org.apache.lucene.expressions

## Class Bindings

- 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 and Description
    --- | ---
    `protected` | `Bindings()` Sole constructor.

  - ### Method Summary

    All Methods Instance Methods Abstract Methods
    Modifier and Type | Method and 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

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