Add VehicleType for vehicle routing problems

src/Product.jl

@@ -0,0 +1,16 @@
+"""
+A product in the supply chain.
+"""
+struct Product
+    name::String
+
+    zones::Array{Float64, 1}
+
+    function Product(name, zones=[1.0])
+        return new(name, zones)
+    end
+end
+
+Base.:(==)(x::Product, y::Product) = x.name == y.name 
+Base.hash(x::Product, h::UInt64) = hash(x.name, h)
+Base.show(io::IO, x::Product) = print(io, x.name)

src/SupplyChainModeling.jl

@@ -15,6 +15,7 @@ export Plant
 
 export Transport
 export Lane
+export VehicleType
 
 export add_product!
 export add_demand!
@@ -46,18 +47,8 @@ abstract type Node end
 
 abstract type Transport end
 
-struct Product
-    name::String
-
-    function Product(name)
-        return new(name)
-    end
-end
-
-Base.:(==)(x::Product, y::Product) = x.name == y.name 
-Base.hash(x::Product, h::UInt64) = hash(x.name, h)
-Base.show(io::IO, x::Product) = print(io, x.name)
-
+include("VehicleType.jl")
+include("Product.jl")
 include("Location.jl")
 include("Customer.jl")
 include("Demand.jl")

src/VehicleType.jl

@@ -0,0 +1,12 @@
+struct VehicleType
+    name::String
+    count::Int64
+
+    fixed_cost::Float64
+    maximum_capacity::Array{Float64, 1}
+    maximum_time::Float64
+
+    function VehicleType(name, count; maximum_capacity=[Inf], maximum_time=Inf, fixed_cost=0.0)
+        return new(name, count, fixed_cost, maximum_capacity, maximum_time)
+    end
+end