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/*-
* ============LICENSE_START=======================================================
* Copyright (C) 2019 Nordix Foundation.
* Modifications Copyright (C) 2019, 2021 AT&T Intellectual Property.
* Modifications Copyright (C) 2021-2022 Bell Canada. 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.pap.main.startstop;
import java.util.List;
import javax.annotation.PostConstruct;
import org.onap.policy.common.parameters.ValidationResult;
import org.onap.policy.common.utils.coder.CoderException;
import org.onap.policy.common.utils.coder.StandardCoder;
import org.onap.policy.common.utils.resources.ResourceUtils;
import org.onap.policy.models.pdp.concepts.PdpGroup;
import org.onap.policy.models.pdp.concepts.PdpGroups;
import org.onap.policy.pap.main.PolicyPapException;
import org.onap.policy.pap.main.service.PdpGroupService;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;
import org.springframework.stereotype.Component;
/**
* This class creates initial PdpGroup/SubGroup in the database.
*
* @author Ram Krishna Verma (ram.krishna.verma@est.tech)
*/
@Component
@ConditionalOnProperty(value = "db.initialize", havingValue = "true", matchIfMissing = true)
public class PapDatabaseInitializer {
private static final Logger LOGGER = LoggerFactory.getLogger(PapDatabaseInitializer.class);
private final StandardCoder standardCoder;
@Autowired
private PdpGroupService pdpGroupService;
@Value("${group-config-file:PapDb.json}")
private String groupConfigFile;
/**
* Constructs the object.
*/
public PapDatabaseInitializer() {
standardCoder = new StandardCoder();
}
/**
* Initializes database with group information.
*
* @param groupsJson the group file path
* @throws PolicyPapException in case of errors.
*/
private void initializePapDatabase(String groupsJson) throws PolicyPapException {
try {
final var originalJson = ResourceUtils.getResourceAsString(groupsJson);
final var pdpGroupsToCreate = standardCoder.decode(originalJson, PdpGroups.class);
final List<PdpGroup> pdpGroupsFromDb =
pdpGroupService.getPdpGroups(pdpGroupsToCreate.getGroups().get(0).getName());
if (pdpGroupsFromDb.isEmpty()) {
ValidationResult result = pdpGroupsToCreate.validatePapRest();
if (!result.isValid()) {
throw new PolicyPapException(result.getResult());
}
pdpGroupService.createPdpGroups(pdpGroupsToCreate.getGroups());
LOGGER.info("Created initial pdpGroup in DB - {} from {}", pdpGroupsToCreate, groupsJson);
} else {
LOGGER.info("Initial pdpGroup already exists in DB, skipping create - {} from {}", pdpGroupsFromDb,
groupsJson);
}
} catch (final CoderException | RuntimeException exp) {
throw new PolicyPapException(exp);
}
}
/**
* Initializes database with group information.
*/
@PostConstruct
public void loadData() throws PolicyPapException {
initializePapDatabase(groupConfigFile);
}
}
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