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/*-
* ============LICENSE_START=======================================================
* ONAP CLAMP
* ================================================================================
* Copyright (C) 2019 Nokia 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.policy.clamp.loop;
import com.google.gson.JsonObject;
import java.io.IOException;
import java.util.List;
import java.util.Set;
import javax.persistence.EntityNotFoundException;
import org.onap.policy.clamp.clds.tosca.update.ToscaConverterWithDictionarySupport;
import org.onap.policy.clamp.loop.template.LoopTemplatesService;
import org.onap.policy.clamp.loop.template.PolicyModel;
import org.onap.policy.clamp.loop.template.PolicyModelsService;
import org.onap.policy.clamp.policy.microservice.MicroServicePolicy;
import org.onap.policy.clamp.policy.microservice.MicroServicePolicyService;
import org.onap.policy.clamp.policy.operational.OperationalPolicy;
import org.onap.policy.clamp.policy.operational.OperationalPolicyService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
@Service
public class LoopService {
@Autowired
private LoopsRepository loopsRepository;
@Autowired
private MicroServicePolicyService microservicePolicyService;
@Autowired
private OperationalPolicyService operationalPolicyService;
@Autowired
private PolicyModelsService policyModelsService;
@Autowired
private LoopTemplatesService loopTemplateService;
@Autowired
private ToscaConverterWithDictionarySupport toscaConverter;
Loop saveOrUpdateLoop(Loop loop) {
return loopsRepository.save(loop);
}
List<String> getClosedLoopNames() {
return loopsRepository.getAllLoopNames();
}
public Loop getLoop(String loopName) {
return loopsRepository.findById(loopName).orElse(null);
}
public void deleteLoop(String loopName) {
loopsRepository.deleteById(loopName);
}
/**
* Creates a Loop Instance from Loop Template Name.
*
* @param loopName Name of the Loop to be created
* @param templateName Loop Template to used for Loop
* @return Loop Instance
*/
public Loop createLoopFromTemplate(String loopName, String templateName) {
return loopsRepository
.save(new Loop(loopName, loopTemplateService.getLoopTemplate(templateName), toscaConverter));
}
/**
* This method is used to refresh the DCAE deployment status fields.
*
* @param loop The loop instance to be modified
* @param deploymentId The deployment ID as returned by DCAE
* @param deploymentUrl The Deployment URL as returned by DCAE
*/
public void updateDcaeDeploymentFields(Loop loop, String deploymentId, String deploymentUrl) {
loop.setDcaeDeploymentId(deploymentId);
loop.setDcaeDeploymentStatusUrl(deploymentUrl);
loopsRepository.saveAndFlush(loop);
}
public void updateLoopState(Loop loop, String newState) {
loop.setLastComputedState(LoopState.valueOf(newState));
loopsRepository.save(loop);
}
/**
* This method add an operational policy to a loop instance.
* This creates an operational policy from the policy model info and not the loop element model
*
* @param loopName The loop name
* @param policyType The policy model type
* @param policyVersion The policy model version
* @return The loop modified
*/
Loop addOperationalPolicy(String loopName, String policyType, String policyVersion) throws IOException {
Loop loop = getLoop(loopName);
PolicyModel policyModel = policyModelsService.getPolicyModel(policyType, policyVersion);
Set<OperationalPolicy> opPolicySet = loop.getOperationalPolicies();
for (OperationalPolicy opPolicy : opPolicySet) {
if (opPolicy.getPolicyModel().equals(policyModel)) {
throw new IllegalArgumentException(
"This type of Operational Policy is already added to the loop. Please choose another one.");
}
}
if (policyModel == null) {
return null;
}
loop.addOperationalPolicy(
new OperationalPolicy(loop, loop.getModelService(), policyModel, toscaConverter));
return loopsRepository.saveAndFlush(loop);
}
/**
* This method remove an operational policy to a loop instance.
*
* @param loopName The loop name
* @param policyType The policy model type
* @param policyVersion The policy model version
* @return The loop modified
*/
Loop removeOperationalPolicy(String loopName, String policyType, String policyVersion) {
Loop loop = getLoop(loopName);
PolicyModel policyModel = policyModelsService.getPolicyModel(policyType, policyVersion);
if (policyModel == null) {
return null;
}
for (OperationalPolicy opPolicy : loop.getOperationalPolicies()) {
if (opPolicy.getPolicyModel().getPolicyModelType().equals(policyType)
&& opPolicy.getPolicyModel().getVersion().equals(policyVersion)) {
loop.removeOperationalPolicy(opPolicy);
break;
}
}
return loopsRepository.saveAndFlush(loop);
}
Loop updateAndSaveOperationalPolicies(String loopName, List<OperationalPolicy> newOperationalPolicies) {
Loop loop = findClosedLoopByName(loopName);
Set<OperationalPolicy> newPolicies = operationalPolicyService.updatePolicies(loop, newOperationalPolicies);
loop.setOperationalPolicies(newPolicies);
return loopsRepository.save(loop);
}
Loop updateAndSaveMicroservicePolicies(String loopName, List<MicroServicePolicy> newMicroservicePolicies) {
Loop loop = findClosedLoopByName(loopName);
Set<MicroServicePolicy> newPolicies = microservicePolicyService.updatePolicies(loop, newMicroservicePolicies);
loop.setMicroServicePolicies(newPolicies);
return loopsRepository.save(loop);
}
Loop updateAndSaveGlobalPropertiesJson(String loopName, JsonObject newGlobalPropertiesJson) {
Loop loop = findClosedLoopByName(loopName);
loop.setGlobalPropertiesJson(newGlobalPropertiesJson);
return loopsRepository.save(loop);
}
MicroServicePolicy updateMicroservicePolicy(String loopName, MicroServicePolicy newMicroservicePolicy) {
Loop loop = findClosedLoopByName(loopName);
return microservicePolicyService.getAndUpdateMicroServicePolicy(loop, newMicroservicePolicy);
}
private Loop findClosedLoopByName(String loopName) {
return loopsRepository.findById(loopName)
.orElseThrow(() -> new EntityNotFoundException("Couldn't find closed loop named: " + loopName));
}
}
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