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/*-
* ============LICENSE_START=======================================================
* Copyright (C) 2021 AT&T Intellectual Property. All rights reserved.
* ================================================================================
* 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.
* ============LICENSE_END=========================================================
*/
package org.onap.dcae.runtime.web.service;
import org.onap.dcae.runtime.core.Edge;
import org.onap.dcae.runtime.core.FlowGraph;
import org.onap.dcae.runtime.core.FlowGraphParser;
import org.onap.dcae.runtime.core.FlowGraphParser.BlueprintVessel;
import org.onap.dcae.runtime.core.Node;
import org.onap.dcae.runtime.web.exception.MainGraphAlreadyExistException;
import org.onap.dcae.runtime.web.exception.MainGraphNotFoundException;
import org.onap.dcae.runtime.web.models.DistributeGraphRequest;
import org.onap.dcae.runtime.web.models.GraphRequest;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import java.util.List;
@Service
public class GraphServiceImpl implements GraphService{
@Autowired
BlueprintInventory blueprintInventory;
private FlowGraph<Node, Edge> mainFlowGraph;
Logger logger = LoggerFactory.getLogger(GraphServiceImpl.class);
@Autowired
private FlowGraphParser flowGraphParser;
@Autowired
private GraphActionsParser actionsParser;
@Override
public FlowGraph<Node, Edge> getMainGraph() {
if(mainFlowGraph == null){
throw new MainGraphNotFoundException();
}
return mainFlowGraph;
}
@Override
public boolean initializeMainGraph(GraphRequest mainGraphRequest) {
if(mainFlowGraph != null){
throw new MainGraphAlreadyExistException("Can not initialize the main graph, it already exists");
}
mainFlowGraph = new FlowGraph<Node,Edge>(mainGraphRequest.getId(),mainGraphRequest.getName(),
true, mainGraphRequest.getDescription());
mainFlowGraph.addNode(getDummyNode());
flowGraphParser.parse(mainFlowGraph);
return true;
}
private Node getDummyNode() {
return new Node("dummy_id","dummy_name","dummy_compspec");
}
@Override
public List<BlueprintVessel> distribute(DistributeGraphRequest distributeGraphRequest) {
//1.Iterate through list of actions
logger.info("applying actions to graph");
actionsParser.applyActionsToGraph(mainFlowGraph, distributeGraphRequest);
//2. generate blueprint from compspec of the node
logger.info("generating blueprints for the affected nodes");
List<BlueprintVessel> blueprints = generateBlueprintsForAffectedNodes(distributeGraphRequest);
//3a. Push blueprints to the inventory
logger.info("pushing bluepirnts to the dashboard inventrory");
blueprintInventory.distributeToInventory(blueprints);
//3b. return blueprint map
return blueprints;
}
@Override
public void deleteMainGraph() {
if(mainFlowGraph == null){
throw new MainGraphNotFoundException();
}
mainFlowGraph = null;
}
private List<BlueprintVessel> generateBlueprintsForAffectedNodes(DistributeGraphRequest distributeGraphRequest) {
return flowGraphParser.createAndProcessBlueprints();
}
}
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