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package org.openecomp.sdc.be.components.impl.version;
import org.openecomp.sdc.be.dao.api.ActionStatus;
import org.openecomp.sdc.be.impl.ComponentsUtils;
import org.openecomp.sdc.be.model.Component;
import org.openecomp.sdc.be.model.ComponentInstance;
import org.openecomp.sdc.be.model.PolicyDefinition;
import org.openecomp.sdc.be.model.jsontitan.operations.ToscaOperationFacade;
import org.openecomp.sdc.be.model.operations.api.StorageOperationStatus;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.util.List;
import java.util.function.UnaryOperator;
import static org.apache.commons.collections.CollectionUtils.isEmpty;
@org.springframework.stereotype.Component
public class PolicyTargetsUpdateOperation implements PostChangeVersionOperation {
private static final Logger log = LoggerFactory.getLogger(PolicyTargetsUpdateOperation.class);
private final ToscaOperationFacade toscaOperationFacade;
private final ComponentsUtils componentsUtils;
public PolicyTargetsUpdateOperation(ToscaOperationFacade toscaOperationFacade, ComponentsUtils componentsUtils) {
this.toscaOperationFacade = toscaOperationFacade;
this.componentsUtils = componentsUtils;
}
@Override
public ActionStatus onChangeVersion(Component container, ComponentInstance prevVersion, ComponentInstance newVersion) {
return replacePolicyTargetsInstanceId(container, prevVersion, newVersion);
}
private ActionStatus replacePolicyTargetsInstanceId(Component container, ComponentInstance prevVersion, ComponentInstance newVersion) {
log.debug("#replacePolicyTargetsInstanceId - replacing all policy targets for component instance {} with component instance {}", prevVersion.getUniqueId(), newVersion.getUniqueId());
List<PolicyDefinition> policiesWithPrevInstanceAsTarget = container.resolvePoliciesByComponentInstanceTarget(prevVersion.getUniqueId());
if (isEmpty(policiesWithPrevInstanceAsTarget)) {
return ActionStatus.OK;
}
replaceTargetsPrevInstanceIdWithNewInstanceId(prevVersion, newVersion, policiesWithPrevInstanceAsTarget);
return updatePolicies(container, policiesWithPrevInstanceAsTarget);
}
private ActionStatus updatePolicies(Component policiesContainer, List<PolicyDefinition> policiesToUpdate) {
log.debug("#updatePolicies - updating {} policies for container {}", policiesToUpdate.size(), policiesContainer.getUniqueId());
StorageOperationStatus updatePolicyResult = toscaOperationFacade.updatePoliciesOfComponent(policiesContainer.getUniqueId(), policiesToUpdate);
return componentsUtils.convertFromStorageResponse(updatePolicyResult, policiesContainer.getComponentType());
}
private void replaceTargetsPrevInstanceIdWithNewInstanceId(ComponentInstance prevVersion, ComponentInstance newVersion, List<PolicyDefinition> policiesWithPrevInstanceAsTarget) {
policiesWithPrevInstanceAsTarget.forEach(policy -> updatePolicyTargetWithNewInstanceVersion(policy, prevVersion.getUniqueId(), newVersion.getUniqueId()));
}
private void updatePolicyTargetWithNewInstanceVersion(PolicyDefinition policyDefinition, String prevInstanceId, String newInstanceId) {
List<String> policyInstanceTargets = policyDefinition.resolveComponentInstanceTargets();
if (isEmpty(policyInstanceTargets)) {
return;
}
policyInstanceTargets.replaceAll(prevInstanceIdByNewInstanceId(prevInstanceId, newInstanceId));
}
private UnaryOperator<String> prevInstanceIdByNewInstanceId(String prevInstanceId, String newInstanceId) {
return instId -> instId.equals(prevInstanceId) ? newInstanceId: instId;
}
}
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