84 lines
2.1 KiB
PHP
84 lines
2.1 KiB
PHP
<?php
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namespace danog\MadelineProto\Db;
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use Amp\Producer;
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use Amp\Promise;
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use Amp\Success;
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use danog\MadelineProto\Logger;
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use danog\MadelineProto\Settings\Database\Memory;
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use function Amp\call;
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class MemoryArray extends \ArrayIterator implements DbArray
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{
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protected function __construct($array = [], $flags = 0)
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{
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parent::__construct((array) $array, $flags | self::STD_PROP_LIST);
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}
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/**
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* Get instance.
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*
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* @param string $table
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* @param mixed $value
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* @param Memory $settings
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* @return Promise<self>
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*/
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public static function getInstance(string $table, $value = null, $settings): Promise
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{
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return call(static function () use ($value) {
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if ($value instanceof MemoryArray) {
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return $value;
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}
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if ($value instanceof DbArray) {
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Logger::log("Loading database to memory. Please wait.", Logger::WARNING);
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if ($value instanceof DriverArray) {
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yield from $value->initStartup();
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}
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$value = yield $value->getArrayCopy();
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}
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return new static($value);
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});
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}
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public function offsetExists($offset)
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{
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throw new \RuntimeException('Native isset not support promises. Use isset method');
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}
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public function isset($key): Promise
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{
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return new Success(parent::offsetExists($key));
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}
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public function offsetGet($offset): Promise
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{
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return new Success(parent::offsetExists($offset) ? parent::offsetGet($offset) : null);
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}
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public function offsetUnset($offset): Promise
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{
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return new Success(parent::offsetUnset($offset));
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}
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public function count(): Promise
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{
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return new Success(parent::count());
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}
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public function getArrayCopy(): Promise
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{
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return new Success(parent::getArrayCopy());
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}
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public function getIterator(): Producer
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{
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return new Producer(function (callable $emit) {
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foreach ($this as $key => $value) {
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yield $emit([$key, $value]);
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}
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});
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}
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}
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