JDK14/Java14源码在线阅读

/*
 * Copyright (c) 2014, 2016, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.  Oracle designates this
 * particular file as subject to the "Classpath" exception as provided
 * by Oracle in the LICENSE file that accompanied this code.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 * or visit www.oracle.com if you need additional information or have any
 * questions.
 */

package java.beans;

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

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

/**
 * An annotation used to specify some property-related information for the
 * automatically generated {@link BeanInfo} classes. This annotation is not used
 * if the annotated class has a corresponding user-defined {@code BeanInfo}
 * class, which does not imply the automatic analysis. If both the read and the
 * write methods of the property are annotated, then the read method annotation
 * will have more priority and replace the write method annotation.
 *
 * @author Sergey A. Malenkov
 * @see BeanInfo#getPropertyDescriptors
 * @since 9
 */
@Documented
@Target({METHOD})
@Retention(RUNTIME)
public @interface BeanProperty {
    /**
     * The value that indicates whether the annotated property can be
     * a {@link PropertyDescriptor#isBound bound} property or not.
     * This value applies only to the beans that have the
     * {@link PropertyChangeListener propertyChange} event set.
     *
     * @return {@code true} if the annotated property can be a bound property;
     *         {@code false} otherwise.
     */
    boolean bound() default true;

    /**
     * The value that indicates whether the annotated property is
     * an {@link PropertyDescriptor#isExpert expert} property or not.
     *
     * @return {@code true} if the annotated property is an expert property;
     *         {@code false} otherwise.
     */
    boolean expert() default false;

    /**
     * The value that indicates whether the annotated property is
     * a {@link PropertyDescriptor#isHidden hidden} property or not.
     *
     * @return {@code true} if the annotated property is a hidden property;
     *         {@code false} otherwise.
     */
    boolean hidden() default false;

    /**
     * The value that indicates whether the annotated property is
     * a {@link PropertyDescriptor#isPreferred preferred} property or not.
     *
     * @return {@code true} if the annotated property is a preferred property;
     *         {@code false} otherwise.
     */
    boolean preferred() default false;

    /**
     * The value that indicates whether the annotated property is
     * a required property or not.
     *
     * @return {@code true} if the annotated property is a required property;
     *         {@code false} otherwise.
     */
    boolean required() default false;

    /**
     * The value that indicates whether the corresponding component
     * is repainted after the annotated property got changed or not.
     *
     * @return {@code true} if the corresponding component is repainted;
     *         {@code false} otherwise.
     */
    boolean visualUpdate() default false;

    /**
     * The {@link PropertyDescriptor#getShortDescription short description}
     * for the {@link BeanInfo#getPropertyDescriptors descriptor}
     * of the annotated property.
     *
     * @return the property description,
     *         or an empty string if the description is not set.
     */
    String description() default "";

    /**
     * The array of names for the public static fields
     * that contains the valid values of the annotated property.

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