| Package | Description | 
|---|---|
| org.apache.reef.driver.task | |
| org.apache.reef.examples.suspend | 
 suspend/resume demo. 
 | 
| org.apache.reef.tests.fail.driver | |
| org.apache.reef.tests.messaging.task | 
| Modifier and Type | Field and Description | 
|---|---|
static OptionalImpl<TaskMessageSource> | 
TaskConfiguration.ON_SEND_MESSAGE
Message source invoked upon each evaluator heartbeat. 
 | 
| Modifier and Type | Class and Description | 
|---|---|
class  | 
SuspendTestTask
Simple do-nothing task that can send messages to the Driver and can be suspended/resumed. 
 | 
| Modifier and Type | Class and Description | 
|---|---|
class  | 
NoopTask
A basic task that quite successfully does nothing. 
 | 
| Modifier and Type | Class and Description | 
|---|---|
class  | 
TaskMessagingTask
A basic task that receives a message and sends it back to the driver. 
 | 
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