| /** |
| * 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.maven.mercury.spi.http.client.retrieve; |
| |
| /** |
| * Retriever |
| * <p/> |
| * Component to retrieve a set of remote files as an atomic operation. |
| */ |
| public interface Retriever |
| { |
| /** |
| * Retrieve a set of artifacts and wait until all retrieved successfully |
| * or an error occurs. |
| * <p/> |
| * Note: whilst this method is synchronous for the caller, the implementation |
| * will be asynchronous so many artifacts are fetched in parallel. |
| * |
| * @param request |
| * @return |
| */ |
| RetrievalResponse retrieve( RetrievalRequest request ); |
| |
| |
| /** |
| * Retrieve a set of artifacts without waiting for the results. |
| * When all results have been obtained (or an error occurs) the |
| * RetrievalResponse will be called. |
| * |
| * @param request |
| * @param callback |
| */ |
| void retrieve( RetrievalRequest request, RetrievalCallback callback ); |
| } |
