json_stream_reader_task.md

JsonStreamReaderTask

Reads a json file and iterate on each line, returning decoded content as array. Skips empty lines.

Task reference

• Service: CleverAge\ProcessBundle\Task\File\JsonStream\JsonStreamReaderTask
• Iterable task

Accepted inputs

string: Path of the file to read from (absolute)

Possible outputs

array: foreach line, it will return content as array. Underlying method are SplFileObject::fgets and json_decode.

Options

Code	Type	Required	Default	Description
spl_file_object_flags	array, null		\SplFileObject::DROP_NEW_LINE \SplFileObject::READ_AHEAD \SplFileObject::SKIP_EMPTY	Flags to pass to SplFileObject constructor, can be empty. See PHP documentation for more information on available flags.
json_flags	array, null		\JSON_THROW_ON_ERROR	Flags to pass to json_encode function, can be empty. See PHP documentation for more information on available flags.

Example

# Task configuration level
entry:
  service: '@CleverAge\ProcessBundle\Task\ConstantIterableOutputTask'
  outputs: read
  options:
    output:
      file_path: '%kernel.project_dir%/var/data/json_stream_reader.json'
read:
  service: '@CleverAge\ProcessBundle\Task\File\JsonStream\JsonStreamReaderTask'
  options:
    spl_file_object_flags: []
    json_flags:
      - !php/const JSON_ERROR_NONE