Package com.google.genkit.ai.evaluation

Class LocalFileDatasetStore

java.lang.Object

com.google.genkit.ai.evaluation.LocalFileDatasetStore

All Implemented Interfaces:

DatasetStore

public class LocalFileDatasetStore
extends Object
implements DatasetStore

File-based implementation of DatasetStore.

Stores datasets in the .genkit/datasets directory with:

• index.json - metadata for all datasets
• {datasetId}.json - actual dataset data

Constructor Summary

Constructors

Constructor	Description
LocalFileDatasetStore()	Creates a new LocalFileDatasetStore using the default location.
LocalFileDatasetStore(Path storeRoot)	Creates a new LocalFileDatasetStore with a custom root path.

Method Summary

Modifier and Type	Method	Description
DatasetMetadata	createDataset(CreateDatasetRequest request)	Creates a new dataset.
void	deleteDataset(String datasetId)	Deletes a dataset.
List<DatasetSample>	getDataset(String datasetId)	Gets the data for a dataset.
static LocalFileDatasetStore	getInstance()	Gets the singleton instance of the dataset store.
List<DatasetMetadata>	listDatasets()	Lists all datasets.
DatasetMetadata	updateDataset(UpdateDatasetRequest request)	Updates an existing dataset.

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

LocalFileDatasetStore

public LocalFileDatasetStore()

Creates a new LocalFileDatasetStore using the default location.

LocalFileDatasetStore

public LocalFileDatasetStore(Path storeRoot)

Creates a new LocalFileDatasetStore with a custom root path.

Parameters:

storeRoot - the root directory for storing datasets

Method Details

getInstance

public static LocalFileDatasetStore getInstance()

Gets the singleton instance of the dataset store.

Returns:

the dataset store instance

createDataset

public DatasetMetadata createDataset(CreateDatasetRequest request)
                              throws Exception

Description copied from interface: DatasetStore

Creates a new dataset.

Specified by:

createDataset in interface DatasetStore

Parameters:

request - the create request containing dataset data and metadata

Returns:

metadata about the created dataset

Throws:

Exception - if creation fails

updateDataset

public DatasetMetadata updateDataset(UpdateDatasetRequest request)
                              throws Exception

Description copied from interface: DatasetStore

Updates an existing dataset.

Specified by:

updateDataset in interface DatasetStore

Parameters:

request - the update request containing dataset ID and new data

Returns:

metadata about the updated dataset

Throws:

Exception - if update fails or dataset not found

getDataset

public List<DatasetSample> getDataset(String datasetId)
                               throws Exception

Description copied from interface: DatasetStore

Gets the data for a dataset.

Specified by:

getDataset in interface DatasetStore

Parameters:

datasetId - the dataset ID

Returns:

the list of dataset samples

Throws:

Exception - if retrieval fails or dataset not found

listDatasets

public List<DatasetMetadata> listDatasets()
                                   throws Exception

Description copied from interface: DatasetStore

Lists all datasets.

Specified by:

listDatasets in interface DatasetStore

Returns:

list of dataset metadata

Throws:

Exception - if listing fails

deleteDataset

public void deleteDataset(String datasetId)
                   throws Exception

Description copied from interface: DatasetStore

Deletes a dataset.

Specified by:

deleteDataset in interface DatasetStore

Parameters:

datasetId - the dataset ID to delete

Throws:

Exception - if deletion fails