotify.scio.spanner.SpannerRead
import org.apache.beam.sdk.io.gcp.spanner.SpannerConfig
final class SpannerScioContextOps(private val self: ScioContext) extends AnyVal {
import SpannerRead.ReadParam._
def spannerTable(
spannerConfig: SpannerConfig,
table: String,
columns: Seq[String],
withBatching: Boolean = DefaultWithBatching,
withTransaction: Boolean = DefaultWithTransaction
): SCollection[Struct] = {
val params = SpannerRead.ReadParam(
SpannerRead.FromTable(table, columns),
withTransaction,
withBatching
)
self.read(SpannerRead(spannerConfig))(params)
}
def spannerQuery(
spannerConfig: SpannerConfig,
query: String,
withBatching: Boolean = DefaultWithBatching,
withTransaction: Boolean = DefaultWithTransaction
): SCollection[Struct] = {
val params = SpannerRead.ReadParam(
SpannerRead.FromQuery(query),
withTransaction,
withBatching
)
self.read(SpannerRead(spannerConfig))(params)
}
}
trait ScioContextSyntax {
implicit def spannerScioContextOps(sc: ScioContext): SpannerScioContextOps =
new SpannerScioContextOps(sc)
}