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<?php |
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namespace Guillermoandrae\DynamoDb\Operation; |
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use Aws\DynamoDb\DynamoDbClient; |
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use Aws\DynamoDb\Exception\DynamoDbException; |
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use Aws\DynamoDb\Marshaler; |
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use Guillermoandrae\DynamoDb\Contract\AbstractBatchItemOperation; |
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use Guillermoandrae\DynamoDb\Factory\ExceptionFactory; |
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/** |
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* BatchGetItem operation. |
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* |
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* @author Guillermo A. Fisher <[email protected]> |
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* @link https://docs.aws.amazon.com/aws-sdk-php/v3/api/api-dynamodb-2012-08-10.html#batchgetitem |
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*/ |
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final class BatchGetItemOperation extends AbstractBatchItemOperation |
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{ |
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/** |
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* Registers the DynamoDb client, Marshaler, and the mapping of tables and primary keys with this object. |
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* |
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* @param DynamoDbClient $client The DynamoDB client. |
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* @param Marshaler $marshaler The Marshaler. |
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* @param array $primaryKeys The tables and primary keys. |
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*/ |
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public function __construct(DynamoDbClient $client, Marshaler $marshaler, array $primaryKeys) |
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{ |
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parent::__construct($client, $marshaler); |
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$this->setPrimaryKeys($primaryKeys); |
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} |
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public function setPrimaryKeys(array $primaryKeys): BatchGetItemOperation |
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{ |
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$requestItems = []; |
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foreach ($primaryKeys as $tableName => $keys) { |
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$requestItems[$tableName] = ['Keys' => []]; |
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foreach ($keys as $key) { |
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$requestItems[$tableName]['Keys'][] = $this->getMarshaler()->marshalItem($key); |
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} |
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} |
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$this->setRequestItems($requestItems); |
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return $this; |
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} |
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public function execute() |
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{ |
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try { |
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$items = []; |
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$result = $this->client->batchGetItem($this->toArray()); |
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foreach ($result['Responses'] as $table => $itemArrays) { |
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foreach ($itemArrays as $itemArray) { |
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$items[] = $this->getMarshaler()->unmarshalItem($itemArray); |
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} |
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} |
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return $items; |
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} catch (DynamoDbException $ex) { |
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throw ExceptionFactory::factory($ex); |
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} |
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} |
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} |
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guillermoandrae /
php-dynamodb
