context_switch #

Description #

context_switch filter can be used to use context variables for conditional judgment and achieve flexible jumps.

Configuration Example #

A simple example is as follows:

flow:
  - name: context_switch
    filter:
      - context_switch:
          context: logging.month
          default_flow: echo_message_not_found
          switch:
            - case: ["02","01"]
              action: redirect_flow
              flow: echo_message_01_02
            - case: ["03"]
              action: redirect_flow
              flow: echo_message_03

Parameter Description #

Name	Type	Description
context	string	The name of context
skip_error	bool	Whether to ignore the error and returned directly, such like the context variable does not exist
default_action	string	Set the default action，could be `redirect_flow` or `drop`，default `redirect_flow`
default_flow	string	Set the default flow
stringify_value	bool	Whether to stringify the value，default `true`。
continue	bool	Whether to continue the flow after hit. Request returns immediately after it is set to `false`. The default value is `false`.
switch	array	Switched by some cases
switch[i].case	[]string	Matched criteria
switch[i].action	string	The action when met the case，could be `redirect_flow` or `drop`，default `redirect_flow`
switch[i].flow	string	When action is `redirect_flow`，the flow to redirect，or will use the default flow