Class TrueFilter
- java.lang.Object
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- org.apache.storm.trident.operation.impl.TrueFilter
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- All Implemented Interfaces:
Serializable,EachOperation,Filter,Operation
public class TrueFilter extends Object implements Filter
- See Also:
- Serialized Form
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Constructor Summary
Constructors Constructor Description TrueFilter()
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description voidcleanup()When running in local mode, called when the local cluster is being shut down.booleanisKeep(TridentTuple tuple)Determines if a tuple should be filtered out of a stream.voidprepare(Map<String,Object> conf, TridentOperationContext context)Called when the `Operation` is first initialized.
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Method Detail
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isKeep
public boolean isKeep(TridentTuple tuple)
Description copied from interface:FilterDetermines if a tuple should be filtered out of a stream.
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prepare
public void prepare(Map<String,Object> conf, TridentOperationContext context)
Description copied from interface:OperationCalled when the `Operation` is first initialized.- Specified by:
preparein interfaceOperation- Parameters:
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.- See Also:
TridentOperationContext
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