abap-feature-toggle

abap-feature-toggle

Feature toggle for ABAP (aka Feature Flags)

A software engineering technique that turns system functionalities on and off during runtime, with no downtimes, and deploying new codes.

• Validate feature functionality
• Modify system behaviour without disruptive changes or stoppers
• Minimize risks during development/implementation phase
• System outage
• Helps developers and testers to keep the development flow uninterrupted

Diagram

Instantiating

• create an entry on view ZFEAT_TOGGLE;
• activate/deactivate the created toggle;
• use snippet below to instantiate/implement the feature toggle.

DATA gc_feature_toggle TYPE zcore_feature_toggle.
DATA go_feature_toggle TYPE REF TO zif_core_feature_toggle.
DATA gv_is_active      TYPE c.

CREATE OBJECT go_feature_toggle TYPE zcl_core_feature_toggle.

gv_is_active = go_feature_toggle->is_active( gc_feature_toggle ).

IF gv_is_active = abap_true
  ...
ENDIF.

Examples and documentation

Main class implementation is ZCL_CORE_FEATURE_TOGGLE.

Find use methods below aside of its documentation.

• is_active

is_active

Check whether the feature toggle is activated. The return is a boolean value of the current status of a given feature toggle.

• input:
  • iv_feature TYPE (zcore_feature_toggle)
• result: TYPE abap_bool

Example: Z_TEST_FEATURE_TOGGLE.

See source code here.