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save metadata of zdd #45

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save metadata of zdd #45

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1 change: 1 addition & 0 deletions ZDD/jl_zdd/weighted.jl
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Original file line number Diff line number Diff line change
Expand Up @@ -2,6 +2,7 @@ using DataStructures
using LightGraphs
using Statistics
import Base: Dict
using JSON

include("weighted_node.jl")
include("node_auxillaries.jl")
Expand Down
3 changes: 2 additions & 1 deletion ZDD/jl_zdd/weightless.jl
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Original file line number Diff line number Diff line change
@@ -1,6 +1,7 @@
using DataStructures
using LightGraphs
import Base: Dict
using JSON

include("weightless_node.jl")
include("node_auxillaries.jl")
Expand Down Expand Up @@ -85,7 +86,7 @@ end
function connect_components!(n::Node, Cᵤ::UInt8, Cᵥ::UInt8)
"""
If the two components are different, remove the smaller component from n.comp,
and update n.comp_assign.
and update n.comp_assign.
"""
assignment = max(Cᵤ, Cᵥ)
to_change = min(Cᵤ, Cᵥ)
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30 changes: 26 additions & 4 deletions ZDD/jl_zdd/zdd.jl
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Expand Up @@ -47,10 +47,14 @@ function construct_zdd(g::SimpleGraph,
g_edges::Array{NodeEdge,1};
weights::Vector{Int64}=Vector{Int64}([1 for i in 1:nv(g)]),
viz::Bool=false,
save_fp::String="zdd_tree.txt")::ZDD
tree_save_fp::String="zdd_tree.txt",
meta_save_fp::String="zdd_metadata.json")::ZDD
# delete file if it already exists
if isfile(save_fp)
rm(save_fp)
if isfile(tree_save_fp)
rm(tree_save_fp)
end
if isfile(meta_save_fp)
rm(meta_save_fp)
end

weights = Vector{UInt32}([convert(UInt32,i) for i in weights])
Expand All @@ -72,6 +76,7 @@ function construct_zdd(g::SimpleGraph,
reusable_set = Set{ForbiddenPair}([])
recycler = Stack{Node}()
lower_vs = Vector{UInt8}([])
layer_sizes = Vector{Int}([])

for i = 1:ne(g)
for n in N[i]
Expand Down Expand Up @@ -104,15 +109,32 @@ function construct_zdd(g::SimpleGraph,
add_zdd_edge!(zdd, n, n′, n_idx, x)
end
end
push!(layer_sizes, length(N[i]))
zdd.deleted_nodes += length(N[i])
save_tree_so_far!(zdd, save_fp, length(N[i]))
save_tree_so_far!(zdd, tree_save_fp, length(N[i]))
erase_upper_levels!(zdd, N[i+1], zero_terminal, one_terminal, length(N[i])) # release memory
N[i] = Set{Node}([]) # release memory
# println(i, ": ", Base.summarysize(zdd))
end
save_metadata(meta_save_fp, g_edges, layer_sizes)
return zdd
end

function save_metadata(save_fp::String, g_edges::Vector{NodeEdge}, layer_sizes::Vector{Int})
output_file = open(save_fp, "w")
# dictionary to write
dict = Dict("edges" => g_edges,
"layer_sizes" => layer_sizes)

# pass data as a json string (how it shall be displayed in a file)
stringdata = JSON.json(dict)

# write the file with the stringdata variable information
open(save_fp, "w") do f
write(f, stringdata)
end
end

function save_tree_so_far!(zdd::ZDD, save_fp::String, layer_size::Int)
output_file = open(save_fp, "a")
for zdd_node in zdd.graph[3:layer_size+2]
Expand Down