139 lines
3.5 KiB
Plaintext
139 lines
3.5 KiB
Plaintext
// version 1.2.10
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class FCNode(val name: String, val weight: Int = 1, coverage: Double = 0.0) {
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var coverage = coverage
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set(value) {
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if (field != value) {
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field = value
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// update any parent's coverage
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if (parent != null) parent!!.updateCoverage()
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}
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}
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val children = mutableListOf<FCNode>()
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var parent: FCNode? = null
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fun addChildren(nodes: List<FCNode>) {
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children.addAll(nodes)
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nodes.forEach { it.parent = this }
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updateCoverage()
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}
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private fun updateCoverage() {
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val v1 = children.sumByDouble { it.weight * it.coverage }
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val v2 = children.sumBy { it.weight }
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coverage = v1 / v2
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}
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fun show(level: Int = 0) {
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val indent = level * 4
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val nl = name.length + indent
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print(name.padStart(nl))
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print("|".padStart(32 - nl))
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print(" %3d |".format(weight))
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println(" %8.6f |".format(coverage))
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if (children.size == 0) return
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for (child in children) child.show(level + 1)
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}
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}
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val houses = listOf(
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FCNode("house1", 40),
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FCNode("house2", 60)
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)
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val house1 = listOf(
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FCNode("bedrooms", 1, 0.25),
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FCNode("bathrooms"),
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FCNode("attic", 1, 0.75),
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FCNode("kitchen", 1, 0.1),
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FCNode("living_rooms"),
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FCNode("basement"),
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FCNode("garage"),
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FCNode("garden", 1, 0.8)
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)
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val house2 = listOf(
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FCNode("upstairs"),
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FCNode("groundfloor"),
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FCNode("basement")
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)
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val h1Bathrooms = listOf(
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FCNode("bathroom1", 1, 0.5),
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FCNode("bathroom2"),
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FCNode("outside_lavatory", 1, 1.0)
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)
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val h1LivingRooms = listOf(
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FCNode("lounge"),
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FCNode("dining_room"),
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FCNode("conservatory"),
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FCNode("playroom", 1, 1.0)
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)
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val h2Upstairs = listOf(
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FCNode("bedrooms"),
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FCNode("bathroom"),
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FCNode("toilet"),
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FCNode("attics", 1, 0.6)
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)
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val h2Groundfloor = listOf(
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FCNode("kitchen"),
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FCNode("living_rooms"),
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FCNode("wet_room_&_toilet"),
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FCNode("garage"),
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FCNode("garden", 1, 0.9),
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FCNode("hot_tub_suite", 1, 1.0)
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)
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val h2Basement = listOf(
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FCNode("cellars", 1, 1.0),
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FCNode("wine_cellar", 1, 1.0),
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FCNode("cinema", 1, 0.75)
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)
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val h2UpstairsBedrooms = listOf(
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FCNode("suite_1"),
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FCNode("suite_2"),
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FCNode("bedroom_3"),
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FCNode("bedroom_4")
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)
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val h2GroundfloorLivingRooms = listOf(
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FCNode("lounge"),
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FCNode("dining_room"),
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FCNode("conservatory"),
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FCNode("playroom")
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)
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fun main(args: Array<String>) {
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val cleaning = FCNode("cleaning")
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house1[1].addChildren(h1Bathrooms)
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house1[4].addChildren(h1LivingRooms)
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houses[0].addChildren(house1)
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h2Upstairs[0].addChildren(h2UpstairsBedrooms)
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house2[0].addChildren(h2Upstairs)
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h2Groundfloor[1].addChildren(h2GroundfloorLivingRooms)
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house2[1].addChildren(h2Groundfloor)
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house2[2].addChildren(h2Basement)
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houses[1].addChildren(house2)
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cleaning.addChildren(houses)
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val topCoverage = cleaning.coverage
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println("TOP COVERAGE = ${"%8.6f".format(topCoverage)}\n")
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println("NAME HIERARCHY | WEIGHT | COVERAGE |")
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cleaning.show()
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h2Basement[2].coverage = 1.0 // change Cinema node coverage to 1.0
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val diff = cleaning.coverage - topCoverage
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println("\nIf the coverage of the Cinema node were increased from 0.75 to 1.0")
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print("the top level coverage would increase by ")
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println("${"%8.6f".format(diff)} to ${"%8.6f".format(topCoverage + diff)}")
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h2Basement[2].coverage = 0.75 // restore to original value if required
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}
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