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/*
* ============LICENSE_START=======================================================
* Copyright (C) 2021 highstreet technologies GmbH
* Copyright (C) 2021 Nordix Foundation
* ================================================================================
* 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.nfproxy.api;
import java.util.Collection;
import org.checkerframework.checker.nullness.qual.NonNull;
import org.onap.cps.spi.FetchDescendantsOption;
import org.onap.cps.spi.model.DataNode;
/*
* Datastore interface for handling CPS data.
*/
public interface NfProxyDataService {
/**
* Retrieves datanode by XPath for a given cm handle.
*
* @param cmHandle The identifier for a network function, network element, subnetwork or any other cm
* object by managed NF-Proxy
* @param xpath xpath
* @param fetchDescendantsOption defines the scope of data to fetch: either single node or all the descendant nodes
* (recursively) as well
* @return data node object
*/
DataNode getDataNode(@NonNull String cmHandle, @NonNull String xpath,
@NonNull FetchDescendantsOption fetchDescendantsOption);
/**
* Get datanodes for the given cm handle by cps path.
*
* @param cmHandle The identifier for a network function, network element, subnetwork or any other cm
* object by managed NF-Proxy
* @param cpsPath cps path
* @param fetchDescendantsOption defines whether the descendants of the node(s) found by the query should be
* included in the output
* @return a collection of datanodes
*/
Collection<DataNode> queryDataNodes(@NonNull String cmHandle, @NonNull String cpsPath,
@NonNull FetchDescendantsOption fetchDescendantsOption);
/**
* Updates data node for given cm handle using xpath to parent node.
*
* @param cmHandle The identifier for a network function, network element, subnetwork or any other cm object
* by managed NF-Proxy
* @param parentNodeXpath xpath to parent node
* @param jsonData json data
*/
void updateNodeLeaves(@NonNull String cmHandle, @NonNull String parentNodeXpath, @NonNull String jsonData);
/**
* Replaces existing data node content including descendants.
*
* @param cmHandle The identifier for a network function, network element, subnetwork or any other cm object
* by managed NF-Proxy
* @param parentNodeXpath xpath to parent node
* @param jsonData json data
*/
void replaceNodeTree(@NonNull String cmHandle, @NonNull String parentNodeXpath, @NonNull String jsonData);
}
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