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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.util.ArrayList;
import java.util.List;
import java.util.stream.Collectors;
import javax.ws.rs.core.Response;
import lombok.NonNull;
import org.onap.policy.clamp.controlloop.models.controlloop.concepts.Participant;
import org.onap.policy.clamp.controlloop.models.controlloop.persistence.concepts.JpaParticipant;
import org.onap.policy.common.parameters.BeanValidationResult;
import org.onap.policy.models.base.PfConceptKey;
import org.onap.policy.models.base.PfModelException;
import org.onap.policy.models.base.PfModelRuntimeException;
import org.onap.policy.models.provider.PolicyModelsProviderParameters;
import org.onap.policy.models.provider.impl.AbstractModelsProvider;
import org.onap.policy.models.tosca.authorative.concepts.ToscaTypedEntityFilter;
/**
* This class provides information on participant concepts in the database to callers.
*/
public class ParticipantProvider extends AbstractModelsProvider {
/**
* Create a provider for participants.
*
* @param parameters the parameters for database access
* @throws PfModelException on initiation errors
*/
public ParticipantProvider(@NonNull PolicyModelsProviderParameters parameters) throws PfModelException {
super(parameters);
this.init();
}
/**
* Get participants.
*
* @param name the name of the participant to get, null to get all participants
* @param version the version of the participant to get, null to get all participants
* @return the participants found
* @throws PfModelException on errors getting participants
*/
public List<Participant> getParticipants(final String name, final String version) throws PfModelException {
return asParticipantList(getPfDao().getFiltered(JpaParticipant.class, name, version));
}
/**
* Get filtered participants.
*
* @param filter the filter for the participants to get
* @return the participants found
* @throws PfModelException on errors getting policies
*/
public List<Participant> getFilteredParticipants(@NonNull final ToscaTypedEntityFilter<Participant> filter) {
return filter.filter(asParticipantList(
getPfDao().getFiltered(JpaParticipant.class, filter.getName(), filter.getVersion())));
}
/**
* Creates participants.
*
* @param participants a specification of the participants to create
* @return the participants created
* @throws PfModelException on errors creating participants
*/
public List<Participant> createParticipants(@NonNull final List<Participant> participants) throws PfModelException {
BeanValidationResult validationResult = new BeanValidationResult("participants", participants);
for (Participant participant : participants) {
JpaParticipant jpaParticipant = new JpaParticipant();
jpaParticipant.fromAuthorative(participant);
validationResult.addResult(jpaParticipant.validate("participant"));
}
if (!validationResult.isValid()) {
throw new PfModelRuntimeException(Response.Status.BAD_REQUEST, validationResult.getResult());
}
for (Participant participant : participants) {
JpaParticipant jpaParticipant = new JpaParticipant();
jpaParticipant.fromAuthorative(participant);
getPfDao().create(jpaParticipant);
}
// Return the created participants
List<Participant> returnParticipants = new ArrayList<>(participants.size());
for (Participant participant : participants) {
JpaParticipant jpaParticipant = getPfDao().get(JpaParticipant.class,
new PfConceptKey(participant.getName(), participant.getVersion()));
returnParticipants.add(jpaParticipant.toAuthorative());
}
return returnParticipants;
}
/**
* Updates participants.
*
* @param participants a specification of the participants to update
* @return the participants updated
* @throws PfModelException on errors updating participants
*/
public List<Participant> updateParticipants(@NonNull final List<Participant> participants) throws PfModelException {
BeanValidationResult validationResult = new BeanValidationResult("participants", participants);
for (Participant participant : participants) {
JpaParticipant jpaParticipant = new JpaParticipant();
jpaParticipant.fromAuthorative(participant);
validationResult.addResult(jpaParticipant.validate("participant"));
}
if (!validationResult.isValid()) {
throw new PfModelRuntimeException(Response.Status.BAD_REQUEST, validationResult.getResult());
}
for (Participant participant : participants) {
JpaParticipant jpaParticipant = new JpaParticipant();
jpaParticipant.fromAuthorative(participant);
getPfDao().update(jpaParticipant);
}
// Return the created participants
List<Participant> returnParticipants = new ArrayList<>(participants.size());
for (Participant participant : participants) {
JpaParticipant jpaParticipant = getPfDao().get(JpaParticipant.class,
new PfConceptKey(participant.getName(), participant.getVersion()));
returnParticipants.add(jpaParticipant.toAuthorative());
}
return returnParticipants;
}
/**
* Delete a participant.
*
* @param name the name of the participant to delete
* @param version the version of the participant to get
* @return the participant deleted
* @throws PfModelException on errors deleting participants
*/
public Participant deleteParticipant(@NonNull final String name, @NonNull final String version) {
PfConceptKey participantKey = new PfConceptKey(name, version);
JpaParticipant jpaDeleteParticipant = getPfDao().get(JpaParticipant.class, participantKey);
if (jpaDeleteParticipant == null) {
String errorMessage =
"delete of participant \"" + participantKey.getId() + "\" failed, participant does not exist";
throw new PfModelRuntimeException(Response.Status.BAD_REQUEST, errorMessage);
}
getPfDao().delete(jpaDeleteParticipant);
return jpaDeleteParticipant.toAuthorative();
}
/**
* Convert JPA participant list to an authorative participant list.
*
* @param foundParticipants the list to convert
* @return the authorative list
*/
private List<Participant> asParticipantList(List<JpaParticipant> jpaParticipantList) {
return jpaParticipantList.stream().map(JpaParticipant::toAuthorative).collect(Collectors.toList());
}
}
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