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/*
*
* Derby - Class org.apache.derbyTesting.functionTests.util.BaseJDBCTestSetup
*
* 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.derbyTesting.junit;
import java.sql.*;
import junit.framework.Test;
/**
* Base class for JDBC JUnit test decorators.
*/
public abstract class BaseJDBCTestSetup
extends BaseTestSetup {
public BaseJDBCTestSetup(Test test) {
super(test);
}
/**
* Maintain a single connection to the default
* database, opened at the first call to getConnection.
* Typical setup will just require a single connection.
* @see BaseJDBCTestSetup#getConnection()
*/
private Connection conn;
/**
* Return the current configuration for the test.
*/
public final TestConfiguration getTestConfiguration()
{
return TestConfiguration.getCurrent();
}
/**
* Obtain the connection to the default database.
* This class maintains a single connection returned
* by this class, it is opened on the first call to
* this method. Subsequent calls will return the same
* connection object unless it has been closed. In that
* case a new connection object will be returned.
* <P>
* The tearDown method will close the connection if
* it is open.
* @see TestConfiguration#openDefaultConnection()
*/
public final Connection getConnection() throws SQLException
{
if (conn != null)
{
if (!conn.isClosed())
return conn;
conn = null;
}
return conn = getTestConfiguration().openDefaultConnection();
}
/**
* Print debug string.
* @param text String to print
*/
public void println(final String text) {
if (getTestConfiguration().isVerbose()) {
System.out.println("DEBUG: " + text);
}
}
/**
* Tear down this fixture, sub-classes should call
* super.tearDown(). This cleans up and closes the connection
* if it is open.
*/
protected void tearDown()
throws java.lang.Exception
{
clearConnection();
}
/**
* Close the default connection and null out the reference to it.
* Typically only called from {@code tearDown()}.
*/
void clearConnection() throws SQLException {
JDBC.cleanup(conn);
conn = null;
}
}
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