001    /*******************************************************************************
002     * Portions created by Sebastian Thomschke are copyright (c) 2005-2011 Sebastian
003     * Thomschke.
004     * 
005     * All Rights Reserved. This program and the accompanying materials
006     * are made available under the terms of the Eclipse Public License v1.0
007     * which accompanies this distribution, and is available at
008     * http://www.eclipse.org/legal/epl-v10.html
009     * 
010     * Contributors:
011     *     Sebastian Thomschke - initial implementation.
012     *******************************************************************************/
013    package net.sf.oval.guard;
014    
015    import java.lang.annotation.Documented;
016    import java.lang.annotation.ElementType;
017    import java.lang.annotation.Retention;
018    import java.lang.annotation.RetentionPolicy;
019    import java.lang.annotation.Target;
020    
021    /**
022     * Before the annotated method is executed all field and getter constraints 
023     * (invariants) of this object are validated.
024     * 
025     * If constraint violations occur, the annotated method will not be executed 
026     * instead it will throw a ConstraintsViolatedException exception.<br> 
027     *
028     * @author Sebastian Thomschke
029     */
030    @Documented
031    @Retention(RetentionPolicy.RUNTIME)
032    @Target({ElementType.METHOD})
033    public @interface PreValidateThis
034    {
035            //
036    }