org.jumpmind.db.util.ResettableBasicDataSource.java Source code

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/**
 * Licensed to JumpMind Inc under one or more contributor
 * license agreements.  See the NOTICE file distributed
 * with this work for additional information regarding
 * copyright ownership.  JumpMind Inc licenses this file
 * to you under the GNU General Public License, version 3.0 (GPLv3)
 * (the "License"); you may not use this file except in compliance
 * with the License.
 *
 * You should have received a copy of the GNU General Public License,
 * version 3.0 (GPLv3) along with this library; if not, see
 * <http://www.gnu.org/licenses/>.
 *
 * 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.jumpmind.db.util;

import java.sql.SQLException;

import org.apache.commons.dbcp.AbandonedConfig;
import org.apache.commons.dbcp.BasicDataSource;
import org.apache.commons.dbcp.ConnectionFactory;
import org.apache.commons.dbcp.PoolableConnectionFactory;
import org.apache.commons.dbcp.SQLNestedException;
import org.apache.commons.pool.KeyedObjectPoolFactory;

/**
 * A subclass of {@link BasicDataSource} which allows for a data source to be
 * closed (all underlying connections are closed) and then allows new
 * connections to be created.
 */
@SuppressWarnings("deprecation")
public class ResettableBasicDataSource extends BasicDataSource {

    public ResettableBasicDataSource() {
        setAccessToUnderlyingConnectionAllowed(true);
    }

    @Override
    public synchronized void close() {
        try {
            try {
                super.close();
            } catch (SQLException e) {
            }
        } finally {
            closed = false;
        }

    }

    @Override
    protected void createPoolableConnectionFactory(ConnectionFactory driverConnectionFactory,
            KeyedObjectPoolFactory statementPoolFactory, AbandonedConfig configuration) throws SQLException {
        PoolableConnectionFactory connectionFactory = null;
        try {
            connectionFactory = new PoolableConnectionFactory(driverConnectionFactory, connectionPool,
                    statementPoolFactory, validationQuery, validationQueryTimeout, connectionInitSqls,
                    defaultReadOnly, defaultAutoCommit, defaultTransactionIsolation, defaultCatalog, configuration);
            validateConnectionFactory(connectionFactory);
        } catch (Exception e) {
            try {
                connectionPool.close();
            } catch (Exception e1) {
            }
            throw new SQLNestedException("Cannot create PoolableConnectionFactory (" + e.getMessage() + ")", e);
        }
    }

}