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<?php
namespace Tleckie\DesignPatterns\Strategy;
/**
* Class Context
*
* @package Tleckie\DesignPatterns\Strategy
* @author Teodoro Leckie Westberg <[email protected]>
*/
class Context implements ContextInterface
{
/** @var StrategyInterface */
private StrategyInterface $strategy;
* Context constructor.
* @param StrategyInterface $strategy
public function __construct(StrategyInterface $strategy)
$this->changeStrategy($strategy);
}
* @return ContextInterface
public function changeStrategy(StrategyInterface $strategy): ContextInterface
$this->strategy = $strategy;
return $this;
* @param TermsInterface $val
* @return int|float
public function execute(TermsInterface $val): int|float
return $this->strategy->calculate($val);
teodoroleckie /
design-patterns
