| /** |
| * 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 |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * 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.repository.store.graph; |
| |
| import org.apache.atlas.exception.AtlasBaseException; |
| import org.apache.atlas.model.instance.AtlasRelationship; |
| |
| /** |
| * Persistence/Retrieval API for AtlasRelationship |
| */ |
| public interface AtlasRelationshipStore { |
| /** |
| * Create a new relationship instance. |
| * @param relationship relationship instance definition |
| * @return AtlasRelationship d |
| */ |
| AtlasRelationship create(AtlasRelationship relationship) throws AtlasBaseException; |
| |
| /** |
| * Update an existing relationship instance. |
| * @param relationship relationship instance definition |
| * @return AtlasRelationship d |
| */ |
| AtlasRelationship update(AtlasRelationship relationship) throws AtlasBaseException; |
| |
| /** |
| * Retrieve a relationship instance using guid. |
| * @param guid relationship instance guid |
| * @return AtlasRelationship |
| */ |
| AtlasRelationship getById(String guid) throws AtlasBaseException; |
| |
| /** |
| * Retrieve a relationship if it exists or creates a new relationship instance. |
| * @param relationship relationship instance definition |
| * @return AtlasRelationship |
| */ |
| AtlasRelationship getOrCreate(AtlasRelationship relationship) throws AtlasBaseException; |
| |
| /** |
| * Delete a relationship instance using guid. |
| * @param guid relationship instance guid |
| */ |
| void deleteById(String guid) throws AtlasBaseException; |
| } |