public class TrueFilter extends Object implements Filter
Constructor and Description |
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TrueFilter() |
Modifier and Type | Method and Description |
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void |
cleanup()
When running in local mode, called when the local cluster is being shut down.
|
boolean |
isKeep(TridentTuple tuple)
Determines if a tuple should be filtered out of a stream.
|
void |
prepare(Map<String,Object> conf,
TridentOperationContext context)
Called when the
Operation is first initialized. |
public boolean isKeep(TridentTuple tuple)
Filter
Determines if a tuple should be filtered out of a stream.
public void prepare(Map<String,Object> conf, TridentOperationContext context)
Operation
Called when the Operation
is first initialized.
prepare
in interface Operation
conf
- 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.TridentOperationContext
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