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/*
* 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.trace
import org.opendc.trace.spi.TraceFormat
import java.io.File
import java.net.URL
import java.nio.file.Path
/**
* A trace is a collection of related tables that characterize a workload.
*/
public interface Trace {
/**
* The list of table names in the workload trace.
*/
public val tables: List<String>
/**
* Determine if the trace contains a table with the specified [name].
*/
public fun containsTable(name: String): Boolean
/**
* Obtain a [Table] with the specified [name].
*/
public fun getTable(name: String): Table?
public companion object {
/**
* Open a [Trace] at the specified [url] in the given [format].
*
* @throws IllegalArgumentException if [format] is not supported.
*/
public fun open(url: URL, format: String): Trace {
val provider = requireNotNull(TraceFormat.byName(format)) { "Unknown format $format" }
return provider.open(url)
}
/**
* Open a [Trace] at the specified [path] in the given [format].
*
* @throws IllegalArgumentException if [format] is not supported.
*/
public fun open(path: File, format: String): Trace {
return open(path.toURI().toURL(), format)
}
/**
* Open a [Trace] at the specified [path] in the given [format].
*
* @throws IllegalArgumentException if [format] is not supported.
*/
public fun open(path: Path, format: String): Trace {
return open(path.toUri().toURL(), format)
}
}
}
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