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<?php
/* ============================================================================
* Copyright 2020 Zindex Software
*
* 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 Opis\JsonSchema\Schemas;
use Opis\JsonSchema\{ValidationContext, Info\SchemaInfo, Schema};
use Opis\JsonSchema\Parsers\SchemaParser;
use Opis\JsonSchema\Errors\ValidationError;
final class LazySchema extends AbstractSchema
{
private SchemaParser $parser;
private ?Schema $schema = null;
/**
* @param SchemaInfo $info
* @param SchemaParser $parser
*/
public function __construct(SchemaInfo $info, SchemaParser $parser)
{
parent::__construct($info);
$this->parser = $parser;
}
/**
* @inheritDoc
*/
public function validate(ValidationContext $context): ?ValidationError
{
return $this->schema()->validate($context);
}
/**
* @return Schema
*/
public function schema(): Schema
{
if ($this->schema === null) {
$this->schema = $this->parser->parseSchema($this->info);
}
return $this->schema;
}
}
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