question: called before a computer is marked online . this enables you to do some work on all the slaves as they get connected . unlike #ononline computer , tasklistener , a failure to carry out this function normally will prevent a computer from marked as online . concode_field_sep PlaceHolder placeHolder concode_field_sep ExtensionList<ComputerListener> all concode_elem_sep void onConfigurationChange concode_elem_sep void onTemporarilyOffline concode_elem_sep void onTemporarilyOnline concode_elem_sep void onLaunchFailure concode_elem_sep boolean unregister concode_elem_sep void onOffline concode_elem_sep void onOffline concode_elem_sep void onOnline concode_elem_sep void onOnline concode_elem_sep void preLaunch concode_elem_sep void register
target: void function ( Computer arg0 , Channel arg1 , FilePath arg2 , TaskListener arg3 ) { }