| /* |
| * 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.openjpa.persistence.query; |
| |
| /** |
| * Operator that combines two components to form a path. |
| * |
| * @author Pinaki Poddar |
| * |
| */ |
| public enum PathOperator { |
| NONE(" "), |
| INNER(" JOIN "), |
| OUTER(" LEFT JOIN "), |
| FETCH_INNER(" JOIN FETCH "), |
| FETCH_OUTER(" LEFT JOIN FETCH "), |
| NAVIGATION("."), |
| KEY("KEY"), |
| ROOT(""), |
| VALUE("VALUE"), |
| ENTRY("ENTRY"); |
| |
| private final String _symbol; |
| |
| PathOperator(String symbol) { |
| _symbol = symbol; |
| } |
| |
| public String toString() { |
| return _symbol; |
| } |
| } |