question: public synchronized void clearDynamicProperties ( ) throws ReplicatorException { logger . info ( "Clearing dynamic properties" ) ; if ( dynamicProperties != null ) dynamicProperties . clear ( ) ; if ( dynamicPropertiesFile . exists ( ) ) { if ( ! dynamicPropertiesFile . delete ( ) ) logger . error ( "Unable to delete dynamic properties file: " + dynamicPropertiesFile . getAbsolutePath ( ) ) ; } if ( dynamicRoleFile != null ) { if ( dynamicRoleFile . exists ( ) ) { if ( ! dynamicRoleFile . delete ( ) ) logger . error ( "Unable to delete dynamic role file: " + dynamicRoleFile . getAbsolutePath ( ) ) ; } } }
target:  Clear in-memory dynamic properties and delete on-disk file, if it exists.