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/*-
* ============LICENSE_START=======================================================
* Copyright (C) 2021 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.clamp.controlloop.models.controlloop.persistence.provider;
import java.time.Instant;
import java.util.List;
import java.util.Map;
import java.util.stream.Collectors;
import javax.ws.rs.core.Response.Status;
import lombok.AllArgsConstructor;
import lombok.NonNull;
import org.onap.policy.clamp.controlloop.models.controlloop.concepts.ClElementStatistics;
import org.onap.policy.clamp.controlloop.models.controlloop.persistence.concepts.JpaClElementStatistics;
import org.onap.policy.clamp.controlloop.models.controlloop.persistence.repository.ClElementStatisticsRepository;
import org.onap.policy.models.base.PfModelException;
import org.onap.policy.models.base.PfReferenceTimestampKey;
import org.onap.policy.models.dao.PfFilterParameters;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
/**
* This class provides the provision of information on control loop element statistics in the database to callers.
*
* @author Ramesh Murugan Iyer (ramesh.murugan.iyer@est.tech)
*/
@Service
@Transactional
@AllArgsConstructor
public class ClElementStatisticsProvider {
private ClElementStatisticsRepository clElementStatisticsRepository;
/**
* Creates control loop element statistics.
*
* @param clElementStatisticsList a specification of the CL element statistics to create
* @return the clElement statistics created
* @throws PfModelException on initiation errors
*/
public List<ClElementStatistics> createClElementStatistics(
@NonNull final List<ClElementStatistics> clElementStatisticsList) throws PfModelException {
try {
var jpaClElementStatisticsList = ProviderUtils.getJpaAndValidateList(clElementStatisticsList,
JpaClElementStatistics::new, "control loop element statistics");
var jpaClElementStatisticsSaved = clElementStatisticsRepository.saveAll(jpaClElementStatisticsList);
// Return the saved control loop element statistics
return asClElementStatisticsList(jpaClElementStatisticsSaved);
} catch (IllegalArgumentException e) {
throw new PfModelException(Status.BAD_REQUEST, "Error in save control loop element statistics", e);
}
}
/**
* Convert JPA clElement statistics list to clElement statistics list.
*
* @param jpaClElementStatistics the list to convert
* @return the clElement statistics list
*/
private List<ClElementStatistics> asClElementStatisticsList(List<JpaClElementStatistics> jpaClElementStatistics) {
return jpaClElementStatistics.stream().map(JpaClElementStatistics::toAuthorative).collect(Collectors.toList());
}
/**
* Get clElement statistics.
*
* @param name the name of the participant
* @param version version of the participant
* @param id of the control loop element
* @param timestamp timestamp of the statistics
* @return the clElement statistics found
*/
@Transactional(readOnly = true)
public List<ClElementStatistics> getClElementStatistics(final String name, final String version, final String id,
final Instant timestamp) {
if (name != null && version != null && timestamp != null && id != null) {
return asClElementStatisticsList(clElementStatisticsRepository
.findAllById(List.of(new PfReferenceTimestampKey(name, version, id, timestamp))));
} else if (name != null) {
return getFilteredClElementStatistics(name, version, null, null, null, "DESC", 0);
}
return asClElementStatisticsList(clElementStatisticsRepository.findAll());
}
/**
* Get filtered clElement statistics.
*
* @param name the clElement name for the statistics to get
* @param version the clElement version for the statistics to get
* @param startTimeStamp startTimeStamp to filter statistics
* @param endTimeStamp endTimeStamp to filter statistics
* @param sortOrder sortOrder to query database
* @param getRecordNum Total query count from database
* @param filterMap the filters to apply to the get operation
* @return the clElement statistics found
*/
@Transactional(readOnly = true)
public List<ClElementStatistics> getFilteredClElementStatistics(final String name, final String version,
final Instant startTimeStamp, final Instant endTimeStamp, Map<String, Object> filterMap,
final String sortOrder, final int getRecordNum) {
// @formatter:off
PfFilterParameters filterParams = PfFilterParameters
.builder()
.name(name)
.version(version)
.startTime(startTimeStamp)
.endTime(endTimeStamp)
.filterMap(filterMap)
.sortOrder(sortOrder)
.recordNum(getRecordNum)
.build();
// @formatter:on
return asClElementStatisticsList(
clElementStatisticsRepository.getFiltered(JpaClElementStatistics.class, filterParams));
}
}
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