the-algorithm/cr-mixer/server/src/main/scala/com/twitter/cr_mixer/module/DiffusionStoreModule.scala
twitter-team ef4c5eb65e Twitter Recommendation Algorithm
Please note we have force-pushed a new initial commit in order to remove some publicly-available Twitter user information. Note that this process may be required in the future.
2023-03-31 17:36:31 -05:00

55 lines
1.9 KiB
Scala

package com.twitter.cr_mixer.module
import com.google.inject.Provides
import com.twitter.bijection.Injection
import com.twitter.bijection.scrooge.BinaryScalaCodec
import com.twitter.cr_mixer.model.ModuleNames
import com.twitter.finagle.mtls.authentication.ServiceIdentifier
import com.twitter.inject.TwitterModule
import com.twitter.simclusters_v2.thriftscala.TweetsWithScore
import com.twitter.storage.client.manhattan.kv.ManhattanKVClientMtlsParams
import com.twitter.storehaus.ReadableStore
import com.twitter.storehaus_internal.manhattan.Apollo
import com.twitter.storehaus_internal.manhattan.ManhattanRO
import com.twitter.storehaus_internal.manhattan.ManhattanROConfig
import com.twitter.storehaus_internal.util.ApplicationID
import com.twitter.storehaus_internal.util.DatasetName
import com.twitter.storehaus_internal.util.HDFSPath
import javax.inject.Named
import javax.inject.Singleton
object DiffusionStoreModule extends TwitterModule {
type UserId = Long
implicit val longCodec = implicitly[Injection[Long, Array[Byte]]]
implicit val tweetRecsInjection: Injection[TweetsWithScore, Array[Byte]] =
BinaryScalaCodec(TweetsWithScore)
@Provides
@Singleton
@Named(ModuleNames.RetweetBasedDiffusionRecsMhStore)
def retweetBasedDiffusionRecsMhStore(
serviceIdentifier: ServiceIdentifier
): ReadableStore[Long, TweetsWithScore] = {
val manhattanROConfig = ManhattanROConfig(
HDFSPath(""), // not needed
ApplicationID("cr_mixer_apollo"),
DatasetName("diffusion_retweet_tweet_recs"),
Apollo
)
buildTweetRecsStore(serviceIdentifier, manhattanROConfig)
}
private def buildTweetRecsStore(
serviceIdentifier: ServiceIdentifier,
manhattanROConfig: ManhattanROConfig
): ReadableStore[Long, TweetsWithScore] = {
ManhattanRO
.getReadableStoreWithMtls[Long, TweetsWithScore](
manhattanROConfig,
ManhattanKVClientMtlsParams(serviceIdentifier)
)(longCodec, tweetRecsInjection)
}
}