| Package | Description | 
|---|---|
| org.apache.hadoop.yarn.util | 
| Modifier and Type | Class and Description | 
|---|---|
class  | 
MonotonicClock
A monotonic clock from some arbitrary time base in the past, counting in
 milliseconds, and not affected by settimeofday or similar system clock
 changes. 
 | 
class  | 
SystemClock
Implementation of  
Clock that gives the current time from the system
 clock in milliseconds. | 
class  | 
UTCClock
Implementation of  
Clock that gives the current UTC time in
 milliseconds. | 
| Constructor and Description | 
|---|
AbstractLivelinessMonitor(String name,
                         Clock clock)  | 
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