public class FilterExecutor extends Object implements Function
| Constructor and Description |
|---|
FilterExecutor(Filter filter) |
| Modifier and Type | Method and Description |
|---|---|
void |
cleanup()
When running in local mode, called when the local cluster is being shut down.
|
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)
Called when the
Operation is first initialized. |
public FilterExecutor(Filter filter)
public void execute(TridentTuple tuple, TridentCollector collector)
FunctionPerforms the function logic on an individual tuple and emits 0 or more tuples.
public void prepare(Map<String,Object> conf, TridentOperationContext context)
OperationCalled when the Operation is first initialized.
prepare in interface Operationconf - 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.TridentOperationContextCopyright © 2021 The Apache Software Foundation. All rights reserved.