To.java

package org.nnsoft.guice.autobind.annotations;

/*
 *    Copyright 2012 The 99 Software Foundation
 *
 *    Licensed under the Apache License, Version 2.0 (the "License");
 *    you may not use this file except in compliance with the License.
 *    You may obtain a copy of the License at
 *
 *       http://www.apache.org/licenses/LICENSE-2.0
 *
 *    Unless required by applicable law or agreed to in writing, software
 *    distributed under the License is distributed on an "AS IS" BASIS,
 *    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *    See the License for the specific language governing permissions and
 *    limitations under the License.
 */

import static org.nnsoft.guice.autobind.annotations.To.Type.INTERFACES;

/**
 * Can be used to tell autobind where the class should be bound to.
 */
public @interface To
{

    Type value() default INTERFACES;

    Class<? extends Object>[] customs() default {};

    public static enum Type
    {

        /**
         * Binds the Implementation to itself. Equals
         * binder.bind(Implementation.class);
         */
        IMPLEMENTATION,

        /**
         * Binds the Implementation to all implemented Interfaces.
         *
         * Equals: for(Interface interface: implementedInterfaces)
         * binder.bind(interface).to(implementation);
         */
        INTERFACES,

        /**
         * Binds the Implementation to the extended Super-Class. Equals:
         * binder.bind(superclass).to(implementation);
         */
        SUPER,

        /**
         * Binds the Implementation to the Classes specifed by @To(to={})
         *
         * Equals: for(Class<?> class: toClasses)
         * binder.bind(class).to(implementation);
         */
        CUSTOM

    }

}