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/*-
* ============LICENSE_START=======================================================
* Copyright (C) 2022 Bell Canada. All rights reserved.
* Modifications Copyright (C) 2023 Nordix Foundation.
* ================================================================================
* 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.service;
import java.time.Instant;
import java.util.ArrayList;
import java.util.Date;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.stream.Collectors;
import javax.ws.rs.core.Response;
import lombok.NonNull;
import lombok.RequiredArgsConstructor;
import org.onap.policy.common.parameters.BeanValidationResult;
import org.onap.policy.common.utils.services.Registry;
import org.onap.policy.models.base.PfModelRuntimeException;
import org.onap.policy.models.pdp.concepts.PdpStatistics;
import org.onap.policy.models.pdp.persistence.concepts.JpaPdpStatistics;
import org.onap.policy.pap.main.PapConstants;
import org.onap.policy.pap.main.repository.PdpStatisticsRepository;
import org.onap.policy.pap.main.rest.PapStatisticsManager;
import org.onap.policy.pap.main.rest.StatisticsReport;
import org.onap.policy.pap.main.startstop.PapActivator;
import org.springframework.data.domain.PageRequest;
import org.springframework.data.domain.Pageable;
import org.springframework.data.domain.Sort;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
@Service
@Transactional
@RequiredArgsConstructor
public class PdpStatisticsService {
private static final String TIMESTAMP = "timeStamp";
private static final int DEFAULT_RECORD_COUNT = 10;
private static final int MAX_RECORD_COUNT = 100;
private final PdpStatisticsRepository pdpStatisticsRepository;
/**
* Returns the current statistics of pap component.
*
* @return Report containing statistics of pap component
*/
public StatisticsReport fetchCurrentStatistics() {
final var report = new StatisticsReport();
report.setCode(Registry.get(PapConstants.REG_PAP_ACTIVATOR, PapActivator.class).isAlive() ? 200 : 500);
PapStatisticsManager mgr = Registry.get(PapConstants.REG_STATISTICS_MANAGER, PapStatisticsManager.class);
report.setTotalPdpCount(mgr.getTotalPdpCount());
report.setTotalPdpGroupCount(mgr.getTotalPdpGroupCount());
report.setTotalPolicyDownloadCount(mgr.getTotalPolicyDownloadCount());
report.setPolicyDownloadSuccessCount(mgr.getPolicyDownloadSuccessCount());
report.setPolicyDownloadFailureCount(mgr.getPolicyDownloadFailureCount());
report.setTotalPolicyDeployCount(mgr.getTotalPolicyDeployCount());
report.setPolicyDeploySuccessCount(mgr.getPolicyDeploySuccessCount());
report.setPolicyDeployFailureCount(mgr.getPolicyDeployFailureCount());
return report;
}
/**
* Creates PDP statistics.
*
* @param pdpStatisticsList a specification of the PDP statistics to create
* @return the PDP statistics created
*/
public List<PdpStatistics> createPdpStatistics(@NonNull final List<PdpStatistics> pdpStatisticsList) {
for (PdpStatistics pdpStatistics : pdpStatisticsList) {
var jpaPdpStatistics = new JpaPdpStatistics();
jpaPdpStatistics.fromAuthorative(pdpStatistics);
BeanValidationResult validationResult = jpaPdpStatistics.validate("pdp statistics");
if (!validationResult.isValid()) {
throw new PfModelRuntimeException(Response.Status.BAD_REQUEST, validationResult.getResult());
}
pdpStatisticsRepository.saveAndFlush(jpaPdpStatistics);
pdpStatistics.setGeneratedId(jpaPdpStatistics.getGeneratedId());
}
// Return the created PDP statistics
List<PdpStatistics> pdpStatistics = new ArrayList<>(pdpStatisticsList.size());
for (PdpStatistics pdpStatisticsItem : pdpStatisticsList) {
@SuppressWarnings("deprecation")
var jpaPdpStatistics = pdpStatisticsRepository.getById(pdpStatisticsItem.getGeneratedId());
pdpStatistics.add(jpaPdpStatistics.toAuthorative());
}
return pdpStatistics;
}
/**
* Fetch PdpStatistics from db.
*
* @param pdpGroup the name of the group
* @param pdpSubGroup the name of the subgroup
* @param pdp the pdp instance id
* @param recordCount the number of records to return
* @param startTime start time of the records to be returned
* @param endTime end time of the records to be returned
* @return pdpStatistics grouped by pdpGroup
*/
public Map<String, Map<String, List<PdpStatistics>>> fetchDatabaseStatistics(@NonNull String pdpGroup,
@NonNull String pdpSubGroup, @NonNull String pdp, int recordCount, Instant startTime, Instant endTime) {
Pageable recordSize = getRecordSize(recordCount);
if (startTime != null && endTime != null) {
return generatePdpStatistics(asPdpStatisticsList(pdpStatisticsRepository
.findByPdpGroupNameAndPdpSubGroupNameAndNameAndTimeStampBetween(pdpGroup, pdpSubGroup, pdp,
convertInstantToDate(startTime), convertInstantToDate(endTime), recordSize)));
} else if (startTime == null && endTime == null) {
return generatePdpStatistics(
asPdpStatisticsList(pdpStatisticsRepository.findByPdpGroupNameAndPdpSubGroupNameAndName(pdpGroup,
pdpSubGroup, pdp, recordSize)));
} else if (startTime != null) {
return generatePdpStatistics(asPdpStatisticsList(
pdpStatisticsRepository.findByPdpGroupNameAndPdpSubGroupNameAndNameAndTimeStampGreaterThanEqual(
pdpGroup, pdpSubGroup, pdp, convertInstantToDate(startTime), recordSize)));
} else {
return generatePdpStatistics(asPdpStatisticsList(
pdpStatisticsRepository.findByPdpGroupNameAndPdpSubGroupNameAndNameAndTimeStampLessThanEqual(
pdpGroup, pdpSubGroup, pdp, convertInstantToDate(endTime), recordSize)));
}
}
/**
* Fetch PdpStatistics from db.
*
* @param pdpGroup the name of the group
* @param pdpSubGroup the name of the subgroup
* @param recordCount the number of records to return
* @param startTime start time of the records to be returned
* @param endTime end time of the records to be returned
* @return pdpStatistics grouped by pdpGroup
*/
public Map<String, Map<String, List<PdpStatistics>>> fetchDatabaseStatistics(@NonNull String pdpGroup,
@NonNull String pdpSubGroup, int recordCount, Instant startTime, Instant endTime) {
Pageable recordSize = getRecordSize(recordCount);
if (startTime != null && endTime != null) {
return generatePdpStatistics(asPdpStatisticsList(
pdpStatisticsRepository.findByPdpGroupNameAndPdpSubGroupNameAndTimeStampBetween(pdpGroup, pdpSubGroup,
convertInstantToDate(startTime), convertInstantToDate(endTime), recordSize)));
} else if (startTime == null && endTime == null) {
return generatePdpStatistics(asPdpStatisticsList(pdpStatisticsRepository
.findByPdpGroupNameAndPdpSubGroupName(pdpGroup, pdpSubGroup, recordSize)));
} else if (startTime != null) {
return generatePdpStatistics(asPdpStatisticsList(
pdpStatisticsRepository.findByPdpGroupNameAndPdpSubGroupNameAndTimeStampGreaterThanEqual(pdpGroup,
pdpSubGroup, convertInstantToDate(startTime), recordSize)));
} else {
return generatePdpStatistics(asPdpStatisticsList(
pdpStatisticsRepository.findByPdpGroupNameAndPdpSubGroupNameAndTimeStampLessThanEqual(pdpGroup,
pdpSubGroup, convertInstantToDate(endTime), recordSize)));
}
}
/**
* Fetch PdpStatistics from db.
*
* @param pdpGroup the name of the group
* @param recordCount the number of records to return
* @param startTime start time of the records to be returned
* @param endTime end time of the records to be returned
* @return pdpStatistics grouped by pdpGroup
*/
public Map<String, Map<String, List<PdpStatistics>>> fetchDatabaseStatistics(@NonNull String pdpGroup,
int recordCount, Instant startTime, Instant endTime) {
Pageable recordSize = getRecordSize(recordCount);
if (startTime != null && endTime != null) {
return generatePdpStatistics(
asPdpStatisticsList(pdpStatisticsRepository.findByPdpGroupNameAndTimeStampBetween(pdpGroup,
convertInstantToDate(startTime), convertInstantToDate(endTime), recordSize)));
} else if (startTime == null && endTime == null) {
return generatePdpStatistics(
asPdpStatisticsList(pdpStatisticsRepository.findByPdpGroupName(pdpGroup, recordSize)));
} else if (startTime != null) {
return generatePdpStatistics(
asPdpStatisticsList(pdpStatisticsRepository.findByPdpGroupNameAndTimeStampGreaterThanEqual(pdpGroup,
convertInstantToDate(startTime), recordSize)));
} else {
return generatePdpStatistics(
asPdpStatisticsList(pdpStatisticsRepository.findByPdpGroupNameAndTimeStampLessThanEqual(pdpGroup,
convertInstantToDate(endTime), recordSize)));
}
}
/**
* Fetch PdpStatistics from db.
*
* @param recordCount the number of records to return
* @param startTime start time of the records to be returned
* @param endTime end time of the records to be returned
* @return pdpStatistics grouped by pdpGroup
*/
public Map<String, Map<String, List<PdpStatistics>>> fetchDatabaseStatistics(int recordCount, Instant startTime,
Instant endTime) {
Pageable recordSize = getRecordSize(recordCount);
if (startTime != null && endTime != null) {
return generatePdpStatistics(asPdpStatisticsList(pdpStatisticsRepository.findByTimeStampBetween(
convertInstantToDate(startTime), convertInstantToDate(endTime), recordSize)));
} else if (startTime == null && endTime == null) {
return generatePdpStatistics(
asPdpStatisticsList(pdpStatisticsRepository.findAll(recordSize).toList()));
} else if (startTime != null) {
return generatePdpStatistics(asPdpStatisticsList(pdpStatisticsRepository
.findByTimeStampGreaterThanEqual(convertInstantToDate(startTime), recordSize)));
} else {
return generatePdpStatistics(asPdpStatisticsList(pdpStatisticsRepository
.findByTimeStampLessThanEqual(convertInstantToDate(endTime), recordSize)));
}
}
private Pageable getRecordSize(int recordCount) {
if (recordCount < 1) {
recordCount = DEFAULT_RECORD_COUNT;
} else if (recordCount > MAX_RECORD_COUNT) {
recordCount = MAX_RECORD_COUNT;
}
return PageRequest.of(0, recordCount, Sort.by(TIMESTAMP).descending());
}
/**
* generate the statistics of pap component by group/subgroup.
*
*/
private Map<String, Map<String, List<PdpStatistics>>> generatePdpStatistics(List<PdpStatistics> pdpStatisticsList) {
Map<String, Map<String, List<PdpStatistics>>> groupMap = new HashMap<>();
if (pdpStatisticsList != null) {
pdpStatisticsList.stream().forEach(s -> {
String curGroup = s.getPdpGroupName();
String curSubGroup = s.getPdpSubGroupName();
groupMap.computeIfAbsent(curGroup, curGroupMap -> new HashMap<>())
.computeIfAbsent(curSubGroup, curSubGroupList -> new ArrayList<>()).add(s);
});
}
return groupMap;
}
/**
* Convert JPA PDP statistics list to an PDP statistics list.
*
* @param jpaPdpStatisticsList the list to convert
* @return the PDP statistics list
*/
private List<PdpStatistics> asPdpStatisticsList(List<JpaPdpStatistics> jpaPdpStatisticsList) {
return jpaPdpStatisticsList.stream().map(JpaPdpStatistics::toAuthorative).collect(Collectors.toList());
}
private Date convertInstantToDate(Instant instant) {
return (instant == null ? null : Date.from(instant));
}
}
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