| /** |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * <p> |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * <p> |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package org.apache.atlas.discovery; |
| |
| |
| import org.apache.atlas.SortOrder; |
| import org.apache.atlas.exception.AtlasBaseException; |
| import org.apache.atlas.model.discovery.*; |
| import org.apache.atlas.model.profile.AtlasUserSavedSearch; |
| |
| import java.util.List; |
| import java.util.Set; |
| |
| public interface AtlasDiscoveryService { |
| /** |
| * |
| * @param query search query in DSL format. |
| * @param limit number of resultant rows (for pagination). [ limit > 0 ] and [ limit < maxlimit ]. -1 maps to atlas.search.defaultlimit property. |
| * @param offset offset to the results returned (for pagination). [ offset >= 0 ]. -1 maps to offset 0. |
| * @return AtlasSearchResult |
| */ |
| AtlasSearchResult searchUsingDslQuery(String query, int limit, int offset) throws AtlasBaseException; |
| |
| /** |
| * |
| * @param query query |
| * @param typeName type name |
| * @param classification classification |
| * @return Query in DSL form |
| */ |
| String getDslQueryUsingTypeNameClassification(String query, String typeName, String classification); |
| |
| /** |
| * |
| * @param query search query. |
| * @param excludeDeletedEntities exclude deleted entities in search result. |
| * @param limit number of resultant rows (for pagination). [ limit > 0 ] and [ limit < maxlimit ]. -1 maps to atlas.search.defaultlimit property. |
| * @param offset offset to the results returned (for pagination). [ offset >= 0 ]. -1 maps to offset 0. |
| * @return AtlasSearchResult |
| */ |
| AtlasSearchResult searchUsingFullTextQuery(String query, boolean excludeDeletedEntities, int limit, int offset) throws AtlasBaseException; |
| |
| /** |
| * |
| * @param query search query. |
| * @param type entity type. |
| * @param classification classification name. |
| * @param attrName attribute name. |
| * @param attrValuePrefix attribute value prefix. |
| * @param excludeDeletedEntities exclude deleted entities in search result. |
| * @param limit number of resultant rows (for pagination). [ limit > 0 ] and [ limit < maxlimit ]. -1 maps to atlas.search.defaultlimit property. |
| * @param offset offset to the results returned (for pagination). [ offset >= 0 ]. -1 maps to offset 0. |
| * @return AtlasSearchResult |
| */ |
| AtlasSearchResult searchUsingBasicQuery(String query, String type, String classification, String attrName, |
| String attrValuePrefix, boolean excludeDeletedEntities, int limit, int offset) throws AtlasBaseException; |
| |
| /** |
| * Search for entities matching the search criteria |
| * @param searchParameters Search criteria |
| * @return Matching entities |
| * @throws AtlasBaseException |
| */ |
| AtlasSearchResult searchWithParameters(SearchParameters searchParameters) throws AtlasBaseException; |
| |
| /** |
| * |
| * @param guid unique ID of the entity. |
| * @param relation relation name. |
| * @param getApproximateCount |
| * @param searchParameters |
| * @return AtlasSearchResult |
| */ |
| AtlasSearchResult searchRelatedEntities(String guid, String relation, boolean getApproximateCount, SearchParameters searchParameters) throws AtlasBaseException; |
| |
| /** |
| * |
| * |
| * @param savedSearch Search to be saved |
| * @throws AtlasBaseException |
| */ |
| AtlasUserSavedSearch addSavedSearch(String currentUser, AtlasUserSavedSearch savedSearch) throws AtlasBaseException; |
| |
| /** |
| * |
| * @param savedSearch Search to be saved |
| * @throws AtlasBaseException |
| */ |
| AtlasUserSavedSearch updateSavedSearch(String currentUser, AtlasUserSavedSearch savedSearch) throws AtlasBaseException; |
| |
| /** |
| * |
| * @param userName Name of the user for whom the saved searches are to be retrieved |
| * @return List of saved searches for the user |
| * @throws AtlasBaseException |
| */ |
| List<AtlasUserSavedSearch> getSavedSearches(String currentUser, String userName) throws AtlasBaseException; |
| |
| /** |
| * |
| * @param guid Guid for the saved search |
| * @return Search object identified by the guid |
| * @throws AtlasBaseException |
| */ |
| AtlasUserSavedSearch getSavedSearchByGuid(String currentUser, String guid) throws AtlasBaseException; |
| |
| /** |
| * |
| * @param userName Name of the user who the search belongs |
| * @param searchName Name of the search to be retrieved |
| * @return Search object identified by the name |
| * @throws AtlasBaseException |
| */ |
| AtlasUserSavedSearch getSavedSearchByName(String currentUser, String userName, String searchName) throws AtlasBaseException; |
| |
| /** |
| * |
| * @param currentUser User requesting the operation |
| * @param guid Guid used to look up Saved Search |
| * @throws AtlasBaseException |
| */ |
| void deleteSavedSearch(String currentUser, String guid) throws AtlasBaseException; |
| |
| /** |
| * Search for entities matching the search criteria |
| * @param searchParameters Search criteria |
| * @return Matching entities |
| * @throws AtlasBaseException |
| */ |
| AtlasQuickSearchResult quickSearch(QuickSearchParameters searchParameters) throws AtlasBaseException; |
| |
| /** |
| * Should return top 5 suggestion strings for the given prefix. |
| * @param prefixString the prefix string |
| * @param fieldName field from which to retrieve suggestions |
| * @return top 5 suggestion strings for the given prefix. |
| */ |
| AtlasSuggestionsResult getSuggestions(String prefixString, String fieldName); |
| } |