TheCodingMachine\Yaco\ServiceProvider\CallbackWrapperDefinition

Complexity

Total Complexity

3

Size/Duplication

Total Lines	55
Duplicated Lines	0 %

Coupling/Cohesion

Components	1
Dependencies	3

Importance

Changes	2
Bugs	0	Features	0

3 Methods

Rating	Name	Duplication	Size	Complexity
A	getIdentifier()	0	4	1
A	__construct()	0	5	1
A	toPhpCode()	0	10	1

<?php

namespace TheCodingMachine\Yaco\ServiceProvider;

use TheCodingMachine\Yaco\Definition\DumpableInterface;
use TheCodingMachine\Yaco\Definition\InlineEntry;
use TheCodingMachine\Yaco\Definition\InlineEntryInterface;

/**
 * Wraps a definition into a callback (to lazy load it easily).
 */
class CallbackWrapperDefinition implements DumpableInterface
{
    /**
     * The identifier of the instance in the container.
     *
     * @var string|null
     */
    private $identifier;

    /**
     * @var DumpableInterface
     */
    private $wrappedDefinition;

    /**
     * @param null|string       $identifier
     * @param DumpableInterface $wrappedDefinition
     */
    public function __construct($identifier, DumpableInterface $wrappedDefinition)
    {
        $this->identifier = $identifier;
        $this->wrappedDefinition = $wrappedDefinition;
    }

    /**
     * Returns the identifier for this object in the container.
     * If null, classes consuming this definition should assume the definition must be inlined.
     *
     * @return string|null
     */
    public function getIdentifier()
    {
        return $this->identifier;
    }

    /**
     * Returns an InlineEntryInterface object representing the PHP code necessary to generate
     * the container entry.
     *
     * @param string $containerVariable The name of the variable that allows access to the container instance. For instance: "$container", or "$this->container"
     * @param array  $usedVariables     An array of variables that are already used and that should not be used when generating this code.
     *
     * @return InlineEntryInterface
     */
    public function toPhpCode($containerVariable, array $usedVariables = array())
    {
        $innerEntry = $this->wrappedDefinition->toPhpCode($containerVariable, $usedVariables);
        $code = sprintf('function() use (%s) {
    %s
    return %s;
}', $containerVariable, $innerEntry->getStatements(), $innerEntry->getExpression());

        return new InlineEntry($code, null, $usedVariables);
    }
}