| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| /** |
| * Expressions. |
| * <p> |
| * {@link org.apache.lucene.expressions.Expression} - result of compiling an expression, which can |
| * evaluate it for a given document. Each expression can have external variables are resolved by |
| * {@code Bindings}. |
| * </p> |
| * |
| * <p> |
| * {@link org.apache.lucene.expressions.Bindings} - abstraction for binding external variables |
| * to a way to get a value for those variables for a particular document (DoubleValuesSource). |
| * </p> |
| * |
| * <p> |
| * {@link org.apache.lucene.expressions.SimpleBindings} - default implementation of bindings which |
| * provide easy ways to bind sort fields and other expressions to external variables |
| * </p> |
| */ |
| package org.apache.lucene.expressions; |
