/*
 * Copyright 2017-2020 original authors
 *
 * 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
 *
 * https://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.
 */
package io.micronaut.context.annotation;

import javax.inject.Qualifier;
import java.lang.annotation.Documented;
import java.lang.annotation.ElementType;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;

Allows configuration injection from the environment on a per property, field, method/constructor parameter
basis.
Author:
Graeme Rocher
See Also:
ConfigurationProperties
Since:
1.0/**
 * <p>Allows configuration injection from the environment on a per property, field, method/constructor parameter
 * basis.</p>
 *
 * @author Graeme Rocher
 * @see ConfigurationProperties
 * @since 1.0
 */
@Target({ElementType.FIELD, ElementType.METHOD, ElementType.PARAMETER, ElementType.ANNOTATION_TYPE})
@Retention(RetentionPolicy.RUNTIME)
@Documented
@Qualifier
public @interface Value {

    
A string containing a value, which my optionally contain property placeholder expressions.
Returns:
The value to inject./**
     * A string containing a value, which my optionally contain property placeholder expressions.
     *
     * @return The value to inject.
     */
    String value();
}