org.apache.calcite.test.ConnectionFactory Maven / Gradle / Ivy
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* 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,
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* See the License for the specific language governing permissions and
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*/
package org.apache.calcite.test;
import org.apache.calcite.avatica.ConnectionProperty;
import java.sql.Connection;
import java.sql.SQLException;
/**
* Creates JDBC connections for tests.
*
* The base class is abstract, and all of the {@code with} methods throw.
*
*
Avoid creating new sub-classes otherwise it would be hard to support
* {@code .with(property, value).with(...)} kind of chains.
*
*
If you want augment the connection, use
* {@link CalciteAssert.ConnectionPostProcessor}.
*
* @see ConnectionFactories
*/
public interface ConnectionFactory {
Connection createConnection() throws SQLException;
default ConnectionFactory with(String property, Object value) {
throw new UnsupportedOperationException();
}
default ConnectionFactory with(ConnectionProperty property, Object value) {
throw new UnsupportedOperationException();
}
default ConnectionFactory with(CalciteAssert.ConnectionPostProcessor postProcessor) {
throw new UnsupportedOperationException();
}
}