1 package org.apache.maven.search; 2 3 /* 4 * Licensed to the Apache Software Foundation (ASF) under one 5 * or more contributor license agreements. See the NOTICE file 6 * distributed with this work for additional information 7 * regarding copyright ownership. The ASF licenses this file 8 * to you under the Apache License, Version 2.0 (the 9 * "License"); you may not use this file except in compliance 10 * with the License. You may obtain a copy of the License at 11 * 12 * http://www.apache.org/licenses/LICENSE-2.0 13 * 14 * Unless required by applicable law or agreed to in writing, 15 * software distributed under the License is distributed on an 16 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 17 * KIND, either express or implied. See the License for the 18 * specific language governing permissions and limitations 19 * under the License. 20 */ 21 22 import java.io.Closeable; 23 24 /** 25 * An engine to perform search trough single repository index (backend). 26 */ 27 public interface SearchBackend extends SearchEngine, Closeable 28 { 29 /** 30 * Returns the ID of this backend, never {@code null}. 31 */ 32 String getBackendId(); 33 34 /** 35 * Returns the repository ID that this backend searches for, never {@code null}. 36 */ 37 String getRepositoryId(); 38 }