| /** |
| * 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.jena.riot.system; |
| |
| import org.apache.jena.graph.Triple ; |
| import org.apache.jena.sparql.core.Quad ; |
| |
| /** The interface for the output of RDF, such as the RIOT parsers. |
| * The parser event model is that items are emitted for significant events. |
| * The events are start/finish, emitting triples/quads/tuples as necessary, prefixes and base directives. |
| * Tuples are generalized triples or quads. A triple language will call triple(), |
| * quad language quad() in preference. |
| */ |
| public interface StreamRDF |
| { |
| /** Start processing */ |
| public void start() ; |
| |
| /** Triple emitted */ |
| public void triple(Triple triple) ; |
| |
| /** Quad emitted */ |
| public void quad(Quad quad) ; |
| |
| // /** Generalized emitted */ |
| // public void tuple(Tuple<Node> tuple) ; |
| // |
| /** base declaration seen */ |
| public void base(String base) ; |
| |
| /** prefix declaration seen */ |
| public void prefix(String prefix, String iri) ; |
| |
| /** Finish processing */ |
| public void finish() ; |
| |
| } |