class_docstr: Each TextFeature keeps information of a single text record.
  It can include various status (if any) of a text,
  e.g. original text content, uri, category label, tokens, index representation
  of tokens, BigDL Sample representation, prediction result and so on.
docstr: Get the label of the TextFeature.
  If no label is stored, -1 will be returned.
  
  :return: Int
docstr_tok: ["Get","the","label","of","the","TextFeature",".","If","no","label","is","stored",",","-1","will","be","returned",".",":","return",":","Int"]
code: def get_label(self):
      """
      Get the label of the TextFeature.
      If no label is stored, -1 will be returned.
  
      :return: Int
      """
      return callZooFunc(
          self.bigdl_type, "textFeatureGetLabel", self.value
      )
  
file_path: analytics-zoo/pyzoo/zoo/feature/text/text_feature.py
imports: import sys
  import six
  from bigdl.util.common import JavaValue
  from zoo.common.utils import callZooFunc
label_desc: Use image node_id 3 for calling the TextFeature obj's underlying member method code with example usage: obj.get_label() and returns: callZooFunc