+/*
+ * Copyright 2005-2010 the original author or authors.
+ *
+ * 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.wamblee.support.persistence;
+import java.util.logging.Level;
+import java.util.logging.Logger;
+
import javax.sql.DataSource;
import org.apache.commons.dbcp.ConnectionFactory;
import org.apache.commons.pool.impl.GenericObjectPool;
public abstract class AbstractDatabase implements Database {
+
+ private static final Logger LOGGER = Logger
+ .getLogger(AbstractDatabase.class.getName());
+
private static final int CONNECTION_POOL_SIZE = 16;
private DataSource itsDataSource;
+ private GenericObjectPool connectionPool;
+
private boolean started;
protected AbstractDatabase() {
* This method must be called from the start method.
*/
protected final void createDataSource() {
- GenericObjectPool connectionPool = new GenericObjectPool(null);
+ connectionPool = new GenericObjectPool(null);
connectionPool.setMaxActive(CONNECTION_POOL_SIZE);
ConnectionFactory connectionFactory = new DriverManagerConnectionFactory(
getJdbcUrl(), getUsername(), getPassword());
// constructed object at the connection pool.
PoolableConnectionFactory poolableConnectionFactory = new PoolableConnectionFactory(
connectionFactory, connectionPool, null, null, false, true);
+ ingoredVariable(poolableConnectionFactory);
itsDataSource = new PoolingDataSource(connectionPool);
}
+ private static void ingoredVariable(PoolableConnectionFactory aFactory) {
+ // Empty
+ }
+
// / BELOW THIS LINE IS NOT OF INTEREST TO SUBCLASSES.
public final DataSource start() {
return; // nothing to do.
}
started = false;
+ try {
+ connectionPool.close();
+ connectionPool.close();
+ } catch (Exception e) {
+ LOGGER.log(Level.WARNING, "Could not close pool", e);
+ }
doStop();
}