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<?php |
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|
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namespace Money\Exchange; |
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|
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use Money\Currency; |
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use Money\CurrencyPair; |
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use Money\Exception\UnresolvableCurrencyPairException; |
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use Money\Exchange; |
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|
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/** |
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* Provides a way to get exchange rate from a static list (array). |
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* |
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* @author Frederik Bosch <f.bosch@genkgo.nl> |
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*/ |
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final class FixedExchange implements Exchange |
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{ |
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/** |
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* @var array |
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*/ |
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private $list; |
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|
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public function __construct(array $list) |
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{ |
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$this->list = $list; |
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} |
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|
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/** |
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* {@inheritdoc} |
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*/ |
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public function quote(Currency $baseCurrency, Currency $counterCurrency) |
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{ |
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if (isset($this->list[$baseCurrency->getCode()][$counterCurrency->getCode()])) { |
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return new CurrencyPair( |
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$baseCurrency, |
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$counterCurrency, |
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$this->list[$baseCurrency->getCode()][$counterCurrency->getCode()] |
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); |
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} |
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|
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throw UnresolvableCurrencyPairException::createFromCurrencies($baseCurrency, $counterCurrency); |
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} |
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} |
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|
