Package | Description |
---|---|
org.apache.lucene.document |
The logical representation of a
Document for indexing and searching. |
org.apache.lucene.search |
Code to search indices.
|
Modifier and Type | Method and Description |
---|---|
static DoubleValuesSource |
FeatureField.newDoubleValues(String field,
String featureName)
Creates a
DoubleValuesSource instance which can be used to read the values of a feature from the a
FeatureField for documents. |
Modifier and Type | Field and Description |
---|---|
static DoubleValuesSource |
DoubleValuesSource.SCORES
A DoubleValuesSource that exposes a document's score
If this source is used as part of a values calculation, then callers must not
pass
null as the DoubleValues parameter on getValues(LeafReaderContext, DoubleValues) |
Modifier and Type | Method and Description |
---|---|
static DoubleValuesSource |
DoubleValuesSource.constant(double value)
Creates a DoubleValuesSource that always returns a constant value
|
static DoubleValuesSource |
DoubleValuesSource.fromDoubleField(String field)
Creates a DoubleValuesSource that wraps a double-valued field
|
static DoubleValuesSource |
DoubleValuesSource.fromField(String field,
LongToDoubleFunction decoder)
Creates a DoubleValuesSource that wraps a generic NumericDocValues field
|
static DoubleValuesSource |
DoubleValuesSource.fromFloatField(String field)
Creates a DoubleValuesSource that wraps a float-valued field
|
static DoubleValuesSource |
DoubleValuesSource.fromIntField(String field)
Creates a DoubleValuesSource that wraps an int-valued field
|
static DoubleValuesSource |
DoubleValuesSource.fromLongField(String field)
Creates a DoubleValuesSource that wraps a long-valued field
|
static DoubleValuesSource |
DoubleValuesSource.fromQuery(Query query)
Create a DoubleValuesSource that returns the score of a particular query
|
abstract DoubleValuesSource |
DoubleValuesSource.rewrite(IndexSearcher reader)
Return a DoubleValuesSource specialised for the given IndexSearcher
Implementations should assume that this will only be called once.
|
DoubleValuesSource |
LongValuesSource.toDoubleValuesSource()
Convert to a DoubleValuesSource by casting long values to doubles
|
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