| /* |
| * 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.zest.api.query.grammar; |
| |
| import org.apache.zest.api.composite.Composite; |
| import org.apache.zest.functional.Specification; |
| |
| /** |
| * This should be used when doing native queries, such as SQL, SPARQL or similar. EntityFinders can choose |
| * what type of query languages they can understand by checking the language property of a QuerySpecification |
| */ |
| public class QuerySpecification |
| implements Specification<Composite> |
| { |
| public static boolean isQueryLanguage( String language, Specification<Composite> specification ) |
| { |
| if( !( specification instanceof QuerySpecification ) ) |
| { |
| return false; |
| } |
| |
| return ( (QuerySpecification) specification ).language().equals( language ); |
| } |
| |
| private String language; |
| private String query; |
| |
| public QuerySpecification( String language, String query ) |
| { |
| this.language = language; |
| this.query = query; |
| } |
| |
| public String language() |
| { |
| return language; |
| } |
| |
| public String query() |
| { |
| return query; |
| } |
| |
| @Override |
| public boolean satisfiedBy( Composite item ) |
| { |
| return false; |
| } |
| |
| @Override |
| public String toString() |
| { |
| return language + ":" + query; |
| } |
| } |