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/*
* ============LICENSE_START==============================================
* Copyright (c) 2019 AT&T Intellectual Property.
* =======================================================================
* 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.optf.cmso.optimizer.clients.optimizer;
import com.fasterxml.jackson.databind.ObjectMapper;
import java.util.Optional;
import java.util.UUID;
import org.onap.observations.Observation;
import org.onap.optf.cmso.optimizer.clients.optimizer.models.OptimizerEngineResponse;
import org.onap.optf.cmso.optimizer.clients.optimizer.models.OptimizerEngineResponse.OptimizerEngineResponseStatus;
import org.onap.optf.cmso.optimizer.clients.optimizer.models.OptimizerResults;
import org.onap.optf.cmso.optimizer.clients.optimizer.models.OptimizerSchedule;
import org.onap.optf.cmso.optimizer.clients.topology.TopologyRequestManager;
import org.onap.optf.cmso.optimizer.clients.topology.models.TopologyResponse;
import org.onap.optf.cmso.optimizer.common.LogMessages;
import org.onap.optf.cmso.optimizer.model.Optimizer;
import org.onap.optf.cmso.optimizer.model.Request;
import org.onap.optf.cmso.optimizer.model.Response;
import org.onap.optf.cmso.optimizer.model.dao.OptimizerDao;
import org.onap.optf.cmso.optimizer.model.dao.RequestDao;
import org.onap.optf.cmso.optimizer.model.dao.ResponseDao;
import org.onap.optf.cmso.optimizer.service.rs.models.OptimizerRequest;
import org.onap.optf.cmso.optimizer.service.rs.models.OptimizerResponse;
import org.onap.optf.cmso.optimizer.service.rs.models.OptimizerResponse.OptimizeScheduleStatus;
import org.onap.optf.cmso.optimizer.service.rs.models.OptimizerScheduleInfo;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.core.env.Environment;
import org.springframework.stereotype.Component;
/**
* The Class OPtimizerRequestManager.
*/
@Component
public class OptimizerRequestManager {
@Autowired
Environment env;
@Autowired
RequestDao requestDao;
@Autowired
OptimizerDao optimizerDao;
@Autowired
ResponseDao responseDao;
@Autowired
OptimizerClient optimizerClient;
@Autowired
TopologyRequestManager topologyRequestManager;
/**
* Creates the Optimizer request.
*
* @param requestRow the request row
* @return the Optimizer response
*/
public OptimizerEngineResponse createOptimizerRequest(Request requestRow) {
//
if (okToDispatch()) {
Optimizer optimizer = getExistingOptmizer(requestRow.getUuid());
if (optimizer == null) {
optimizer = new Optimizer();
optimizer.setUuid(requestRow.getUuid());
optimizer.setOptimizeRetries(0);
}
optimizer.setOptimizeStart(System.currentTimeMillis());
OptimizerEngineResponse apiResponse = optimizerClient.makeRequest(requestRow, optimizer);
if (apiResponse.getStatus() == OptimizerEngineResponseStatus.COMPLETED) {
optimizer.setOptimizeEnd(System.currentTimeMillis());
optimizer.setOptimizeResponse(""); // Perhaps we do not need to persist...
buildFinalResponse(requestRow, apiResponse);
}
optimizerDao.save(optimizer);
return apiResponse;
} else {
OptimizerEngineResponse apiResponse = new OptimizerEngineResponse();
apiResponse.setRequestId(requestRow.getUuid().toString());
apiResponse.setStatus(OptimizerEngineResponseStatus.IN_QUEUE);
apiResponse.setPollingSeconds(60);
return apiResponse;
}
}
private void buildFinalResponse(Request requestRow, OptimizerEngineResponse apiResponse) {
Optional<Response> opt = responseDao.findById(requestRow.getUuid());
Response responseRow = null;
if (opt.isPresent()) {
responseRow = opt.get();
}
if (responseRow == null) {
responseRow = new Response();
responseRow.setUuid(requestRow.getUuid());
}
try {
OptimizerResponse response = new OptimizerResponse();
response.setRequestId(requestRow.getUuid().toString());
response.setStatus(OptimizeScheduleStatus.COMPLETED);
String optString = requestRow.getRequest();
OptimizerRequest optimizerResquest = new ObjectMapper().readValue(optString, OptimizerRequest.class);
TopologyResponse topologyResponse = topologyRequestManager.getTopologyResponse(requestRow.getUuid());
ElementWindowMapping ewm = new ElementWindowMapping(optimizerResquest, topologyResponse);
ewm.initializeForProcessResult();
OptimizerResults results = apiResponse.getOptimizerResults();
for (OptimizerSchedule result : results.getSchedules()) {
OptimizerScheduleInfo info = ewm.processResult(result);
if (info != null) {
response.getSchedules().add(info);
}
}
responseRow.setRepsonse(new ObjectMapper().writeValueAsString(response));
requestRow.setStatus(OptimizeScheduleStatus.COMPLETED.toString());
responseDao.save(responseRow);
requestDao.save(requestRow);
} catch (Exception e) {
Observation.report(LogMessages.UNEXPECTED_EXCEPTION, e, e.getMessage());
requestRow.setStatus(OptimizeScheduleStatus.FAILED.toString());
requestRow.setMessage(e.getMessage());
responseRow.setRepsonse("");
responseDao.save(responseRow);
requestDao.save(requestRow);
}
}
private boolean okToDispatch() {
// TODO Auto-generated method stub
// Will probably change to @Async on makeRequest to queue requests in a different thread.
return true;
}
/**
* Gets the existing optimizer row.
*
* @param uuid the uuid
* @return the existing optmizer row
*/
public Optimizer getExistingOptmizer(UUID uuid) {
Optional<Optimizer> oppt = optimizerDao.findById(uuid);
if (oppt.isPresent()) {
return oppt.get();
}
return null;
}
}
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