it.unibo.alchemist.boundary.exporters.MongoDBExporter.kt Maven / Gradle / Ivy
Go to download
Show more of this group Show more artifacts with this name
Show all versions of alchemist-loading Show documentation
Show all versions of alchemist-loading Show documentation
Alchemist Machinery to load from files
The newest version!
/*
* Copyright (C) 2010-2023, Danilo Pianini and contributors
* listed, for each module, in the respective subproject's build.gradle.kts file.
*
* This file is part of Alchemist, and is distributed under the terms of the
* GNU General Public License, with a linking exception,
* as described in the file LICENSE in the Alchemist distribution's top directory.
*/
package it.unibo.alchemist.boundary.exporters
import it.unibo.alchemist.model.Actionable
import it.unibo.alchemist.model.Environment
import it.unibo.alchemist.model.Position
import it.unibo.alchemist.model.Time
import org.bson.Document
/**
* Exports data to a MongoDB instance.
*
* @param uri the connection URI of the database instance.
* @param dbName the name the database to export data to.
* @param interval the sampling time, defaults to [AbstractExporter.DEFAULT_INTERVAL].
* @param appendTime if true it will always generate a new Mongo document, false to overwrite.
*/
class MongoDBExporter> @JvmOverloads constructor(
val uri: String,
val dbName: String = DEFAULT_DATABASE,
val interval: Double = DEFAULT_INTERVAL,
private val appendTime: Boolean = false,
) : AbstractExporter(interval) {
/**
* The name of the collection related to the current simulation in execution.
*/
lateinit var collectionName: String
private set
private val mongoService: MongoService = MongoService()
override fun setup(environment: Environment) {
collectionName = "$variablesDescriptor${"".takeUnless { appendTime } ?: System.currentTimeMillis()}"
mongoService.startService(uri)
mongoService.connectToDB(dbName)
mongoService.createCollection(collectionName)
}
override fun exportData(environment: Environment, reaction: Actionable?, time: Time, step: Long) {
mongoService.pushToDatabase(convertToDocument(environment, reaction, time, step))
}
override fun close(environment: Environment, time: Time, step: Long) {
mongoService.stopService()
}
private fun convertToDocument(
environment: Environment,
reaction: Actionable?,
time: Time,
step: Long,
): Document {
val document = Document()
dataExtractors.forEach { extractor ->
extractor.extractData(environment, reaction, time, step).forEach { (dataLabel, dataValue) ->
document.append(dataLabel, dataValue)
}
}
return document
}
private companion object {
/**
* The default database if no name is specified.
*/
private const val DEFAULT_DATABASE = "test"
}
}
© 2015 - 2024 Weber Informatics LLC | Privacy Policy