HibernateJPAVendorAdapter.java

/*
 * Copyright (c) 2013, WSO2 Inc. (http://www.wso2.org) 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.
 */

package org.wso2.carbon.bpel.b4p.coordination.dao.jpa.hibernate;

import org.wso2.carbon.bpel.b4p.coordination.dao.DatabaseType;
import org.wso2.carbon.bpel.b4p.coordination.dao.jpa.AbstractJPAVendorAdapter;

import java.util.HashMap;
import java.util.Map;
import javax.transaction.TransactionManager;

/**
 * Not supported.
 */
@Deprecated
public class HibernateJPAVendorAdapter extends AbstractJPAVendorAdapter {

    @Override
    public Map<String, ?> getJpaPropertyMap(TransactionManager transactionManager) {
        Map<String, Object> jpaProperties = new HashMap<String, Object>();

        if (getDataSource() != null) {
            jpaProperties.put("hibernate.connection.datasource", getDataSource());
            String dialect = determineDbDialect();
            if (dialect != null) {
                log.info("[B4P Hibernate] DB Dialect: " + dialect);
                jpaProperties.put("hibernate.dialect", dialect);
            }
        }

        if (isGenerateDDL()) {
            log.info("[B4P Hibernate] Generate DDL Enabled.");
            jpaProperties.put("hibernate.hbm2ddl.auto", "update");
        }

        if (isShowSQL()) {
            log.info("[B4P Hibernate] Show SQL enabled.");
            jpaProperties.put("hibernate.show_sql", "true");
        }

        jpaProperties.put("hibernate.cache.provider_class", "org.hibernate.cache.NoCacheProvider");
        jpaProperties.put("hibernate.cache.use_query_cache", "false");
        jpaProperties.put("hibernate.cache.use_second_level_cache", "false");

        return jpaProperties;
    }


    protected String determineDbDialect() {
        DatabaseType dbType = determineDbType();
        switch (dbType) {
            case DB2:
                return "org.hibernate.dialect.DB2Dialect";
            case DERBY:
                return "org.hibernate.dialect.DerbyDialect";
            case H2:
                return "org.hibernate.dialect.H2Dialect";
            case HSQL:
                return "org.hibernate.dialect.HSQLDialect";
            case INFORMIX:
                return "org.hibernate.dialect.InformixDialect";
            case MYSQL:
                return "org.hibernate.dialect.MySQLDialect";
            case ORACLE:
                return "org.hibernate.dialect.OracleDialect";
            case POSTGRESQL:
                return "org.hibernate.dialect.PostgreSQLDialect";
            case SQL_SERVER:
                return "org.hibernate.dialect.SQLServerDialect";
            case SYBASE:
                return "org.hibernate.dialect.SybaseASE15Dialect";
            default:
                return null;
        }
    }

}