| /******************************************************************************* |
| * 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. |
| ******************************************************************************/ |
| package org.apache.olingo.odata2.api.uri.expression; |
| |
| /** |
| * Enumeration describing all possible node types inside an expression tree |
| * |
| */ |
| public enum ExpressionKind { |
| /** |
| * Used to mark the root node of a filter expression tree |
| * @see FilterExpression |
| */ |
| FILTER, |
| /** |
| * Literal expressions like "1.1d" or "'This is a string'" |
| * @see LiteralExpression |
| */ |
| LITERAL, |
| |
| /** |
| * Unary operator expressions like "not" and "-" |
| * @see UnaryExpression |
| */ |
| UNARY, |
| |
| /** |
| * Binary operator expressions like "eq" and "or" |
| * @see BinaryExpression |
| */ |
| BINARY, |
| |
| /** |
| * Method operator expressions like "substringof" and "concat" |
| * @see MethodExpression |
| */ |
| METHOD, |
| |
| /** |
| * Member access expressions like "/" in "adress/street" |
| * @see MemberExpression |
| */ |
| MEMBER, |
| |
| /** |
| * Property expressions like "age" |
| * @see PropertyExpression |
| */ |
| PROPERTY, |
| |
| /** |
| * Order expressions like "age desc" |
| * @see OrderExpression |
| */ |
| ORDER, |
| |
| /** |
| * Orderby expression like "age desc, name asc" |
| * @see OrderByExpression |
| */ |
| ORDERBY; |
| } |