[#23] - Feature/methods describer

src/descriptor.jl

@@ -0,0 +1,83 @@
+mutable struct MethodDescriber
+    name::String
+    n_features::Union{Symbol, Int, Nothing}
+    n_samples::Union{Symbol, Int, Nothing}
+    problem_type::Union{Symbol, Nothing}
+
+    MethodDescriber() = new()
+
+end
+
+function MethodDescriber(   method_name::String;
+                            n_features = nothing,
+                            n_samples = nothing,
+                            problem_type = nothing)
+
+    method = MethodDescriber()
+
+    method.name = method_name
+    method.n_features = n_features
+    method.n_samples = n_samples
+    method.problem_type = problem_type
+
+    return method
+end 
+
+function Base.show(io::IO, method::MethodDescriber)
+    println("# $(method.name)")
+    method.n_features !== nothing && println("number of features: " * string(method.n_features))
+    method.n_samples !== nothing && println("amount of samples: " * string(method.n_samples))
+    method.problem_type !== nothing && println("problem type: " * string(method.problem_type))
+end
+
+mutable struct MethodDescriberSet
+    describers::Array{MethodDescriber, 1}
+end
+
+MethodDescriberSet(args...) = MethodDescriberSet([args...])
+
+function methodsFilter(methods::MethodDescriberSet, parameters::Union{Pair, Array{Pair}})
+    if !(parameters isa Array)
+        parameters = [parameters]
+    end
+
+    filtered_methods = Set()
+
+    for parameter in parameters
+        if !(parameter[1] in fieldnames(MethodDescriber))
+            @warn "$(parameter[1]) isn't a property of MethodDescriber"
+            continue
+        end
+        for method in methods.describers 
+            property = getfield(method, parameter[1])
+            if property == parameter[2]
+                push!(filtered_methods, method)
+            end
+        end
+    end
+
+    return MethodDescriberSet(collect(filtered_methods))
+end
+
+methodsFilter(parameters::Union{Pair, Array{Pair}}) = methodsFilter(METHODS, parameters)
+
+function Base.show(io::IO, methods::MethodDescriberSet)
+    for method in methods.describers
+        println(method)
+    end
+end
+
+const METHODS = MethodDescriberSet(
+    MethodDescriber(
+        "Generate_blobs",
+        n_features = :Dynamic,
+        n_samples = :Dynamic,
+        problem_type = :Classification),
+    MethodDescriber(
+        "Generate_s_curve",
+        n_features = 2,
+        n_samples = :Dynamic,
+        problem_type = :Regression),
+)
+
+methods() = println(METHODS)