org.apache.lucene.queries.function.valuesource

Class LiteralValueSource

java.lang.Object

org.apache.lucene.queries.function.ValueSource

org.apache.lucene.queries.function.valuesource.LiteralValueSource

public class LiteralValueSource
extends ValueSource

Pass a the field value through as a String, no matter the type // Q: doesn't this mean it's a "string"?

Field Summary

Fields

Modifier and Type	Field and Description
protected BytesRef	bytesRef
static int	hash
protected String	string

Constructor Summary

Constructors

Constructor and Description
LiteralValueSource(String string)

Method Summary

Modifier and Type	Method and Description
String	description() description of field, used in explain()
boolean	equals(Object o)
String	getValue() returns the literal value
FunctionValues	getValues(Map context, LeafReaderContext readerContext) Gets the values for this reader and the context that was previously passed to createWeight().
int	hashCode()

Methods inherited from class org.apache.lucene.queries.function.ValueSource

asDoubleValuesSource, asLongValuesSource, createWeight, fromDoubleValuesSource, getSortField, newContext, toString

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Field Detail

string

protected final String string

bytesRef

protected final BytesRef bytesRef

hash

public static final int hash

Constructor Detail

LiteralValueSource

public LiteralValueSource(String string)

Method Detail

getValue

public String getValue()

returns the literal value

getValues

public FunctionValues getValues(Map context,
                                LeafReaderContext readerContext)
                         throws IOException

Description copied from class: ValueSource

Gets the values for this reader and the context that was previously passed to createWeight(). The values must be consumed in a forward docID manner, and you must call this method again to iterate through the values again.

Specified by:

getValues in class ValueSource

Throws:

IOException

description

public String description()

Description copied from class: ValueSource

description of field, used in explain()

Specified by:

description in class ValueSource

equals

public boolean equals(Object o)

Specified by:

equals in class ValueSource

hashCode

public int hashCode()

Specified by:

hashCode in class ValueSource