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/*
* Copyright (c) 2024 AtLarge Research
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
package org.opendc.experiments.base.experiment
import kotlinx.serialization.ExperimentalSerializationApi
import kotlinx.serialization.json.Json
import kotlinx.serialization.json.decodeFromStream
import org.opendc.compute.simulator.telemetry.parquet.ComputeExportConfig
import org.opendc.experiments.base.experiment.specs.ExperimentSpec
import java.io.File
import java.io.InputStream
import java.nio.file.Path
import kotlin.io.path.inputStream
public class ExperimentReader {
private val jsonReader = Json
public fun read(file: File): ExperimentSpec = read(file.inputStream())
public fun read(path: Path): ExperimentSpec = read(path.inputStream())
/**
* Read the specified [input].
*/
@OptIn(ExperimentalSerializationApi::class)
public fun read(input: InputStream): ExperimentSpec {
// Loads the default parquet output fields,
// so that they can be deserialized
ComputeExportConfig.loadDfltColumns()
return jsonReader.decodeFromStream<ExperimentSpec>(input)
}
}
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