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<?php |
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declare(strict_types=1); |
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namespace Level23\Druid\Concerns; |
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use Level23\Druid\InputFormats\FlattenSpec; |
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use Level23\Druid\InputFormats\CsvInputFormat; |
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use Level23\Druid\InputFormats\TsvInputFormat; |
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use Level23\Druid\InputFormats\OrcInputFormat; |
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use Level23\Druid\InputFormats\JsonInputFormat; |
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use Level23\Druid\InputFormats\ParquetInputFormat; |
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use Level23\Druid\InputFormats\ProtobufInputFormat; |
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use Level23\Druid\InputFormats\InputFormatInterface; |
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trait HasInputFormat |
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{ |
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/** |
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* @var \Level23\Druid\InputFormats\InputFormatInterface|null |
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*/ |
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protected ?InputFormatInterface $inputFormat = null; |
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/** |
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* Specify that we use JSON as input format. |
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* |
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* @param FlattenSpec|null $flattenSpec Specifies flattening configuration for nested JSON data. See |
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* flattenSpec for more info. |
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* @param array<string,bool>|null $features JSON parser features supported by Jackson library. Those features |
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* will be applied when parsing the input JSON data. |
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* |
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* @see https://github.com/FasterXML/jackson-core/wiki/JsonParser-Features |
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*/ |
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public function jsonFormat(?FlattenSpec $flattenSpec = null, ?array $features = null): self |
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{ |
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$this->inputFormat = new JsonInputFormat($flattenSpec, $features); |
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return $this; |
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} |
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/** |
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* Specify that we use CSV as input format. |
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* |
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* @param string[]|null $columns Specifies the columns of the data. The columns should be in the same |
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* order with the columns of your data. |
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* @param string|null $listDelimiter A custom delimiter for multi-value dimensions. |
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* @param bool|null $findColumnsFromHeader If this is set, the task will find the column names from the header |
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* row. Note that skipHeaderRows will be applied before finding column |
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* names from the header. For example, if you set skipHeaderRows to 2 |
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* and findColumnsFromHeader to true, the task will skip the first two |
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* lines and then extract column information from the third line. |
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* columns will be ignored if this is set to true. |
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* @param int $skipHeaderRows If this is set, the task will skip the first skipHeaderRows rows. |
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*/ |
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public function csvFormat( |
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?array $columns = null, |
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?string $listDelimiter = null, |
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?bool $findColumnsFromHeader = null, |
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int $skipHeaderRows = 0 |
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): self { |
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$this->inputFormat = new CsvInputFormat($columns, $listDelimiter, $findColumnsFromHeader, $skipHeaderRows); |
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return $this; |
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} |
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/** |
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* Specify that we use TSV as input format. |
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* |
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* @param array<string>|null $columns Specifies the columns of the data. The columns should be in the |
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* same order with the columns of your data. |
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* @param string|null $delimiter A custom delimiter for data values. |
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* @param string|null $listDelimiter A custom delimiter for multi-value dimensions. |
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* @param bool|null $findColumnsFromHeader If this is set, the task will find the column names from the |
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* header row. Note that skipHeaderRows will be applied before |
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* finding column names from the header. For example, if you set |
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* skipHeaderRows to 2 and findColumnsFromHeader to true, the task |
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* will skip the first two lines and then extract column |
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* information from the third line. columns will be ignored if |
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* this is set to true. |
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* @param int $skipHeaderRows If this is set, the task will skip the first skipHeaderRows |
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* rows. |
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*/ |
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public function tsvFormat( |
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?array $columns = null, |
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?string $delimiter = null, |
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?string $listDelimiter = null, |
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?bool $findColumnsFromHeader = null, |
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int $skipHeaderRows = 0 |
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): self { |
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$this->inputFormat = new TsvInputFormat( |
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$columns, |
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$delimiter, |
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$listDelimiter, |
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$findColumnsFromHeader, |
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$skipHeaderRows |
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); |
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return $this; |
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} |
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/** |
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* Specify that we use ORC as input format. |
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* |
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* To use the ORC input format, load the Druid Orc extension ( druid-orc-extensions). |
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* |
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* @param FlattenSpec|null $flattenSpec Specifies flattening configuration for nested ORC data. See flattenSpec |
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* for more info. |
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* @param bool|null $binaryAsString Specifies if the binary orc column which is not logically marked as a |
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* string should be treated as a UTF-8 encoded string. Default is false. |
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*/ |
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public function orcFormat(?FlattenSpec $flattenSpec = null, ?bool $binaryAsString = null): self |
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{ |
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$this->inputFormat = new OrcInputFormat($flattenSpec, $binaryAsString); |
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return $this; |
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} |
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/** |
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* Specify that we use Parquet as input format. |
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* |
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* To use the Parquet input format load the Druid Parquet extension (druid-parquet-extensions). |
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* |
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* @param FlattenSpec|null $flattenSpec Define a flattenSpec to extract nested values from a Parquet file. Note |
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* that only 'path' expression are supported ('jq' is unavailable). |
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* @param bool|null $binaryAsString Specifies if the bytes parquet column which is not logically marked as a |
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* string or enum type should be treated as a UTF-8 encoded string. |
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*/ |
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public function parquetFormat(?FlattenSpec $flattenSpec = null, ?bool $binaryAsString = null): self |
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{ |
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$this->inputFormat = new ParquetInputFormat($flattenSpec, $binaryAsString); |
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return $this; |
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} |
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/** |
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* Specify that we use Protobuf as input format. |
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* |
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* You need to include the druid-protobuf-extensions as an extension to use the Protobuf input format. |
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* |
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* @param array<string,string> $protoBytesDecoder Specifies how to decode bytes to Protobuf record. See below for |
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* an example. |
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* @param FlattenSpec|null $flattenSpec Define a flattenSpec to extract nested values from a Parquet |
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* file. Note that only 'path' expression are supported ('jq' is |
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* unavailable). |
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* |
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* Example $protoBytesDecoder value: |
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* ``` |
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* [ |
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* "type" => "file", |
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* "descriptor" => "file:///tmp/metrics.desc", |
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* "protoMessageType" => "Metrics" |
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* ] |
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* ``` |
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* |
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* @see https://druid.apache.org/docs/latest/ingestion/data-formats.html#protobuf |
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*/ |
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public function protobufFormat(array $protoBytesDecoder, ?FlattenSpec $flattenSpec = null): self |
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{ |
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$this->inputFormat = new ProtobufInputFormat($protoBytesDecoder, $flattenSpec); |
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return $this; |
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} |
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} |