1 # This file is part of NIT ( http://www.nitlanguage.org ).
3 # Licensed under the Apache License, Version 2.0 (the "License");
4 # you may not use this file except in compliance with the License.
5 # You may obtain a copy of the License at
7 # http://www.apache.org/licenses/LICENSE-2.0
9 # Unless required by applicable law or agreed to in writing, software
10 # distributed under the License is distributed on an "AS IS" BASIS,
11 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 # See the License for the specific language governing permissions and
13 # limitations under the License.
15 # Service to serialize `POSet` to JSON
16 module serialize_model
18 private import json
::serialization_write
24 # Serialize `self` to JSON using the `to_s` representation of each item
25 fun to_thin_json
: String
27 var thin_poset
= new POSet[String]
29 var from
= (e
or else "null").to_s
30 for g
in self[e
].direct_greaters
do
31 thin_poset
.add_edge
(from
, (g
or else "null").to_s
)
34 return thin_poset
.serialize_to_json