1 /* 2 * Copyright [2006] [University Corporation for Advanced Internet Development, Inc.] 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package edu.internet2.middleware.shibboleth.common.attribute.resolver.provider.dataConnector; 18 19 import java.util.Map; 20 21 import edu.internet2.middleware.shibboleth.common.attribute.BaseAttribute; 22 import edu.internet2.middleware.shibboleth.common.attribute.resolver.provider.ResolutionPlugIn; 23 24 /** 25 * A plugin used to pull attribute information from a data store. 26 * 27 * Data connectors must be stateless and thread-safe as a single instance may be used to service every request. 28 */ 29 public interface DataConnector extends ResolutionPlugIn<Map<String, BaseAttribute>> { 30 31 /** 32 * Returns the ID of data connectors to use if this one fails. 33 * 34 * @return ID of data connectors to use if this one fails 35 */ 36 public String getFailoverDependencyId(); 37 }