/**
* 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.activemq.broker.ft;
import java.io.PrintWriter;
import java.sql.Connection;
import java.sql.SQLException;
import java.sql.SQLFeatureNotSupportedException;
import java.util.logging.Logger;
import javax.sql.DataSource;
import org.apache.derby.jdbc.EmbeddedDataSource;
// prevent concurrent calls from attempting to create the db at the same time
// can result in "already exists in this jvm" errors
public class SyncCreateDataSource implements DataSource {
final EmbeddedDataSource delegate;
public SyncCreateDataSource(EmbeddedDataSource dataSource) {
this.delegate = dataSource;
}
@Override
public Connection getConnection() throws SQLException {
synchronized (this) {
return delegate.getConnection();
}
}
@Override
public Connection getConnection(String username, String password) throws SQLException {
synchronized (this) {
return delegate.getConnection();
}
}
@Override
public PrintWriter getLogWriter() throws SQLException {
return null;
}
@Override
public void setLogWriter(PrintWriter out) throws SQLException {
}
@Override
public int getLoginTimeout() throws SQLException {
return 0;
}
@Override
public void setLoginTimeout(int seconds) throws SQLException {
}
@Override
public <T> T unwrap(Class<T> iface) throws SQLException {
return null;
}
@Override
public boolean isWrapperFor(Class<?> iface) throws SQLException {
return false;
}
public EmbeddedDataSource getDelegate() {
return delegate;
}
public Logger getParentLogger() throws SQLFeatureNotSupportedException {
return null;
}
}