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