1 /** 2 * Copyright 2005-2015 The Kuali Foundation 3 * 4 * Licensed under the Educational Community 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.opensource.org/licenses/ecl2.php 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 package org.kuali.rice.krad.data.provider; 17 18 import java.util.List; 19 20 /** 21 * Registry of KRAD Data Providers. 22 * 23 * @author Kuali Rice Team (rice.collab@kuali.org) 24 */ 25 public interface ProviderRegistry { 26 27 /** 28 * Register a Provider. 29 * 30 * @param provider the provider to register 31 */ 32 void registerProvider(Provider provider); 33 34 /** 35 * Unregister a Provider if it exists. 36 * 37 * @param provider the provider to unregister 38 * 39 * @return true if provider was unregistered 40 */ 41 boolean unregisterProvider(Provider provider); 42 43 /** 44 * Obtain list of all registered providers. 45 * 46 * @return non-null and immutable list of all registered providers 47 */ 48 List<Provider> getProviders(); 49 50 /** 51 * Obtain list of all registered providers of a given type. 52 * 53 * @param providerType the provider type 54 * 55 * @return non-null and immutable list of all registered providers of a given type 56 */ 57 List<Provider> getProvidersForType(Class<? extends Provider> providerType); 58 59 /** 60 * Obtain list of all registered MetadataProviders 61 * 62 * @return non-null and immutable list of all registered MetadataProviders 63 */ 64 List<MetadataProvider> getMetadataProviders(); 65 66 /** 67 * Obtain the first MetadataProvider which handles the gives type. 68 * 69 * @return the MetadataProvider which handles the given type, or null if none could be found 70 */ 71 MetadataProvider getMetadataProvider(Class<?> type); 72 73 /** 74 * Return the persistence provider for a given type. 75 * 76 * @param type the data object type 77 * 78 * @return persistence provider for given type, or null if no matching provider is registered 79 */ 80 PersistenceProvider getPersistenceProvider(Class<?> type); 81 82 }