| /* |
| * 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.sparql.graph; |
| |
| import java.util.Collections; |
| import java.util.Map; |
| import java.util.Map.Entry; |
| import java.util.Optional; |
| import java.util.function.BiConsumer; |
| |
| import org.apache.jena.shared.PrefixMapping; |
| |
| /** Sink {@link PrefixMapping}. Accepts changes but does not retain state. */ |
| public class PrefixMappingSink extends PrefixMappingBase { |
| @Override |
| protected void add(String prefix, String uri) { } |
| |
| @Override |
| protected void remove(String prefix) { } |
| |
| @Override |
| protected void clear() {} |
| |
| @Override |
| protected boolean isEmpty() { |
| return true; |
| } |
| |
| @Override |
| protected int size() { |
| return 0; |
| } |
| |
| @Override |
| protected String prefixToUri(String prefix) { |
| return null; |
| } |
| |
| @Override |
| protected String uriToPrefix(String uri) { |
| return null; |
| } |
| |
| @Override |
| protected Optional<Entry<String, String>> findMapping(String uri, boolean partial) { |
| return Optional.empty(); |
| } |
| |
| @Override |
| protected Map<String, String> asMap() { |
| return Collections.emptyMap(); |
| } |
| |
| @Override |
| protected Map<String, String> asMapCopy() { |
| return Collections.emptyMap(); |
| } |
| |
| @Override |
| protected void apply(BiConsumer<String, String> action) {} |
| |
| @Override |
| public String toString() { |
| return "pm:Sink"; |
| } |
| } |