<?php

/*
 * Copyright 2011 Johannes M. Schmitt <schmittjoh@gmail.com>
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

namespace JMS\SerializerBundle\Serializer;

/**
 * Abstract Serialization Visitor.
 *
 * @author Johannes M. Schmitt <schmittjoh@gmail.com>
 */
abstract class AbstractSerializationVisitor extends AbstractVisitor
{
    private $nullable = false;

    public function setNullable($serializeNull)
    {
        $this->nullable = (bool) $serializeNull;
    }

    public function isNullable()
    {
        return (bool) $this->nullable;
    }

    public function visitUsingCustomHandler($data, $type, &$visited)
    {
        foreach ($this->customHandlers as $handler) {
            $rs = $handler->serialize($this, $data, $type, $visited);
            if ($visited) {
                return $rs;
            }
        }
    }
}