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<?php |
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declare(strict_types=1); |
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namespace Level23\Druid\Lookups; |
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/** |
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* @see https://druid.apache.org/docs/latest/querying/kafka-extraction-namespace |
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* @internal |
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*/ |
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class KafkaLookup implements LookupInterface |
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{ |
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/** |
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* @param string $kafkaTopic The Kafka topic to read the data from |
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* @param string|array<int,string> $servers |
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* @param array<string,scalar> $kafkaProperties Kafka consumer properties |
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* @param int $connectTimeout How long to wait for an initial connection |
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* @param bool $isOneToOne The map is a one-to-one (like injective) |
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*/ |
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public function __construct( |
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protected string $kafkaTopic, |
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protected string|array $servers, |
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protected array $kafkaProperties = [], |
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protected int $connectTimeout = 0, |
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protected bool $isOneToOne = false |
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) { |
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$this->kafkaProperties['bootstrap.servers'] = |
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is_array($this->servers) |
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? implode(',', $this->servers) |
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: $this->servers; |
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} |
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/** |
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* @return array<string,string|array<string,scalar>|int|bool> |
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*/ |
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public function toArray(): array |
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{ |
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return [ |
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'type' => 'kafka', |
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'kafkaTopic' => $this->kafkaTopic, |
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'kafkaProperties' => $this->kafkaProperties, |
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'connectTimeout' => $this->connectTimeout, |
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'isOneToOne' => $this->isOneToOne, |
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]; |
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} |
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} |
level23 /
druid-client
