question: protected static void invalidateSwitchPoints ( ) { if ( LOG_ENABLED ) { LOG . info ( "invalidating switch point" ) ; } synchronized ( IndyInterface . class ) { SwitchPoint old = switchPoint ; switchPoint = new SwitchPoint ( ) ; SwitchPoint . invalidateAll ( new SwitchPoint [ ] { old } ) ; } }
target:  Callback for constant meta class update change