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Create ProcessNode and ShippingNode structs

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This commit is contained in:
Alinson S. Xavier
2020-03-18 11:09:54 -05:00
parent ba28c350e0
commit c55c6cc828
2 changed files with 25 additions and 31 deletions
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4
Manifest.toml
View File

@@ -53,9 +53,9 @@ version = "0.2.0"
[[CompilerSupportLibraries_jll]] [[CompilerSupportLibraries_jll]]
deps = ["Libdl", "Pkg"] deps = ["Libdl", "Pkg"]
git-tree-sha1 = "b57c5d019367c90f234a7bc7e24ff0a84971da5d" git-tree-sha1 = "aa832564f930a7fc9290972526908d01a35aefac"
uuid = "e66e0078-7015-5450-92f7-15fbd957f2ae" uuid = "e66e0078-7015-5450-92f7-15fbd957f2ae"
version = "0.2.0+1" version = "0.3.0+0"
[[CoordinateTransformations]] [[CoordinateTransformations]]
deps = ["LinearAlgebra", "Rotations", "StaticArrays"] deps = ["LinearAlgebra", "Rotations", "StaticArrays"]

50
src/model.jl
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@@ -11,39 +11,33 @@ mutable struct ReverseManufacturingModel
process_nodes process_nodes
end end
mutable struct Node abstract type Node
end
mutable struct ProcessNode <: Node
product_name::String product_name::String
plant_name::String plant_name::String
location_name::String location_name::String
balance::Float64
incoming_arcs::Array incoming_arcs::Array
outgoing_arcs::Array outgoing_arcs::Array
cost::Float64 fixed_cost::Float64
end end
function Node(product_name::String, mutable struct ShippingNode <: Node
plant_name::String, product_name::String
location_name::String; plant_name::String
balance::Float64 = 0.0, location_name::String
incoming_arcs::Array = [], incoming_arcs::Array
outgoing_arcs::Array = [], outgoing_arcs::Array
cost::Float64 = 0.0, balance::Float64
) :: Node
return Node(product_name,
plant_name,
location_name,
balance,
incoming_arcs,
outgoing_arcs,
cost)
end end
function Base.show(io::IO, node::Node) function Base.show(io::IO, node::ProcessNode)
print(io, "Node($(node.product_name), $(node.plant_name), $(node.location_name)") print(io, "ProcessNode($(node.product_name), $(node.plant_name), $(node.location_name), $(node.fixed_cost))")
if node.balance != 0.0
print(io, ", $(node.balance)")
end end
print(io, ")")
function Base.show(io::IO, node::ShippingNode)
print(io, "ShippingNode($(node.product_name), $(node.plant_name), $(node.location_name), $(node.balance))")
end end
mutable struct Arc mutable struct Arc
@@ -92,7 +86,7 @@ function build_model(instance::ReverseManufacturingInstance,
end end
end end
for n in tqdm(values(process_nodes)) for n in tqdm(values(process_nodes))
add_to_expression!(obj, n.cost, vars.node[n]) add_to_expression!(obj, n.fixed_cost, vars.node[n])
end end
@objective(mip, Min, obj) @objective(mip, Min, obj)
@@ -138,7 +132,7 @@ function create_nodes_and_arcs(instance)
if haskey(product, "initial amounts") if haskey(product, "initial amounts")
for location_name in keys(product["initial amounts"]) for location_name in keys(product["initial amounts"])
amount = product["initial amounts"][location_name]["amount"] amount = product["initial amounts"][location_name]["amount"]
n = Node(product_name, "Origin", location_name, balance=amount) n = ShippingNode(product_name, "Origin", location_name, [], [], amount)
shipping_nodes[n.product_name, n.plant_name, n.location_name] = n shipping_nodes[n.product_name, n.plant_name, n.location_name] = n
end end
end end
@@ -147,7 +141,7 @@ function create_nodes_and_arcs(instance)
for plant in product["input plants"] for plant in product["input plants"]
for (location_name, location) in plant["locations"] for (location_name, location) in plant["locations"]
cost = location["opening cost"] + location["fixed operating cost"] cost = location["opening cost"] + location["fixed operating cost"]
n = Node(product_name, plant["name"], location_name, cost=cost) n = ProcessNode(product_name, plant["name"], location_name, [], [], cost)
process_nodes[n.product_name, n.plant_name, n.location_name] = n process_nodes[n.product_name, n.plant_name, n.location_name] = n
end end
end end
@@ -155,7 +149,7 @@ function create_nodes_and_arcs(instance)
# Shipping nodes for each plant # Shipping nodes for each plant
for plant in product["output plants"] for plant in product["output plants"]
for location_name in keys(plant["locations"]) for location_name in keys(plant["locations"])
n = Node(product_name, plant["name"], location_name) n = ShippingNode(product_name, plant["name"], location_name, [], [], 0)
shipping_nodes[n.product_name, n.plant_name, n.location_name] = n shipping_nodes[n.product_name, n.plant_name, n.location_name] = n
end end
end end
@@ -288,7 +282,7 @@ function get_solution(instance::ReverseManufacturingInstance,
"longitude" => location["longitude"], "longitude" => location["longitude"],
) )
plant_loc_dict["fixed cost"] = round(vals[process_node] * process_node.cost, digits=5) plant_loc_dict["fixed cost"] = round(vals[process_node] * process_node.fixed_cost, digits=5)
output["costs"]["fixed"] += plant_loc_dict["fixed cost"] output["costs"]["fixed"] += plant_loc_dict["fixed cost"]
# Inputs # Inputs