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/*-
* ============LICENSE_START=======================================================
* ONAP PAP
* ================================================================================
* Copyright (C) 2019-2021 AT&T Intellectual Property. All rights reserved.
* Modifications Copyright (C) 2020-2021 Nordix Foundation.
* Modifications Copyright (C) 2022 Bell Canada. 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.pap.main.notification;
import java.util.Set;
import lombok.RequiredArgsConstructor;
import lombok.Setter;
import org.onap.policy.models.pap.concepts.PolicyNotification;
import org.onap.policy.models.tosca.authorative.concepts.ToscaConceptIdentifier;
import org.onap.policy.pap.main.comm.Publisher;
import org.onap.policy.pap.main.comm.QueueToken;
import org.onap.policy.pap.main.service.PolicyStatusService;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.stereotype.Component;
/**
* Notifier for completion of policy updates.
*/
@RequiredArgsConstructor
@Component
public class PolicyNotifier {
private static final Logger logger = LoggerFactory.getLogger(PolicyNotifier.class);
private final PolicyStatusService policyStatusService;
/**
* Notification publisher.
*/
@Setter
private Publisher<PolicyNotification> publisher;
/**
* Processes a response from a PDP.
*
* @param pdp PDP of interest
* @param pdpGroup name of the PdpGroup containing the PDP
* @param expectedPolicies policies that expected to be deployed on the PDP
* @param actualPolicies policies that are still active on the PDP, as specified in
* the response
*/
public synchronized void processResponse(String pdp, String pdpGroup, Set<ToscaConceptIdentifier> expectedPolicies,
Set<ToscaConceptIdentifier> actualPolicies) {
try {
DeploymentStatus status = makeDeploymentTracker();
status.loadByGroup(pdpGroup);
status.completeDeploy(pdp, expectedPolicies, actualPolicies);
var notification = new PolicyNotification();
status.flush(notification);
publish(notification);
} catch (RuntimeException e) {
logger.warn("cannot update deployment status", e);
}
}
/**
* Publishes a notification, if it is not empty.
*
* @param notification notification to be published
*/
public synchronized void publish(PolicyNotification notification) {
if (!notification.isEmpty()) {
publisher.enqueue(new QueueToken<>(notification));
}
}
// the following methods may be overridden by junit tests
protected DeploymentStatus makeDeploymentTracker() {
return new DeploymentStatus(policyStatusService);
}
}
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