Package org.apache.oodt.cas.workflow.repository

Source Code of org.apache.oodt.cas.workflow.repository.DataSourceWorkflowRepositoryFactory

/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements.  See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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.apache.oodt.cas.workflow.repository;

//APACHE imports
import org.apache.commons.dbcp.ConnectionFactory;
import org.apache.commons.dbcp.DriverManagerConnectionFactory;
import org.apache.commons.dbcp.PoolableConnectionFactory;
import org.apache.commons.dbcp.PoolingDataSource;
import org.apache.commons.pool.impl.GenericObjectPool;

//JDK imports
import javax.sql.DataSource;

/**
* @author mattmann
* @version $Revision$
*
* <p>
* A {@link WorkflowRepositoryFactory} that creates
* {@DataSourceWorkflowRepository} instances.
* </p>
*
*/
public class DataSourceWorkflowRepositoryFactory implements
        WorkflowRepositoryFactory {

    /* our data source */
    private DataSource dataSource = null;

    /**
     * <p>
     * Default Constructor
     * </p>.
     */
    public DataSourceWorkflowRepositoryFactory() throws Exception {
        String jdbcUrl = null, user = null, pass = null, driver = null;

        jdbcUrl = System
                .getProperty("org.apache.oodt.cas.workflow.repo.datasource.jdbc.url");
        user = System
                .getProperty("org.apache.oodt.cas.workflow.repo.datasource.jdbc.user");
        pass = System
                .getProperty("org.apache.oodt.cas.workflow.repo.datasource.jdbc.pass");
        driver = System
                .getProperty("org.apache.oodt.cas.workflow.repo.datasource.jdbc.driver");

        try {
            Class.forName(driver);
        } catch (ClassNotFoundException e) {
            throw new Exception("Cannot load driver: " + driver);
        }

        GenericObjectPool connectionPool = new GenericObjectPool(null);
        ConnectionFactory connectionFactory = new DriverManagerConnectionFactory(
                jdbcUrl, user, pass);
        PoolableConnectionFactory poolableConnectionFactory = new PoolableConnectionFactory(
                connectionFactory, connectionPool, null, null, false, true);

        dataSource = new PoolingDataSource(connectionPool);
    }

    /*
     * (non-Javadoc)
     *
     * @see org.apache.oodt.cas.workflow.repository.WorkflowRepositoryFactory#createRepository()
     */
    public WorkflowRepository createRepository() {
        return new DataSourceWorkflowRepository(dataSource);
    }

}
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