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;
032    
033    import java.lang.annotation.Retention;
034    import java.lang.annotation.RetentionPolicy;
035    import java.lang.annotation.Target;
036    
037    
038    /**
039     * Defines an object.
040     *
041     * @see org.beanlet.Value
042     * @author Leon van Zantvoort
043     */
044    @Retention(RetentionPolicy.RUNTIME)
045    @Target({})
046    public @interface Value {
047        
048        /**
049         * String representation of the value.
050         */
051        String value() default "";
052    
053        /**
054         * Value type.
055         */
056        Class<?> type() default Object.class;
057        
058        /**
059         * Returns the name of the beanlet represented by this value.
060         */
061        String ref() default "";
062    
063        /**
064         * Returns {@code true} if this value represents {@code null}.
065         */
066        boolean nill() default false;
067        
068        /**
069         * Returns {@code true} if this value represents an empty string.
070         */
071        boolean empty() default false;
072    }