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/*
* ============LICENSE_START=======================================================
* Copyright (C) 2023 TechMahindra Ltd.
* ================================================================================
* Licensed 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.
*
* SPDX-License-Identifier: Apache-2.0
* ============LICENSE_END=========================================================
*/
package org.onap.cps.api;
import java.util.Collection;
import java.util.List;
import org.onap.cps.spi.model.DataNode;
import org.onap.cps.spi.model.DeltaReport;
public interface CpsDeltaService {
/**
* Retrieves delta between source data nodes and target data nodes. Source data nodes contain the data which acts as
* the point of reference for delta report, whereas target data nodes contain the data being compared against
* source data node. List of {@link DeltaReport}. Each Delta Report contains information such as action, xpath,
* source-payload and target-payload.
*
* @param sourceDataNodes collection of {@link DataNode} as source/reference for delta generation
* @param targetDataNodes collection of {@link DataNode} as target data for delta generation
* @return list of {@link DeltaReport} containing delta information
*/
List<DeltaReport> getDeltaReports(Collection<DataNode> sourceDataNodes,
Collection<DataNode> targetDataNodes);
}
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