SingleFunction (The Adobe Experience Manager SDK 2022.11.9850.20221116T162329Z-220900)

java.lang.Object
- org.apache.lucene.queries.function.ValueSource
- - org.apache.lucene.queries.function.valuesource.SingleFunction

Direct Known Subclasses:

SimpleFloatFunction
```
public abstract class SingleFunction
extends ValueSource
```
A function with a single argument

Constructor Summary

Constructors
Constructor Description

SingleFunction(ValueSource source)

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`void`	`createWeight(java.util.Map context, IndexSearcher searcher)`	Implementations should propagate createWeight to sub-ValueSources which can optionally store weight info in the context.
`java.lang.String`	`description()`	description of field, used in explain()
`boolean`	`equals(java.lang.Object o)`
`int`	`hashCode()`

Methods inherited from class org.apache.lucene.queries.function.ValueSource
getSortField, getValues, newContext, toString

Methods inherited from class java.lang.Object
getClass, notify, notifyAll, wait, wait, wait

- Constructor Detail
  - SingleFunction
```
public SingleFunction(ValueSource source)
```
- Method Detail
  - description
```
public java.lang.String description()
```
    Description copied from class: ValueSource
    
    description of field, used in explain()
    
    Specified by:
    
    description in class ValueSource
  - hashCode
```
public int hashCode()
```
    Specified by:
    
    hashCode in class ValueSource
  - equals
```
public boolean equals(java.lang.Object o)
```
    Specified by:
    
    equals in class ValueSource
  - createWeight
```
public void createWeight(java.util.Map context,
                         IndexSearcher searcher)
                  throws java.io.IOException
```
    Description copied from class: ValueSource
    
    Implementations should propagate createWeight to sub-ValueSources which can optionally store weight info in the context. The context object will be passed to getValues() where this info can be retrieved.
    
    Overrides:
    
    createWeight in class ValueSource
    
    Throws:
    
    java.io.IOException