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/*
* MIT License
*
* Copyright (c) 2017 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 nl.atlarge.opendc.topology
import nl.atlarge.opendc.integration.jpa.schema.*
/**
* A [TopologyFactory] that converts a [Section] of an experiment as defined by the API, into a proper [Topology].
*
* @property section The section to convert into a topology.
* @property builder A builder for a topology to use.
* @author Fabian Mastenbroek (f.s.mastenbroek@student.tudelft.nl)
*/
class JpaTopologyFactory(val section: Section, val builder: TopologyBuilder = AdjacencyList.builder()) : TopologyFactory {
/**
* Create a [MutableTopology] instance.
*
* @return A mutable topology.
*/
override fun create(): MutableTopology = builder.construct {
val datacenter = section.datacenter
add(datacenter)
datacenter.rooms.forEach { room ->
add(room)
connect(datacenter, room, tag = "room")
room.objects.forEach { roomObject(room, it) }
}
}
/**
* Handle the objects in a room.
*
* @param obj The obj to handle.
*/
private fun MutableTopology.roomObject(parent: Room, obj: RoomObject) = when(obj) {
is Rack -> rack(parent, obj)
else -> Unit
}
/**
* Handle a rack in a room.
*
* @param parent The parent of the rack.
* @param rack The rack to handle.
*/
private fun MutableTopology.rack(parent: Room, rack: Rack) {
add(rack)
connect(parent, rack, tag = "rack")
rack.machines.forEach { machine ->
add(machine)
connect(rack, machine, tag = "machine")
machine.cpus.forEach { cpu ->
add(cpu)
connect(machine, cpu, tag = "cpu")
}
machine.gpus.forEach { gpu ->
add(gpu)
connect(machine, gpu, tag = "gpu")
}
}
}
}
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