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/*-
* ============LICENSE_START=======================================================
* ONAP Policy Model
* ================================================================================
* Copyright (C) 2019-2021 Nordix Foundation.
* Modifications Copyright (C) 2020-2021 AT&T Intellectual Property. 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.models.pdp.persistence.provider;
import java.time.Instant;
import java.util.ArrayList;
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 org.onap.policy.common.parameters.BeanValidationResult;
import org.onap.policy.models.base.PfGeneratedIdKey;
import org.onap.policy.models.base.PfKey;
import org.onap.policy.models.base.PfModelException;
import org.onap.policy.models.base.PfModelRuntimeException;
import org.onap.policy.models.dao.PfDao;
import org.onap.policy.models.dao.PfFilterParameters;
import org.onap.policy.models.pdp.concepts.PdpStatistics;
import org.onap.policy.models.pdp.persistence.concepts.JpaPdpStatistics;
/**
* This class provides the provision of information on PAP concepts in the database to callers.
*
* @author Ning Xi (ning.xi@est.tech)
*/
public class PdpStatisticsProvider {
/**
* Get PDP statistics.
*
* @param dao the DAO to use to access the database
* @param name the name of the PDP statistics to get, null to get all PDPs
* @return the PDP statistics found
* @throws PfModelException on errors getting PDP statistics
*/
public List<PdpStatistics> getPdpStatistics(@NonNull final PfDao dao, final String name, final Instant timeStamp)
throws PfModelException {
if (name != null && timeStamp != null) {
return asPdpStatisticsList(dao.getByTimestamp(JpaPdpStatistics.class,
new PfGeneratedIdKey(name, PfKey.NULL_KEY_VERSION), timeStamp));
} else {
return asPdpStatisticsList(dao.getAll(JpaPdpStatistics.class));
}
}
/**
* Get PDP statistics.
*
* @param dao the DAO to use to access the database
* @param name the name of the PDP statistics to get, null to get all PDPs
* @return the PDP statistics found
* @throws PfModelException on errors getting PDP statistics
*/
public List<PdpStatistics> getPdpStatistics(@NonNull final PfDao dao, final String name)
throws PfModelException {
List<PdpStatistics> pdpStatistics = new ArrayList<>();
if (name != null) {
pdpStatistics
.add(dao.get(JpaPdpStatistics.class, new PfGeneratedIdKey(name, PfKey.NULL_KEY_VERSION))
.toAuthorative());
} else {
return asPdpStatisticsList(dao.getAll(JpaPdpStatistics.class));
}
return pdpStatistics;
}
/**
* Get filtered PDP statistics.
*
* @param dao the DAO to use to access the database
* @param name the pdpInstance name for the PDP statistics to get
* @param pdpGroupName pdpGroupName to filter statistics
* @param pdpSubGroup pdpSubGroupType name to filter statistics
* @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 PDP statistics found
* @throws PfModelException on errors getting policies
*/
public List<PdpStatistics> getFilteredPdpStatistics(@NonNull final PfDao dao, final String name,
@NonNull final String pdpGroupName, final String pdpSubGroup, final Instant startTimeStamp,
final Instant endTimeStamp, final String sortOrder, final int getRecordNum) {
Map<String, Object> filterMap = new HashMap<>();
filterMap.put("pdpGroupName", pdpGroupName);
if (pdpSubGroup != null) {
filterMap.put("pdpSubGroupName", pdpSubGroup);
}
// @formatter:off
return asPdpStatisticsList(
dao.getFiltered(JpaPdpStatistics.class,
PdpFilterParameters.builder()
.name(name)
.startTime(startTimeStamp)
.endTime(endTimeStamp)
.group(pdpGroupName)
.subGroup(pdpSubGroup)
.sortOrder(sortOrder)
.recordNum(getRecordNum)
.build()));
// @formatter:on
}
/**
* Get filtered PDP statistics.
*
* @param dao the DAO to use to access the database
* @param filterParams filter parameters
* @return the PDP statistics found
* @throws PfModelException on errors getting policies
*/
public List<PdpStatistics> getFilteredPdpStatistics(@NonNull final PfDao dao,
PdpFilterParameters filterParams) {
return asPdpStatisticsList(dao.getFiltered(JpaPdpStatistics.class, filterParams));
}
/**
* Creates PDP statistics.
*
* @param dao the DAO to use to access the database
* @param pdpStatisticsList a specification of the PDP statistics to create
* @return the PDP statistics created
* @throws PfModelException on errors creating PDP statistics
*/
public List<PdpStatistics> createPdpStatistics(@NonNull final PfDao dao,
@NonNull final List<PdpStatistics> pdpStatisticsList) throws PfModelException {
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());
}
dao.create(jpaPdpStatistics);
pdpStatistics.setGeneratedId(jpaPdpStatistics.getKey().getGeneratedId());
}
// Return the created PDP statistics
List<PdpStatistics> pdpStatistics = new ArrayList<>(pdpStatisticsList.size());
for (PdpStatistics pdpStatisticsItem : pdpStatisticsList) {
var jpaPdpStatistics =
dao.get(JpaPdpStatistics.class, new PfGeneratedIdKey(pdpStatisticsItem.getPdpInstanceId(),
PfKey.NULL_KEY_VERSION, pdpStatisticsItem.getGeneratedId()));
pdpStatistics.add(jpaPdpStatistics.toAuthorative());
}
return pdpStatistics;
}
/**
* Updates PDP statistics.
*
* @param dao the DAO to use to access the database
* @param pdpStatisticsList a specification of the PDP statistics to update
* @return the PDP statistics updated
* @throws PfModelException on errors updating PDP statistics
*/
public List<PdpStatistics> updatePdpStatistics(@NonNull final PfDao dao,
@NonNull final List<PdpStatistics> pdpStatisticsList) throws PfModelException {
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());
}
dao.update(jpaPdpStatistics);
}
// Return the created PDP statistics
List<PdpStatistics> pdpStatistics = new ArrayList<>(pdpStatisticsList.size());
for (PdpStatistics pdpStatisticsItem : pdpStatisticsList) {
var jpaPdpStatistics =
dao.get(JpaPdpStatistics.class, new PfGeneratedIdKey(pdpStatisticsItem.getPdpInstanceId(),
PfKey.NULL_KEY_VERSION, pdpStatisticsItem.getGeneratedId()));
pdpStatistics.add(jpaPdpStatistics.toAuthorative());
}
return pdpStatistics;
}
/**
* Delete a PDP statistics.
*
* @param dao the DAO to use to access the database
* @param name the name of the policy to get, null to get all PDP statistics
* @param timestamp the timeStamp of statistics to delete, null to delete all statistics record of given PDP
* @return the PDP statistics list deleted
* @throws PfModelException on errors deleting PDP statistics
*/
public List<PdpStatistics> deletePdpStatistics(@NonNull final PfDao dao, @NonNull final String name,
final Instant timestamp) {
List<PdpStatistics> pdpStatisticsListToDel = asPdpStatisticsList(dao.getFiltered(JpaPdpStatistics.class,
PfFilterParameters.builder().name(name).startTime(timestamp).endTime(timestamp).build()));
pdpStatisticsListToDel.stream().forEach(s -> dao.delete(JpaPdpStatistics.class,
new PfGeneratedIdKey(s.getPdpInstanceId(), PfKey.NULL_KEY_VERSION, s.getGeneratedId())));
return pdpStatisticsListToDel;
}
/**
* 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());
}
}
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