io.micronaut.context.annotation.AnnotationExpressionContext Maven / Gradle / Ivy
/*
* Copyright 2017-2022 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 io.micronaut.core.annotation.AnnotationMetadata;
import java.lang.annotation.ElementType;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;
/**
* A meta annotation used to extend {@link io.micronaut.core.expressions.EvaluatedExpression}
* context with specified type. Being an expression context means that expressions can reference
* methods and properties of this object directly with # prefix. This
* annotation allows to specify context
* that will only be scoped to this concrete annotation or annotation member.
*
* @author Sergey Gavrilov
* @author gkrocher
* @since 4.0.0
*/
@Target({ElementType.ANNOTATION_TYPE, ElementType.METHOD})
@Retention(RetentionPolicy.CLASS)
public @interface AnnotationExpressionContext {
/**
* @return The class that should be included in the context where expressions are evaluated.
*/
Class value();
/**
* @return The name of the class that should be included in the context where expressions are evaluated.
*/
@AliasFor(member = AnnotationMetadata.VALUE_MEMBER)
String className() default "";
}