jakarta.enterprise.inject.build.compatible.spi.InjectionPointInfo Maven / Gradle / Ivy

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/*
 * Copyright (c) 2021 Red Hat and others
 *
 * This program and the accompanying materials are made available under the
 * Apache Software License 2.0 which is available at:
 * https://www.apache.org/licenses/LICENSE-2.0.
 *
 * SPDX-License-Identifier: Apache-2.0
 */

package jakarta.enterprise.inject.build.compatible.spi;

import jakarta.enterprise.lang.model.AnnotationInfo;
import jakarta.enterprise.lang.model.declarations.DeclarationInfo;
import jakarta.enterprise.lang.model.types.Type;
import java.util.Collection;

/**
 * An injection point defined on some bean. Injection points may be fields
 * or method parameters.
 *
 * @since 4.0
 */
public interface InjectionPointInfo {
    /**
     * Returns the {@link Type type} of this injection point.
     *
     * @return the type of this injection point, never {@code null}
     */
    Type type();

    /**
     * Returns a collection of qualifiers declared on this injection point, represented as {@link AnnotationInfo}.
     *
     * @return collection of qualifiers, never {@code null}
     */
    Collection qualifiers();

    /**
     * Returns the declaration of this injection point.
     * That is a {@link jakarta.enterprise.lang.model.declarations.FieldInfo FieldInfo} for field injection,
     * or {@link jakarta.enterprise.lang.model.declarations.ParameterInfo ParameterInfo} for:
     * 
     * constructor injection,
     * initializer method,
     * disposer method,
     * producer method,
     * observer method.
     * 
     *
     * @return the declaration of this injection point, never {@code null}
     */
    DeclarationInfo declaration();
}