path_hierarchy.txt

{
  "settings": {
    "index": {
      "number_of_shards": 1, 
      "number_of_replicas": 0,
      "analysis": {
        "analyzer": {
          "ph": {
            "tokenizer": "path_hierarchy"
          }
        }
      }
    }
  }, 
  "mappings": {
    "doc": {
      "properties": {
        "foo": {
          "type": "string",
          "analyzer": "ph"
        }
      }
    }
  }
}