org.radarbase.appconfig.client.ObjectMapperCache.kt Maven / Gradle / Ivy

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Kotlin Client SDK to the radar-app-config API

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package org.radarbase.appconfig.client

import com.fasterxml.jackson.core.type.TypeReference
import com.fasterxml.jackson.databind.ObjectMapper
import com.fasterxml.jackson.databind.ObjectReader
import com.fasterxml.jackson.databind.ObjectWriter
import java.util.*

class ObjectMapperCache(val mapper: ObjectMapper) {
    private val readerCache = IdentityHashMap()
    private val writerCache = IdentityHashMap()

    fun readerFor(type: Class<*>): ObjectReader =
        readerCache.computeIfAbsent(type) { mapper.readerFor(type) }

    fun readerFor(type: TypeReference<*>): ObjectReader =
        readerCache.computeIfAbsent(type) { mapper.readerFor(type) }

    fun writerFor(type: Class<*>): ObjectWriter =
        writerCache.computeIfAbsent(type) { mapper.writerFor(type) }
}