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Jodd DB is efficient and thin database facade; DbOom is convenient database object mapper.

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// Copyright (c) 2003-present, Jodd Team (http://jodd.org)
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
// 1. Redistributions of source code must retain the above copyright notice,
// this list of conditions and the following disclaimer.
//
// 2. Redistributions in binary form must reproduce the above copyright
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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package jodd.db;

/**
 * Provide {@link DbSession} when requested by {@link DbQuery}.
 * Important: DbSessionProvider implementations
 * should NOT create new db sessions! DbSession should
 * be already created and somehow assigned to DbSessionProvider
 * implementation. User must control session opening and closing,
 * and not DbSessionProvider, as we can not figure
 * weather connection should be closed after closing a query;
 * or still hold on open for the next query.
 */
@FunctionalInterface
public interface DbSessionProvider {

	/**
	 * Returns {@link DbSession}. May throws an exception
	 * if session can not be provided.
	 */
	DbSession getDbSession();

}