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<?php
/**
* This file is part of PDepend.
*
* PHP Version 5
*
* Copyright (c) 2008-2017 Manuel Pichler <mapi@pdepend.org>.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* * Neither the name of Manuel Pichler nor the names of his
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* 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.
*
* @copyright 2008-2017 Manuel Pichler. All rights reserved.
* @license http://www.opensource.org/licenses/bsd-license.php BSD License
*/
namespace PDepend\Source\AST;
use BadMethodCallException;
use PDepend\Source\ASTVisitor\ASTVisitor;
/**
* Representation of a code interface.
*
* @copyright 2008-2017 Manuel Pichler. All rights reserved.
* @license http://www.opensource.org/licenses/bsd-license.php BSD License
*/
class ASTInterface extends AbstractASTClassOrInterface
{
/**
* The modifiers for this interface instance, by default an interface is
* always abstract.
*
* @var int
*/
protected $modifiers = State::IS_IMPLICIT_ABSTRACT;
/**
* Returns <b>true</b> if this is an abstract class or an interface.
*
* @return bool
*/
public function isAbstract()
{
return true;
}
/**
* Sets a reference onto the parent class of this class node.
*
* @throws BadMethodCallException
*
* @return void
*
* @since 0.9.5
*/
public function setParentClassReference(ASTClassReference $classReference)
{
throw new BadMethodCallException(
'Unsupported method ' . __METHOD__ . '() called.'
);
}
/**
* Checks that this user type is a subtype of the given <b>$type</b> instance.
*
* @return bool
*/
public function isSubtypeOf(AbstractASTType $type)
{
if ($type === $this) {
return true;
} elseif ($type instanceof ASTInterface) {
foreach ($this->getInterfaces() as $interface) {
if ($interface === $type) {
return true;
}
}
}
return false;
}
/**
* Returns the declared modifiers for this type.
*
* @return int
*
* @since 0.9.4
*/
public function getModifiers()
{
return $this->modifiers;
}
/**
* The magic wakeup method will be called by PHP's runtime environment when
* a serialized instance of this class was unserialized. This implementation
* of the wakeup method will register this object in the the global class
* context.
*
* @return void
*
* @since 0.10.0
*/
public function __wakeup()
{
parent::__wakeup();
$this->context->registerInterface($this);
}
}