indicates that no more items will be added to the queue , no more items currently in the queue will be loaded , and that worker threads polling this queue should shut down . concode_field_sep java.util.LinkedList _loadQueue concode_elem_sep ImageLoadItem KILL_SWITCH concode_field_sep void addToQueue concode_elem_sep boolean isKillSwitch concode_elem_sep int size concode_elem_sep void reset concode_elem_sep ImageLoadItem getTask
void function ( ) { _loadQueue . addLast ( KILL_SWITCH ) ; notifyAll ( ) ; }