2 * ============LICENSE_START=======================================================
3 * Copyright (C) 2023 TechMahindra Ltd.
4 * ================================================================================
5 * Licensed under the Apache License, Version 2.0 (the "License");
6 * you may not use this file except in compliance with the License.
7 * You may obtain a copy of the License at
9 * http://www.apache.org/licenses/LICENSE-2.0
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.
17 * SPDX-License-Identifier: Apache-2.0
18 * ============LICENSE_END=========================================================
21 package org.onap.cps.api;
23 import java.util.Collection;
24 import java.util.List;
25 import org.onap.cps.spi.model.DataNode;
26 import org.onap.cps.spi.model.DeltaReport;
28 public interface CpsDeltaService {
31 * Retrieves delta between source data nodes and target data nodes. Source data nodes contain the data which acts as
32 * the point of reference for delta report, whereas target data nodes contain the data being compared against
33 * source data node. List of {@link DeltaReport}. Each Delta Report contains information such as action, xpath,
34 * source-payload and target-payload.
36 * @param sourceDataNodes collection of {@link DataNode} as source/reference for delta generation
37 * @param targetDataNodes collection of {@link DataNode} as target data for delta generation
38 * @return list of {@link DeltaReport} containing delta information
40 List<DeltaReport> getDeltaReports(Collection<DataNode> sourceDataNodes,
41 Collection<DataNode> targetDataNodes);