class_docstr: Base class for all app integrations to be implemented for various services
docstr: Method for performing any startup steps, like setting state to running
docstr_tok: ["Method","for","performing","any","startup","steps",",","like","setting","state","to","running"]
code: def _initialize(self):
      """Method for performing any startup steps, like setting state to running"""
      # Perform another safety check to make sure this is not being invoked already
      if self._config.is_running:
          LOGGER.warning("[%s] App already running", self)
          return False
  
      # Check if this is an invocation spawned from a previous partial execution
      # Return if the config is marked as 'partial' but the invocation type is wrong
      if (
          not self._config.is_successive_invocation
          and self._config.is_partial
      ):
          LOGGER.error(
              "[%s] App in partial execution state, exiting", self
          )
          return False
  
      LOGGER.info("[%s] Starting app", self)
  
      LOGGER.info(
          "App executing as a successive invocation: %s",
          self._config.is_successive_invocation,
      )
  
      # Validate the auth in the config. This raises an exception upon failure
      self._config.validate_auth(set(self.required_auth_info()))
  
      self._config.set_starting_timestamp(self.date_formatter())
  
      self._last_timestamp = self._config.last_timestamp
      self._context = self._config.context
  
      # Mark this app as running, which updates the parameter store
      self._config.mark_running()
  
      return True
  
imports: from abc import ABCMeta, abstractmethod, abstractproperty
  from json import JSONDecodeError
  import time
  import boto3
  from botocore.exceptions import ClientError
  import requests
  from streamalert.apps.config import AppConfig
  from streamalert.apps.batcher import Batcher
  from streamalert.shared.logger import get_logger
label_desc: Use image node_id 12 for calling the AppIntegration obj's underlying member method code with example usage: obj._initialize() and returns: True, False, False