001    /*
002     * ============================================================================
003     * GNU Lesser General Public License
004     * ============================================================================
005     *
006     * Beanlet - JSE Application Container.
007     * Copyright (C) 2006  Leon van Zantvoort
008     *
009     * This library is free software; you can redistribute it and/or
010     * modify it under the terms of the GNU Lesser General Public
011     * License as published by the Free Software Foundation; either
012     * version 2.1 of the License, or (at your option) any later version.
013     *
014     * This library is distributed in the hope that it will be useful,
015     * but WITHOUT ANY WARRANTY; without even the implied warranty of
016     * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
017     * Lesser General Public License for more details.
018     *
019     * You should have received a copy of the GNU Lesser General Public
020     * License along with this library; if not, write to the Free Software
021     * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307, USA.
022     *
023     * Leon van Zantvoort
024     * 243 Acalanes Drive #11
025     * Sunnyvale, CA 94086
026     * USA
027     *
028     * zantvoort@users.sourceforge.net
029     * http://beanlet.org
030     */
031    package org.beanlet.transaction;
032    
033    import java.lang.annotation.ElementType;
034    import java.lang.annotation.Retention;
035    import java.lang.annotation.RetentionPolicy;
036    import java.lang.annotation.Target;
037    
038    
039    /**
040     * The {@code BeforeCompletion} method notifies a beanlet instance that a
041     * transaction is about to be committed.
042     *
043     * <p><h3>Method Constraints</h3>
044     * Only one method can be marked with this annotation. The method on which the
045     * {@code BeforeCompletion} annotation is applied MUST fulfill all of the
046     * following criteria:
047     * <ul>
048     * <li>The method MUST NOT have any parameters.
049     * <li>The method MAY return any type.
050     * <li>The method MUST NOT throw a checked exception.
051     * <li>The method on which {@code BeforeCompletion} is applied MAY be
052     * {@code public}, {@code protected}, package private or {@code private}.
053     * <li>The method MUST NOT be {@code static}.
054     * <li>The method MAY be {@code final}.
055     * </ul>
056     *
057     * {@beanlet.annotation}
058     *
059     * @see TransactionSynchronization
060     * @author Leon van Zantvoort
061     */
062    @Retention(RetentionPolicy.RUNTIME)
063    @Target(ElementType.METHOD)
064    public @interface BeforeCompletion {
065        
066    }