void function ( ) { }
start the service . this method is invoked on the execution thread . by default this method does nothing . concode_field_sep Logger logger concode_elem_sep Service delegate concode_field_sep void doStop concode_elem_sep void run concode_elem_sep Throwable failureCause concode_elem_sep String serviceName concode_elem_sep void triggerShutdown concode_elem_sep Service startAsync concode_elem_sep void shutDown concode_elem_sep boolean isRunning concode_elem_sep Executor executor concode_elem_sep void doStart concode_elem_sep void awaitTerminated concode_elem_sep void awaitTerminated concode_elem_sep Service stopAsync concode_elem_sep String toString concode_elem_sep String toString concode_elem_sep State state concode_elem_sep void awaitRunning concode_elem_sep void awaitRunning concode_elem_sep void addListener