V
- Vector type@Alias(value="de.lmu.ifi.dbs.elki.datasource.filter.SparseVectorFieldFilter") public class SparseVectorFieldFilter<V extends SparseNumberVector> extends AbstractConversionFilter<V,V>
Modifier and Type | Field and Description |
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private static Logging |
LOG
Class logger.
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(package private) int |
maxdim
Maximum dimension.
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Constructor and Description |
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SparseVectorFieldFilter()
Constructor.
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Modifier and Type | Method and Description |
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protected SimpleTypeInformation<? super V> |
convertedType(SimpleTypeInformation<V> in)
Get the output type from the input type after conversion.
|
protected V |
filterSingleObject(V obj)
Normalize a single instance.
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protected SimpleTypeInformation<? super V> |
getInputTypeRestriction()
Get the input type restriction used for negotiating the data query.
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protected Logging |
getLogger()
Class logger.
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protected void |
prepareProcessInstance(V obj)
Process a single object during initialization.
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protected boolean |
prepareStart(SimpleTypeInformation<V> in)
Return "true" when the normalization needs initialization (two-pass filtering!).
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filter, prepareComplete
private static final Logging LOG
int maxdim
protected boolean prepareStart(SimpleTypeInformation<V> in)
AbstractConversionFilter
prepareStart
in class AbstractConversionFilter<V extends SparseNumberVector,V extends SparseNumberVector>
in
- Input type informationprotected void prepareProcessInstance(V obj)
AbstractConversionFilter
prepareProcessInstance
in class AbstractConversionFilter<V extends SparseNumberVector,V extends SparseNumberVector>
obj
- Object to processprotected V filterSingleObject(V obj)
AbstractConversionFilter
filterSingleObject
in class AbstractConversionFilter<V extends SparseNumberVector,V extends SparseNumberVector>
obj
- Database object to normalizeprotected SimpleTypeInformation<? super V> getInputTypeRestriction()
AbstractConversionFilter
getInputTypeRestriction
in class AbstractConversionFilter<V extends SparseNumberVector,V extends SparseNumberVector>
protected SimpleTypeInformation<? super V> convertedType(SimpleTypeInformation<V> in)
AbstractConversionFilter
convertedType
in class AbstractConversionFilter<V extends SparseNumberVector,V extends SparseNumberVector>
in
- input type restrictionprotected Logging getLogger()
AbstractConversionFilter
getLogger
in class AbstractConversionFilter<V extends SparseNumberVector,V extends SparseNumberVector>
Copyright © 2015 ELKI Development Team, Lehr- und Forschungseinheit für Datenbanksysteme, Ludwig-Maximilians-Universität München. License information.