1 /* 2 * Licensed to the University Corporation for Advanced Internet Development, 3 * Inc. (UCAID) under one or more contributor license agreements. See the 4 * NOTICE file distributed with this work for additional information regarding 5 * copyright ownership. The UCAID licenses this file to You under the Apache 6 * License, Version 2.0 (the "License"); you may not use this file except in 7 * compliance with the License. You may obtain a copy of the License at 8 * 9 * http://www.apache.org/licenses/LICENSE-2.0 10 * 11 * Unless required by applicable law or agreed to in writing, software 12 * distributed under the License is distributed on an "AS IS" BASIS, 13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 * See the License for the specific language governing permissions and 15 * limitations under the License. 16 */ 17 18 package edu.internet2.middleware.shibboleth.common.attribute.resolver.provider.dataConnector; 19 20 import java.util.Map; 21 22 import edu.internet2.middleware.shibboleth.common.attribute.BaseAttribute; 23 import edu.internet2.middleware.shibboleth.common.attribute.resolver.provider.ResolutionPlugIn; 24 25 /** 26 * A plugin used to pull attribute information from a data store. 27 * 28 * Data connectors must be stateless and thread-safe as a single instance may be used to service every request. 29 */ 30 public interface DataConnector extends ResolutionPlugIn<Map<String, BaseAttribute>> { 31 32 /** 33 * Returns the ID of data connectors to use if this one fails. 34 * 35 * @return ID of data connectors to use if this one fails 36 */ 37 public String getFailoverDependencyId(); 38 }