diff options
Diffstat (limited to 'opendc-harness/src/main/kotlin/org/opendc/harness/dsl/Experiment.kt')
| -rw-r--r-- | opendc-harness/src/main/kotlin/org/opendc/harness/dsl/Experiment.kt | 99 |
1 files changed, 99 insertions, 0 deletions
diff --git a/opendc-harness/src/main/kotlin/org/opendc/harness/dsl/Experiment.kt b/opendc-harness/src/main/kotlin/org/opendc/harness/dsl/Experiment.kt new file mode 100644 index 00000000..41d4207a --- /dev/null +++ b/opendc-harness/src/main/kotlin/org/opendc/harness/dsl/Experiment.kt @@ -0,0 +1,99 @@ +/* + * Copyright (c) 2021 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.harness.dsl + +import org.junit.platform.commons.annotation.Testable +import org.opendc.harness.api.ExperimentDefinition +import org.opendc.harness.api.Scenario +import org.opendc.harness.api.Trial +import org.opendc.harness.internal.ParameterDelegate + +/** + * An [Experiment] defines a blueprint for a repeatable experiment consisting of multiple scenarios based on pre-defined + * experiment parameters. + * + * @param name The name of the experiment or `null` to select the class name. + */ +@Testable +public abstract class Experiment(name: String? = null) : Cloneable { + /** + * The name of the experiment. + */ + public val name: String = name ?: javaClass.simpleName + + /** + * An identifier that uniquely identifies a single point in the design space of this [Experiment]. + */ + public val id: Int + get() { + val scenario = scenario ?: throw IllegalStateException("Cannot use id before activation") + return scenario.id + } + + /** + * Convert this experiment to an [ExperimentDefinition]. + */ + public fun toDefinition(): ExperimentDefinition = + ExperimentDefinition(name, HashSet(delegates.map { it.parameter }), this::run, mapOf("class.name" to javaClass.name)) + + /** + * Perform a single execution of the experiment based on the experiment parameters. + * + * @param repeat A number representing the repeat index of an identical scenario. + */ + protected abstract fun doRun(repeat: Int) + + /** + * A map to track the parameter delegates registered with this experiment. + */ + private val delegates: MutableSet<ParameterDelegate<*>> = mutableSetOf() + + /** + * The current active scenario. + */ + internal var scenario: Scenario? = null + + /** + * Perform a single execution of the experiment based on the experiment parameters. + * + * This operation will cause the [ParameterProvider]s of this group to be instantiated to some value in its design + * space. + * + * @param trial The experiment trial to run. + */ + private fun run(trial: Trial) { + val scenario = trial.scenario + + // XXX We clone the current class to prevent concurrency issues. + val res = clone() as Experiment + res.scenario = scenario + res.doRun(trial.repeat) + } + + /** + * Register a delegate for this experiment. + */ + internal fun register(delegate: ParameterDelegate<*>) { + delegates += delegate + } +} |
