Module org.apache.lucene.queries
Class LiteralValueSource
- java.lang.Object
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- org.apache.lucene.queries.function.ValueSource
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- org.apache.lucene.queries.function.valuesource.LiteralValueSource
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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"?
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Constructor Summary
Constructors Constructor Description LiteralValueSource(java.lang.String string)
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description java.lang.String
description()
description of field, used in explain()boolean
equals(java.lang.Object o)
java.lang.String
getValue()
returns the literal valueFunctionValues
getValues(java.util.Map<java.lang.Object,java.lang.Object> context, LeafReaderContext readerContext)
Gets the values for this reader and the context that was previously passed to createWeight().int
hashCode()
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Methods inherited from class org.apache.lucene.queries.function.ValueSource
asDoubleValuesSource, asLongValuesSource, createWeight, fromDoubleValuesSource, getSortField, newContext, toString
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Field Detail
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string
protected final java.lang.String string
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bytesRef
protected final BytesRef bytesRef
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hash
public static final int hash
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Method Detail
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getValue
public java.lang.String getValue()
returns the literal value
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getValues
public FunctionValues getValues(java.util.Map<java.lang.Object,java.lang.Object> context, LeafReaderContext readerContext) throws java.io.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 classValueSource
- Throws:
java.io.IOException
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description
public java.lang.String description()
Description copied from class:ValueSource
description of field, used in explain()- Specified by:
description
in classValueSource
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equals
public boolean equals(java.lang.Object o)
- Specified by:
equals
in classValueSource
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hashCode
public int hashCode()
- Specified by:
hashCode
in classValueSource
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