2 * ============LICENSE_START=======================================================
3 * Copyright (C) 2021,2023 Nordix Foundation.
4 * ================================================================================
5 * Licensed under the Apache License, Version 2.0 (the "License");
6 * you may not use this file except in compliance with the License.
7 * You may obtain a copy of the License at
9 * http://www.apache.org/licenses/LICENSE-2.0
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
17 * SPDX-License-Identifier: Apache-2.0
18 * ============LICENSE_END=========================================================
21 package org.onap.policy.models.provider.impl;
23 import java.util.Properties;
24 import javax.ws.rs.core.Response;
25 import lombok.AccessLevel;
26 import lombok.NoArgsConstructor;
27 import org.onap.policy.models.base.PfModelException;
28 import org.onap.policy.models.dao.DaoParameters;
29 import org.onap.policy.models.dao.PfDao;
30 import org.onap.policy.models.dao.PfDaoFactory;
31 import org.onap.policy.models.dao.impl.DefaultPfDao;
32 import org.onap.policy.models.provider.PolicyModelsProviderParameters;
34 @NoArgsConstructor(access = AccessLevel.PRIVATE)
35 public final class ModelsProvider {
38 * Initialise the provider.
40 * @throws PfModelException in initialisation errors
42 public static PfDao init(PolicyModelsProviderParameters parameters) throws PfModelException {
43 // Parameters for the DAO
44 final var daoParameters = new DaoParameters();
45 daoParameters.setPluginClass(DefaultPfDao.class.getName());
46 daoParameters.setPersistenceUnit(parameters.getPersistenceUnit());
49 var jdbcProperties = new Properties();
50 jdbcProperties.setProperty("javax.persistence.jdbc.driver", parameters.getDatabaseDriver());
51 jdbcProperties.setProperty("javax.persistence.jdbc.url", parameters.getDatabaseUrl());
52 jdbcProperties.setProperty("javax.persistence.jdbc.user", parameters.getDatabaseUser());
53 jdbcProperties.setProperty("javax.persistence.jdbc.password", parameters.getDatabasePassword());
54 jdbcProperties.setProperty("hibernate.dialect",
55 (parameters.getDatabaseType() == null
56 ? "org.hibernate.dialect.MariaDBDialect"
57 : parameters.getDatabaseType())); // @formatter:on
59 daoParameters.setJdbcProperties(jdbcProperties);
63 pfDao = new PfDaoFactory().createPfDao(daoParameters);
64 pfDao.init(daoParameters);
65 } catch (Exception exc) {
66 String errorMessage = "could not create Data Access Object (DAO) using url \"" + parameters.getDatabaseUrl()
67 + "\" and persistence unit \"" + parameters.getPersistenceUnit() + "\"";
72 throw new PfModelException(Response.Status.NOT_ACCEPTABLE, errorMessage, exc);