Class StupidBackoff
org.elasticsearch.search.suggest.phrase.SmoothingModel
org.elasticsearch.search.suggest.phrase.StupidBackoff
- All Implemented Interfaces:
NamedWriteable
,Writeable
,org.elasticsearch.common.xcontent.ToXContent
,org.elasticsearch.common.xcontent.ToXContentFragment
A "stupid-backoff" smoothing model similar to . This model is used as the default if no model is configured.
See for details.
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Nested Class Summary
Nested classes/interfaces inherited from interface org.elasticsearch.common.xcontent.ToXContent
org.elasticsearch.common.xcontent.ToXContent.DelegatingMapParams, org.elasticsearch.common.xcontent.ToXContent.MapParams, org.elasticsearch.common.xcontent.ToXContent.Params
Nested classes/interfaces inherited from interface org.elasticsearch.common.io.stream.Writeable
Writeable.Reader<V>, Writeable.Writer<V>
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Field Summary
Modifier and TypeFieldDescriptionstatic double
Default discount parameter forStupidBackoff
smoothingstatic
Fields inherited from interface org.elasticsearch.common.xcontent.ToXContent
EMPTY_PARAMS
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Constructor Summary
ConstructorDescriptionStupidBackoff(double discount)
Creates a Stupid-Backoff smoothing model.StupidBackoff(StreamInput in)
Read from a stream. -
Method Summary
Modifier and TypeMethodDescriptionprotected boolean
doEquals(SmoothingModel other)
subtype specific implementation of "equals".protected int
static SmoothingModel
fromXContent(org.elasticsearch.common.xcontent.XContentParser parser)
double
Returns the name of the writeable objectprotected org.elasticsearch.common.xcontent.XContentBuilder
innerToXContent(org.elasticsearch.common.xcontent.XContentBuilder builder, org.elasticsearch.common.xcontent.ToXContent.Params params)
void
writeTo(StreamOutput out)
Write this into the StreamOutput.Methods inherited from class org.elasticsearch.search.suggest.phrase.SmoothingModel
equals, hashCode, toXContent
Methods inherited from class java.lang.
, , , , , , , ,
Methods inherited from interface org.elasticsearch.common.xcontent.ToXContentFragment
isFragment
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Field Details
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DEFAULT_BACKOFF_DISCOUNT
public static final double DEFAULT_BACKOFF_DISCOUNTDefault discount parameter forStupidBackoff
smoothing- See Also:
- Constant Field Values
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NAME
public static final NAME- See Also:
- Constant Field Values
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Constructor Details
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StupidBackoff
public StupidBackoff(double discount)Creates a Stupid-Backoff smoothing model.- Parameters:
discount
- the discount given to lower order ngrams if the higher order ngram doesn't exits
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StupidBackoff
Read from a stream.- Throws:
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Method Details
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writeTo
Description copied from interface:Writeable
Write this into the StreamOutput.- Throws:
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getDiscount
public double getDiscount()- Returns:
- the discount parameter of the model
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innerToXContent
protected org.elasticsearch.common.xcontent.XContentBuilder innerToXContent(org.elasticsearch.common.xcontent.XContentBuilder builder, org.elasticsearch.common.xcontent.ToXContent.Params params) throws- Specified by:
innerToXContent
in classSmoothingModel
- Throws:
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getWriteableName
public getWriteableName()Description copied from interface:NamedWriteable
Returns the name of the writeable object -
doEquals
Description copied from class:SmoothingModel
subtype specific implementation of "equals".- Specified by:
doEquals
in classSmoothingModel
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doHashCode
protected int doHashCode()- Specified by:
doHashCode
in classSmoothingModel
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fromXContent
public static SmoothingModel fromXContent(org.elasticsearch.common.xcontent.XContentParser parser) throws- Throws:
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buildWordScorerFactory
- Specified by:
buildWordScorerFactory
in classSmoothingModel
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