<?php

/**
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 * This software consists of voluntary contributions made by many individuals
 * and is licensed under the LGPL. For more information please see
 * <http://phing.info>.
 */

namespace Phing;

use Phing\Exception\BuildException;

/**
 * An extension point build files can provide as a place where other
 * build files can add new dependencies.
 *
 * @author  Siad Ardroumli <siad.ardroumli@gmail.com>
 */
class ExtensionPoint extends Target
{
    private const NO_CHILDREN_ALLOWED = 'you must not nest child elements into an extension-point';

    /**
     * Throws an exception.
     *
     * @throws BuildException
     */
    public function addTask(Task $task)
    {
        throw new BuildException(self::NO_CHILDREN_ALLOWED);
    }

    /**
     * Throws an exception.
     *
     * @param RuntimeConfigurable $r
     *
     * @throws BuildException
     */
    public function addDataType($r)
    {
        throw new BuildException(self::NO_CHILDREN_ALLOWED);
    }
}
