Package org.apache.druid.query.dimension
Class PrefixFilteredDimensionSpec
- java.lang.Object
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- org.apache.druid.query.dimension.BaseFilteredDimensionSpec
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- org.apache.druid.query.dimension.PrefixFilteredDimensionSpec
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- All Implemented Interfaces:
Cacheable
,DimensionSpec
public class PrefixFilteredDimensionSpec extends BaseFilteredDimensionSpec
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Field Summary
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Fields inherited from class org.apache.druid.query.dimension.BaseFilteredDimensionSpec
delegate
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Constructor Summary
Constructors Constructor Description PrefixFilteredDimensionSpec(DimensionSpec delegate, String prefix)
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description DimensionSelector
decorate(DimensionSelector selector)
Decorate aDimensionSelector
, allowing custom transformation of underlying behavior (e.g.boolean
equals(Object o)
byte[]
getCacheKey()
Get a byte array used as a cache key.String
getPrefix()
int
hashCode()
String
toString()
DimensionSpec
withDimension(String newDimension)
Returns a copy of this DimensionSpec with the underlying dimension (the value ofDimensionSpec.getDimension()
) replaced by "newDimension".-
Methods inherited from class org.apache.druid.query.dimension.BaseFilteredDimensionSpec
getDelegate, getDimension, getExtractionFn, getOutputName, getOutputType, mustDecorate, preservesOrdering
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Methods inherited from class java.lang.Object
clone, finalize, getClass, notify, notifyAll, wait, wait, wait
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Methods inherited from interface org.apache.druid.query.dimension.DimensionSpec
canVectorize, decorate, decorate
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Constructor Detail
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PrefixFilteredDimensionSpec
public PrefixFilteredDimensionSpec(DimensionSpec delegate, String prefix)
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Method Detail
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getPrefix
public String getPrefix()
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decorate
public DimensionSelector decorate(DimensionSelector selector)
Description copied from interface:DimensionSpec
Decorate aDimensionSelector
, allowing custom transformation of underlying behavior (e.g. performing extraction functions in the case ofExtractionDimensionSpec
, regex filtering in the case ofRegexFilteredDimensionSpec
, and so on).
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getCacheKey
public byte[] getCacheKey()
Description copied from interface:Cacheable
Get a byte array used as a cache key.- Returns:
- a cache key
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withDimension
public DimensionSpec withDimension(String newDimension)
Description copied from interface:DimensionSpec
Returns a copy of this DimensionSpec with the underlying dimension (the value ofDimensionSpec.getDimension()
) replaced by "newDimension".
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