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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.ClElementStatistics;
import org.onap.policy.clamp.controlloop.models.controlloop.persistence.concepts.JpaClElementStatistics;
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.PfReferenceTimestampKey;
import org.onap.policy.models.provider.PolicyModelsProviderParameters;
import org.onap.policy.models.provider.impl.AbstractModelsProvider;
/**
* 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)
*/
public class ClElementStatisticsProvider extends AbstractModelsProvider {
/**
* Create a provider for control loop element statistics.
*
* @param parameters the parameters for database access
* @throws PfModelException on initiation errors
*/
public ClElementStatisticsProvider(@NonNull PolicyModelsProviderParameters parameters) throws PfModelException {
super(parameters);
this.init();
}
/**
* Creates control loop element statistics.
*
* @param clElementStatisticsList a specification of the CL element statistics to create
* @return the clElement statistics created
* @throws PfModelException on errors creating clElement statistics
*/
public List<ClElementStatistics> createClElementStatistics(
@NonNull final List<ClElementStatistics> clElementStatisticsList) throws PfModelException {
BeanValidationResult validationResult =
new BeanValidationResult("control loop element statistics list", clElementStatisticsList);
for (ClElementStatistics clElementStatistics : clElementStatisticsList) {
JpaClElementStatistics jpaClElementStatistics = new JpaClElementStatistics();
jpaClElementStatistics.fromAuthorative(clElementStatistics);
validationResult.addResult(jpaClElementStatistics.validate("control loop element statistics"));
}
if (!validationResult.isValid()) {
throw new PfModelRuntimeException(Response.Status.BAD_REQUEST, validationResult.getResult());
}
for (ClElementStatistics clElementStatistics : clElementStatisticsList) {
JpaClElementStatistics jpaClElementStatistics = new JpaClElementStatistics();
jpaClElementStatistics.fromAuthorative(clElementStatistics);
getPfDao().create(jpaClElementStatistics);
}
// Return the created control loop element statistics
List<ClElementStatistics> elementStatistics = new ArrayList<>(clElementStatisticsList.size());
for (ClElementStatistics clElementStat : clElementStatisticsList) {
JpaClElementStatistics jpaClElementStatistics = getPfDao().get(JpaClElementStatistics.class,
new PfReferenceTimestampKey(clElementStat.getParticipantId().getName(),
clElementStat.getParticipantId().getVersion(), clElementStat.getId().toString(),
clElementStat.getTimeStamp()));
elementStatistics.add(jpaClElementStatistics.toAuthorative());
}
return elementStatistics;
}
/**
* 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
* @throws PfModelException on errors getting clElement statistics
*/
public List<ClElementStatistics> getClElementStatistics(final String name, final String version, final String id,
final Instant timestamp) throws PfModelException {
List<ClElementStatistics> clElementStatistics = new ArrayList<>(1);
if (name != null && version != null && timestamp != null && id != null) {
clElementStatistics.add(getPfDao()
.get(JpaClElementStatistics.class, new PfReferenceTimestampKey(name, version, id, timestamp))
.toAuthorative());
return clElementStatistics;
} else if (name != null) {
clElementStatistics.addAll(getFilteredClElementStatistics(name, version, null, null, null,
"DESC", 0));
} else {
clElementStatistics.addAll(asClElementStatisticsList(getPfDao().getAll(JpaClElementStatistics.class)));
}
return clElementStatistics;
}
/**
* Get filtered clElement statistics.
*
* @param name the clElement 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 clElement statistics found
* @throws PfModelException on errors getting policies
*/
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) {
return asClElementStatisticsList(getPfDao().getFiltered(JpaClElementStatistics.class, name, version,
startTimeStamp, endTimeStamp, filterMap, sortOrder, getRecordNum));
}
}
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