com.amazon.ask.mvc.annotation.argument.Slot Maven / Gradle / Ivy

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/*
    Copyright 2018 Amazon.com, Inc. or its affiliates. All Rights Reserved.

    Licensed under the Apache License, Version 2.0 (the "License"). You may not use this file
    except in compliance with the License. A copy of the License is located at

        http://aws.amazon.com/apache2.0/

    or in the "license" file accompanying this file. This file 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.
 */

package com.amazon.ask.mvc.annotation.argument;

import java.lang.annotation.Documented;
import java.lang.annotation.Retention;
import java.lang.annotation.Target;

import static java.lang.annotation.ElementType.PARAMETER;
import static java.lang.annotation.RetentionPolicy.RUNTIME;

/**
 * If this annotation is added to a parameter of type {@link com.amazon.ask.model.Slot}, the corresponding
 * slot will be passed in, if it can be resolved by name from the Intent Request. It can also be added to
 * parameters of type String, in which case the value of the slot will be passed in.
 */
@Target(value = {PARAMETER})
@Retention(value = RUNTIME)
@Documented
public @interface Slot {
    String value(); //the slot name
}