public class FlatMapFunctionExecutor extends BaseOperation implements Function
| Constructor and Description |
|---|
FlatMapFunctionExecutor(FlatMapFunction function) |
| Modifier and Type | Method and Description |
|---|---|
void |
cleanup()
No-op implemnation.
|
void |
execute(TridentTuple tuple,
TridentCollector collector)
Performs the function logic on an individual tuple and emits 0 or more tuples.
|
void |
prepare(Map<String,Object> conf,
TridentOperationContext context)
No-op implementation.
|
public FlatMapFunctionExecutor(FlatMapFunction function)
public void prepare(Map<String,Object> conf, TridentOperationContext context)
BaseOperationNo-op implementation.
prepare in interface Operationprepare in class BaseOperationconf - the Storm configuration mapcontext - the operation context which provides information such as the number of partitions in the stream, and the current partition index. It also provides methods for registering operation-specific metrics.TridentOperationContextpublic void cleanup()
BaseOperationNo-op implemnation.
cleanup in interface Operationcleanup in class BaseOperationpublic void execute(TridentTuple tuple, TridentCollector collector)
FunctionPerforms the function logic on an individual tuple and emits 0 or more tuples.
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