001    // Copyright 2005 The Apache Software Foundation
002    //
003    // Licensed under the Apache License, Version 2.0 (the "License");
004    // you may not use this file except in compliance with the License.
005    // You may obtain a copy of the License at
006    //
007    //     http://www.apache.org/licenses/LICENSE-2.0
008    //
009    // Unless required by applicable law or agreed to in writing, software
010    // distributed under the License is distributed on an "AS IS" BASIS,
011    // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
012    // See the License for the specific language governing permissions and
013    // limitations under the License.
014    
015    package org.apache.tapestry.annotations;
016    
017    import java.lang.annotation.Documented;
018    import java.lang.annotation.ElementType;
019    import java.lang.annotation.Retention;
020    import java.lang.annotation.RetentionPolicy;
021    import java.lang.annotation.Target;
022    
023    /**
024     * 
025     * @author Howard Lewis Ship
026     */
027    @Target(
028    { ElementType.METHOD })
029    @Retention(RetentionPolicy.RUNTIME)
030    @Documented
031    public @interface InjectStateFlag {
032    
033        /**
034         * The id of the Application State Object; the boolean accessor method to which the annotation
035         * is attached will return true when the ASO exists, false when it does not.
036         * If no such value is defined, it is derived from the method name.
037         */
038    
039        String value() default "";
040    }