boolean function ( ) { return services != null ; }
check whether the tracker is started . concode_field_sep AxisServiceFilter filter concode_elem_sep AxisServiceTrackerListener listener concode_elem_sep Queue<Runnable> pendingActions concode_elem_sep Set<AxisService> services concode_elem_sep AxisConfiguration config concode_elem_sep Object lock concode_elem_sep AxisObserver observer concode_field_sep void deserializeParameters concode_elem_sep void init concode_elem_sep boolean isParameterLocked concode_elem_sep void serviceAdded concode_elem_sep void serviceGroupUpdate concode_elem_sep void moduleUpdate concode_elem_sep void start concode_elem_sep void addParameter concode_elem_sep void stop concode_elem_sep ArrayList<Parameter> getParameters concode_elem_sep void serviceRemoved concode_elem_sep void serviceUpdate concode_elem_sep void removeParameter concode_elem_sep Parameter getParameter