public class CoGroupWithSolutionSetFirstDriver<IT1,IT2,OT> extends Object implements ResettableDriver<CoGroupFunction<IT1,IT2,OT>,OT>
Modifier and Type | Field and Description |
---|---|
protected boolean |
running |
Constructor and Description |
---|
CoGroupWithSolutionSetFirstDriver() |
Modifier and Type | Method and Description |
---|---|
void |
cancel()
This method is invoked when the driver must aborted in mid processing.
|
void |
cleanup()
This method is invoked in any case (clean termination and exception) at the end of the tasks operation.
|
int |
getNumberOfDriverComparators()
Gets the number of comparators required for this driver.
|
int |
getNumberOfInputs()
Gets the number of inputs that the task has.
|
Class<CoGroupFunction<IT1,IT2,OT>> |
getStubType()
Gets the class of the stub type that is run by this task.
|
void |
initialize() |
boolean |
isInputResettable(int inputNum) |
void |
prepare()
This method is called before the user code is opened.
|
void |
reset() |
void |
run()
The main operation method of the task.
|
void |
setup(TaskContext<CoGroupFunction<IT1,IT2,OT>,OT> context) |
void |
teardown() |
public void setup(TaskContext<CoGroupFunction<IT1,IT2,OT>,OT> context)
public int getNumberOfInputs()
Driver
getNumberOfInputs
in interface Driver<CoGroupFunction<IT1,IT2,OT>,OT>
public Class<CoGroupFunction<IT1,IT2,OT>> getStubType()
Driver
MapFunction.class
.getStubType
in interface Driver<CoGroupFunction<IT1,IT2,OT>,OT>
public int getNumberOfDriverComparators()
Driver
getNumberOfDriverComparators
in interface Driver<CoGroupFunction<IT1,IT2,OT>,OT>
public boolean isInputResettable(int inputNum)
isInputResettable
in interface ResettableDriver<CoGroupFunction<IT1,IT2,OT>,OT>
public void initialize()
initialize
in interface ResettableDriver<CoGroupFunction<IT1,IT2,OT>,OT>
public void prepare()
Driver
public void run() throws Exception
Driver
run
in interface Driver<CoGroupFunction<IT1,IT2,OT>,OT>
Exception
- Any exception thrown by this method signals task failure. Because exceptions in the user
code typically signal situations where this instance in unable to proceed, exceptions
from the user code should be forwarded.public void cleanup()
Driver
public void reset()
reset
in interface ResettableDriver<CoGroupFunction<IT1,IT2,OT>,OT>
public void teardown()
teardown
in interface ResettableDriver<CoGroupFunction<IT1,IT2,OT>,OT>
Copyright © 2014–2019 The Apache Software Foundation. All rights reserved.