jakarta.faces.flow.Parameter Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of jakarta.faces-api Show documentation

Jakarta Faces defines an MVC framework for building user interfaces for web applications, including UI components, state management, event handing, input validation, page navigation, and support for internationalization and accessibility.

There is a newer version: 4.1.0

Show newest version

/*
 * Copyright (c) 1997, 2020 Oracle and/or its affiliates. All rights reserved.
 *
 * This program and the accompanying materials are made available under the
 * terms of the Eclipse Public License v. 2.0, which is available at
 * http://www.eclipse.org/legal/epl-2.0.
 *
 * This Source Code may also be made available under the following Secondary
 * Licenses when the conditions for such availability set forth in the
 * Eclipse Public License v. 2.0 are satisfied: GNU General Public License,
 * version 2 with the GNU Classpath Exception, which is available at
 * https://www.gnu.org/software/classpath/license.html.
 *
 * SPDX-License-Identifier: EPL-2.0 OR GPL-2.0 WITH Classpath-exception-2.0
 */

package jakarta.faces.flow;

import jakarta.el.ValueExpression;

/**
 * 
 * Represents a parameter in any of several places where parameters are needed when processing flows.
 * 
 *
 * @since 2.2
 */
public abstract class Parameter {

    /**
     * 
     * Return the name of the parameter
     * 
     *
     * @since 2.2
     *
     * @return the name of the parameter
     */

    public abstract String getName();

    /**
     * 
     * Return a {@code ValueExpression} for the value of the parameter. Depending on the context, this expression may only
     * ever be evaluated in a "get" operation.
     * 
     *
     * @since 2.2
     *
     * @return a {@code ValueExpression} for the value of the parameter
     */
    public abstract ValueExpression getValue();

}