52 lines
2.0 KiB
Kotlin
52 lines
2.0 KiB
Kotlin
@file:JvmMultifileClass
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@file:JvmName("DomainSerializers")
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package org.moire.ultrasonic.cache.serializers
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import com.twitter.serial.serializer.ObjectSerializer
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import com.twitter.serial.serializer.SerializationContext
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import com.twitter.serial.stream.SerializerInput
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import com.twitter.serial.stream.SerializerOutput
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import org.moire.ultrasonic.cache.DomainEntitySerializer
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import org.moire.ultrasonic.domain.Artist
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import org.moire.ultrasonic.domain.Indexes
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private const val SERIALIZATION_VERSION = 1
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private val indexesSerializer get() = object : ObjectSerializer<Indexes>(SERIALIZATION_VERSION) {
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override fun serializeObject(
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context: SerializationContext,
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output: SerializerOutput<out SerializerOutput<*>>,
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item: Indexes
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) {
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val artistListSerializer = getArtistListSerializer()
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output.writeLong(item.lastModified)
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.writeString(item.ignoredArticles)
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.writeObject<MutableList<Artist>>(context, item.shortcuts, artistListSerializer)
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.writeObject<MutableList<Artist>>(context, item.artists, artistListSerializer)
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}
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@Suppress("ReturnCount")
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override fun deserializeObject(
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context: SerializationContext,
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input: SerializerInput,
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versionNumber: Int
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): Indexes? {
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if (versionNumber != SERIALIZATION_VERSION) return null
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val artistListDeserializer = getArtistListSerializer()
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val lastModified = input.readLong()
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val ignoredArticles = input.readString() ?: return null
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val shortcutsList = input.readObject(context, artistListDeserializer) ?: return null
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val artistsList = input.readObject(context, artistListDeserializer) ?: return null
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return Indexes(
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lastModified, ignoredArticles, shortcutsList.toMutableList(),
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artistsList.toMutableList()
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)
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}
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}
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/**
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* Get serializer/deserializer for [Indexes] entity.
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*/
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fun getIndexesSerializer(): DomainEntitySerializer<Indexes> = indexesSerializer
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