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

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