Package org.apache.lucene.expressions

Expressions.

Expression - result of compiling an expression, which can evaluate it for a given document. Each expression can have external variables are resolved by Bindings.

Bindings - abstraction for binding external variables to a way to get a value for those variables for a particular document (DoubleValuesSource).

SimpleBindings - default implementation of bindings which provide easy ways to bind sort fields and other expressions to external variables

Class Summary

Class	Description
Bindings	Binds variable names in expressions to actual data.
Expression	Base class that computes the value of an expression for a document.
SimpleBindings	Simple class that binds expression variable names to SortFields or other Expressions.