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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.Collections;
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.ControlLoop;
import org.onap.policy.clamp.controlloop.models.controlloop.persistence.concepts.JpaControlLoop;
import org.onap.policy.common.parameters.BeanValidationResult;
import org.onap.policy.models.base.PfAuthorative;
import org.onap.policy.models.base.PfConceptKey;
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.provider.PolicyModelsProviderParameters;
import org.onap.policy.models.provider.impl.AbstractModelsProvider;
import org.onap.policy.models.tosca.authorative.concepts.ToscaConceptIdentifier;
import org.onap.policy.models.tosca.authorative.concepts.ToscaEntity;
import org.onap.policy.models.tosca.authorative.concepts.ToscaNodeTemplate;
import org.onap.policy.models.tosca.authorative.concepts.ToscaTypedEntityFilter;
import org.onap.policy.models.tosca.simple.concepts.JpaToscaNodeTemplate;
/**
* This class provides information on control loop concepts in the database to callers.
*/
public class ControlLoopProvider extends AbstractModelsProvider {
/**
* Create a provider for control loops.
*
* @param parameters the parameters for database access
* @throws PfModelException on initiation errors
*/
public ControlLoopProvider(@NonNull PolicyModelsProviderParameters parameters) throws PfModelException {
super(parameters);
this.init();
}
/**
* Get Control Loop.
*
* @param controlLoopId the ID of the control loop to get
* @return the control loop found
* @throws PfModelException on errors getting the control loop
*/
public ControlLoop getControlLoop(final ToscaConceptIdentifier controlLoopId) throws PfModelException {
JpaControlLoop jpaControlLoop = getPfDao().get(JpaControlLoop.class, controlLoopId.asConceptKey());
return jpaControlLoop == null ? null : jpaControlLoop.toAuthorative();
}
/**
* Update Control Loop.
*
* @param controlLoop the control loop to update
* @return the updated control loop
* @throws PfModelException on errors updating the control loop
*/
public ControlLoop updateControlLoop(final ControlLoop controlLoop) throws PfModelException {
return updateControlLoops(Collections.singletonList(controlLoop)).get(0);
}
/**
* Get Control Loops.
*
* @param name the name of the control loop to get, null to get all control loops
* @param version the version of the control loop to get, null to get all control loops
* @return the control loops found
* @throws PfModelException on errors getting control loops
*/
public List<ControlLoop> getControlLoops(final String name, final String version) throws PfModelException {
return asEntityList(getPfDao().getFiltered(JpaControlLoop.class, name, version));
}
/**
* Get filtered control loops.
*
* @param filter the filter for the control loops to get
* @return the control loops found
* @throws PfModelException on errors getting control loops
*/
public List<ControlLoop> getFilteredControlLoops(@NonNull final ToscaTypedEntityFilter<ControlLoop> filter) {
return filter.filter(
asEntityList(getPfDao().getFiltered(JpaControlLoop.class, filter.getName(), PfKey.NULL_KEY_VERSION)));
}
/**
* Creates control loops.
*
* @param controlLoops a specification of the control loops to create
* @return the control loops created
* @throws PfModelException on errors creating control loops
*/
public List<ControlLoop> createControlLoops(@NonNull final List<ControlLoop> controlLoops) throws PfModelException {
BeanValidationResult validationResult = new BeanValidationResult("control loops", controlLoops);
for (ControlLoop controlLoop : controlLoops) {
JpaControlLoop jpaControlLoop = new JpaControlLoop();
jpaControlLoop.fromAuthorative(controlLoop);
validationResult.addResult(jpaControlLoop.validate("control loop"));
}
if (!validationResult.isValid()) {
throw new PfModelRuntimeException(Response.Status.BAD_REQUEST, validationResult.getResult());
}
for (ControlLoop controlLoop : controlLoops) {
JpaControlLoop jpaControlLoop = new JpaControlLoop();
jpaControlLoop.fromAuthorative(controlLoop);
getPfDao().create(jpaControlLoop);
}
// Return the created control loops
List<ControlLoop> returnControlLoops = new ArrayList<>(controlLoops.size());
for (ControlLoop controlLoop : controlLoops) {
JpaControlLoop jpaControlLoop = getPfDao().get(JpaControlLoop.class,
new PfConceptKey(controlLoop.getName(), controlLoop.getVersion()));
returnControlLoops.add(jpaControlLoop.toAuthorative());
}
return returnControlLoops;
}
/**
* Updates control loops.
*
* @param controlLoops a specification of the control loops to update
* @return the control loops updated
* @throws PfModelException on errors updating control loops
*/
public List<ControlLoop> updateControlLoops(@NonNull final List<ControlLoop> controlLoops) throws PfModelException {
BeanValidationResult validationResult = new BeanValidationResult("control loops", controlLoops);
for (ControlLoop controlLoop : controlLoops) {
JpaControlLoop jpaControlLoop = new JpaControlLoop();
jpaControlLoop.fromAuthorative(controlLoop);
validationResult.addResult(jpaControlLoop.validate("control loop"));
}
if (!validationResult.isValid()) {
throw new PfModelRuntimeException(Response.Status.BAD_REQUEST, validationResult.getResult());
}
// Return the created control loops
List<ControlLoop> returnControlLoops = new ArrayList<>(controlLoops.size());
for (ControlLoop controlLoop : controlLoops) {
JpaControlLoop jpaControlLoop = new JpaControlLoop();
jpaControlLoop.fromAuthorative(controlLoop);
JpaControlLoop returnJpaControlLoop = getPfDao().update(jpaControlLoop);
returnControlLoops.add(returnJpaControlLoop.toAuthorative());
}
return returnControlLoops;
}
/**
* Delete a control loop.
*
* @param name the name of the control loop to delete
* @param version the version of the control loop to delete
* @return the control loop deleted
* @throws PfModelException on errors deleting the control loop
*/
public ControlLoop deleteControlLoop(@NonNull final String name, @NonNull final String version) {
PfConceptKey controlLoopKey = new PfConceptKey(name, version);
JpaControlLoop jpaDeleteControlLoop = getPfDao().get(JpaControlLoop.class, controlLoopKey);
if (jpaDeleteControlLoop == null) {
String errorMessage =
"delete of control loop \"" + controlLoopKey.getId() + "\" failed, control loop does not exist";
throw new PfModelRuntimeException(Response.Status.BAD_REQUEST, errorMessage);
}
getPfDao().delete(jpaDeleteControlLoop);
return jpaDeleteControlLoop.toAuthorative();
}
/**
* Get Node Templates.
*
* @param name the name of the node template to get, null to get all node templates
* @param version the version of the node template to get, null to get all node templates
* @return the node templates found
* @throws PfModelException on errors getting node templates
*/
public List<ToscaNodeTemplate> getNodeTemplates(final String name, final String version) {
return asEntityList(getPfDao().getFiltered(JpaToscaNodeTemplate.class, name, version));
}
/**
* Get filtered node templates.
*
* @param filter the filter for the node templates to get
* @return the node templates found
* @throws PfModelException on errors getting node templates
*/
public List<ToscaNodeTemplate> getFilteredNodeTemplates(
@NonNull final ToscaTypedEntityFilter<ToscaNodeTemplate> filter) {
return filter.filter(asEntityList(
getPfDao().getFiltered(JpaToscaNodeTemplate.class, filter.getName(), filter.getVersion())));
}
/**
* Convert JPA control loop list to an authorative control loop list.
*
* @param jpaEntityList the list to convert
* @return the authorative list
*/
private <T extends ToscaEntity, J extends PfAuthorative<T>> List<T> asEntityList(List<J> jpaEntityList) {
return jpaEntityList.stream().map(J::toAuthorative).collect(Collectors.toList());
}
}
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