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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.ArrayList;
import java.util.List;
import java.util.Map;
import java.util.stream.Collectors;
import javax.ws.rs.core.Response;
import lombok.NonNull;
import org.onap.policy.clamp.controlloop.models.controlloop.concepts.ParticipantStatistics;
import org.onap.policy.clamp.controlloop.models.controlloop.persistence.concepts.JpaParticipantStatistics;
import org.onap.policy.common.parameters.BeanValidationResult;
import org.onap.policy.models.base.PfModelException;
import org.onap.policy.models.base.PfModelRuntimeException;
import org.onap.policy.models.base.PfTimestampKey;
import org.onap.policy.models.provider.PolicyModelsProviderParameters;
import org.onap.policy.models.provider.impl.AbstractModelsProvider;
/**
* This class provides the provision of information on participant statistics in the database to callers.
*
* @author Ramesh Murugan Iyer (ramesh.murugan.iyer@est.tech)
*/
public class ParticipantStatisticsProvider extends AbstractModelsProvider {
/**
* Create a provider for control loops statistics.
*
* @param parameters the parameters for database access
* @throws PfModelException on initiation errors
*/
public ParticipantStatisticsProvider(@NonNull PolicyModelsProviderParameters parameters) throws PfModelException {
super(parameters);
this.init();
}
/**
* Get Participant statistics.
*
* @param name the name of the participant statistics to get, null to get all stats
* @return the participant statistics found
* @throws PfModelException on errors getting participant statistics
*/
public List<ParticipantStatistics> getParticipantStatistics(final String name, final String version,
final Instant timestamp) throws PfModelException {
if (name != null && version != null && timestamp != null) {
List<ParticipantStatistics> participantStatistics = new ArrayList<>(1);
participantStatistics.add(getPfDao()
.get(JpaParticipantStatistics.class, new PfTimestampKey(name, version, timestamp)).toAuthorative());
return participantStatistics;
} else if (name != null) {
return getFilteredParticipantStatistics(name, version, timestamp, null, null,
"DESC", 0);
} else {
return asParticipantStatisticsList(getPfDao().getAll(JpaParticipantStatistics.class));
}
}
/**
* Get filtered participant statistics.
*
* @param name the participant name 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
* @return the participant statistics found
* @throws PfModelException on errors getting policies
*/
public List<ParticipantStatistics> getFilteredParticipantStatistics(final String name, final String version,
final Instant startTimeStamp, final Instant endTimeStamp, Map<String, Object> filterMap,
final String sortOrder, final int getRecordNum) {
return asParticipantStatisticsList(getPfDao().getFiltered(JpaParticipantStatistics.class, name, version,
startTimeStamp, endTimeStamp, filterMap, sortOrder, getRecordNum));
}
/**
* Creates Participant statistics.
*
* @param participantStatisticsList a specification of the CL statistics to create
* @return the participant statistics created
* @throws PfModelException on errors creating participant statistics
*/
public List<ParticipantStatistics> createParticipantStatistics(
@NonNull final List<ParticipantStatistics> participantStatisticsList) throws PfModelException {
BeanValidationResult validationResult =
new BeanValidationResult("participant statistics List", participantStatisticsList);
for (ParticipantStatistics participantStatistics : participantStatisticsList) {
JpaParticipantStatistics jpaParticipantStatistics = new JpaParticipantStatistics();
jpaParticipantStatistics.fromAuthorative(participantStatistics);
validationResult.addResult(jpaParticipantStatistics.validate("participant statistics"));
}
if (!validationResult.isValid()) {
throw new PfModelRuntimeException(Response.Status.BAD_REQUEST, validationResult.getResult());
}
for (ParticipantStatistics participantStatistics : participantStatisticsList) {
JpaParticipantStatistics jpaParticipantStatistics = new JpaParticipantStatistics();
jpaParticipantStatistics.fromAuthorative(participantStatistics);
getPfDao().create(jpaParticipantStatistics);
}
// Return the created participant statistics
List<ParticipantStatistics> participantStatistics = new ArrayList<>(participantStatisticsList.size());
for (ParticipantStatistics participantStatisticsItem : participantStatisticsList) {
JpaParticipantStatistics jpaParticipantStatistics = getPfDao().get(JpaParticipantStatistics.class,
new PfTimestampKey(participantStatisticsItem.getParticipantId().getName(),
participantStatisticsItem.getParticipantId().getVersion(),
participantStatisticsItem.getTimeStamp()));
participantStatistics.add(jpaParticipantStatistics.toAuthorative());
}
return participantStatistics;
}
/**
* Convert JPA participant statistics list to participant statistics list.
*
* @param jpaParticipantStatisticsList the list to convert
* @return the participant statistics list
*/
private List<ParticipantStatistics> asParticipantStatisticsList(
List<JpaParticipantStatistics> jpaParticipantStatisticsList) {
return jpaParticipantStatisticsList.stream().map(JpaParticipantStatistics::toAuthorative)
.collect(Collectors.toList());
}
}
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