returns the amount of free swap space in bytes . concode_field_sep OperatingSystemMXBean osMxBean concode_elem_sep Method getTotalPhysicalMemorySize concode_elem_sep Method getSystemLoadAverage concode_elem_sep Method getSystemCpuLoad concode_elem_sep Method getFreeSwapSpaceSize concode_elem_sep Method getFreePhysicalMemorySize concode_elem_sep OsProbe INSTANCE concode_elem_sep Method getTotalSwapSpaceSize concode_field_sep long getTotalPhysicalMemorySize concode_elem_sep double getSystemLoadAverage concode_elem_sep OsInfo osInfo concode_elem_sep OsStats osStats concode_elem_sep long getFreePhysicalMemorySize concode_elem_sep OsProbe getInstance concode_elem_sep Method getMethod concode_elem_sep short getSystemCpuPercent concode_elem_sep long getTotalSwapSpaceSize
long function ( ) { if ( getFreeSwapSpaceSize == null ) { return - 1 ; } try { return ( long ) getFreeSwapSpaceSize . invoke ( osMxBean ) ; } catch ( Throwable loc0 ) { return - 1 ; } }