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/*
* ============LICENSE_START=======================================================
* ONAP PAP
* ================================================================================
* Copyright (C) 2019 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.
* ============LICENSE_END=========================================================
*/
package org.onap.policy.pap.main.rest.depundep;
import java.util.function.BiFunction;
import javax.ws.rs.core.Response;
import org.apache.commons.lang3.tuple.Pair;
import org.onap.policy.models.base.PfModelException;
import org.onap.policy.models.pap.concepts.PdpGroupDeleteResponse;
import org.onap.policy.models.pdp.concepts.PdpGroup;
import org.onap.policy.models.pdp.concepts.PdpSubGroup;
import org.onap.policy.models.tosca.authorative.concepts.ToscaPolicy;
import org.onap.policy.models.tosca.authorative.concepts.ToscaPolicyIdentifier;
import org.onap.policy.models.tosca.authorative.concepts.ToscaPolicyIdentifierOptVersion;
import org.onap.policy.pap.main.PolicyPapRuntimeException;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* Provider for PAP component to delete PDP groups.
*/
public class PdpGroupDeleteProvider extends ProviderBase<PdpGroupDeleteResponse> {
private static final Logger logger = LoggerFactory.getLogger(PdpGroupDeleteProvider.class);
/**
* Constructs the object.
*/
public PdpGroupDeleteProvider() {
super();
}
/**
* Deletes a PDP group.
*
* @param groupName name of the PDP group to be deleted
* @param version group version to delete; may be {@code null} if the group has only
* one version
* @return a pair containing the status and the response
*/
public Pair<Response.Status, PdpGroupDeleteResponse> deleteGroup(String groupName, String version) {
PdpGroupDeleteResponse resp = new PdpGroupDeleteResponse();
resp.setErrorDetails("not implemented yet");
return Pair.of(Response.Status.INTERNAL_SERVER_ERROR, resp);
}
/**
* Deletes a PDP policy.
*
* @param policyIdent identifier of the policy to be undeployed
* @return a pair containing the status and the response
*/
public Pair<Response.Status, PdpGroupDeleteResponse> undeploy(ToscaPolicyIdentifierOptVersion policyIdent) {
return process(policyIdent, this::deletePolicy);
}
/**
* Deletes a policy from its groups.
*
* @param data session data
* @param ident identifier of the policy to be deleted
*/
private void deletePolicy(SessionData data, ToscaPolicyIdentifierOptVersion ident) {
try {
processPolicy(data, ident);
} catch (PfModelException e) {
// no need to log the error here, as it will be logged by the invoker
logger.warn("failed to deploy policy: {}", ident);
throw new PolicyPapRuntimeException(DB_ERROR_MSG, e);
} catch (RuntimeException e) {
// no need to log the error here, as it will be logged by the invoker
logger.warn("failed to deploy policy: {}", ident);
throw e;
}
}
@Override
public PdpGroupDeleteResponse makeResponse(String errorMsg) {
PdpGroupDeleteResponse resp = new PdpGroupDeleteResponse();
resp.setErrorDetails(errorMsg);
return resp;
}
@Override
protected BiFunction<PdpGroup, PdpSubGroup, Boolean> makeUpdater(ToscaPolicy policy) {
ToscaPolicyIdentifier desiredIdent = policy.getIdentifier();
return (group, subgroup) -> {
// remove the policy from the subgroup
return subgroup.getPolicies().remove(desiredIdent);
};
}
}
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