Bindings (Lucene 9.0.0 expressions API)

java.lang.Object
- org.apache.lucene.expressions.Bindings

Direct Known Subclasses:

SimpleBindings
```
public abstract class Bindings
extends Object
```
Binds variable names in expressions to actual data.
These are typically DocValues fields/FieldCache, the document's relevance score, or other ValueSources.

WARNING: This API is experimental and might change in incompatible ways in the next release.

Constructor Summary

Constructors
Modifier Constructor Description

protected Bindings()
Sole constructor.

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`abstract DoubleValuesSource`	`getDoubleValuesSource(String name)`	Returns a DoubleValuesSource bound to the variable name

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - Bindings
```
protected Bindings()
```
    Sole constructor. (For invocation by subclass constructors, typically implicit.)
- Method Detail
  - getDoubleValuesSource
```
public abstract DoubleValuesSource getDoubleValuesSource(String name)
```
    Returns a DoubleValuesSource bound to the variable name