/*
 * 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 static java.lang.annotation.RetentionPolicy.RUNTIME;

import javax.inject.Qualifier;
import java.lang.annotation.Documented;
import java.lang.annotation.Retention;

A Qualifier that indicates that this bean is the primary bean that should be selected in the case of multiple possible interface implementations.

Note that if multiple primary beans are found then a NonUniqueBeanException can still occur.

Author:Graeme Rocher
See Also:
/** * <p>A {@link Qualifier} that indicates that this bean is the primary bean that should be selected in the case of * multiple possible interface implementations.</p> * * <p>Note that if multiple primary beans are found then a {@link io.micronaut.context.exceptions.NonUniqueBeanException} can still occur.</p> * * @author Graeme Rocher * @see Qualifier @Qualifier */
@Qualifier @Documented @Retention(RUNTIME) public @interface Primary {
The simple name of this annotation.
/** * The simple name of this annotation. */
String SIMPLE_NAME = Primary.class.getSimpleName(); }