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/*-
* ============LICENSE_START=======================================================
* Copyright (C) 2019 Nordix Foundation.
* Modifications Copyright (C) 2021 AT&T Intellectual Property. All rights reserved.
* Modifications Copyright (C) 2021-2022 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.
*
* SPDX-License-Identifier: Apache-2.0
* ============LICENSE_END=========================================================
*/
package org.onap.policy.pap.main.rest;
import java.util.ArrayList;
import java.util.List;
import lombok.RequiredArgsConstructor;
import org.apache.commons.lang3.tuple.Pair;
import org.onap.policy.models.base.PfModelException;
import org.onap.policy.models.pdp.concepts.Pdp;
import org.onap.policy.models.pdp.concepts.PdpGroup;
import org.onap.policy.models.pdp.concepts.PdpSubGroup;
import org.onap.policy.models.pdp.concepts.Pdps;
import org.onap.policy.pap.main.service.PdpGroupService;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.http.HttpStatus;
import org.springframework.stereotype.Service;
/**
* Provider for PAP component to to fetch health status of all PDPs registered with PAP.
*
* @author Ram Krishna Verma (ram.krishna.verma@est.tech)
*/
@Service
@RequiredArgsConstructor
public class PdpGroupHealthCheckProvider {
private static final Logger LOGGER = LoggerFactory.getLogger(PdpGroupHealthCheckProvider.class);
private final PdpGroupService pdpGroupService;
/**
* Returns health status of all PDPs.
*
* @return a pair containing the status and the response
* @throws PfModelException in case of errors
*/
public Pair<HttpStatus, Pdps> fetchPdpGroupHealthStatus() throws PfModelException {
final var pdps = new Pdps();
final List<PdpGroup> groups = pdpGroupService.getPdpGroups();
final List<Pdp> pdpList = new ArrayList<>();
for (final PdpGroup group : groups) {
for (final PdpSubGroup subGroup : group.getPdpSubgroups()) {
pdpList.addAll(subGroup.getPdpInstances());
}
}
pdps.setPdpList(pdpList);
LOGGER.debug("PdpGroup HealthCheck Response - {}", pdps);
return Pair.of(HttpStatus.OK, pdps);
}
}
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