Package io.jmix.gridexportflowui.exporter.json

Class JsonAllRecordsExporter

java.lang.Object

io.jmix.gridexportflowui.exporter.AbstractAllRecordsExporter

io.jmix.gridexportflowui.exporter.json.JsonAllRecordsExporter

@Component("grdexp_JsonAllRecordsExporter")
public class JsonAllRecordsExporter
extends AbstractAllRecordsExporter

Class is used by ExportAction for exporting all records from the database to JSON format.

Field Summary

Fields inherited from class io.jmix.gridexportflowui.exporter.AbstractAllRecordsExporter

dataManager, gridExportProperties, LAST_LOADED_PK_CONDITION_PARAMETER_NAME, metadataTools, platformTransactionManager

Constructor Summary

Constructors

Constructor	Description
JsonAllRecordsExporter(MetadataTools metadataTools, DataManager dataManager, org.springframework.transaction.PlatformTransactionManager platformTransactionManager, GridExportProperties gridExportProperties)

Method Summary

Modifier and Type	Method	Description
void	exportAll(DataUnit dataUnit, Consumer<Object> jsonObjectCreator)	Method loads all entity instances associated with the given dataUnit and applies the jsonObjectCreator function to each loaded entity instance.

Methods inherited from class io.jmix.gridexportflowui.exporter.AbstractAllRecordsExporter

exportAll, exportEntities, exportKeyValueEntities, generateLoadContext, generateLoadContext, getDataLoader, getValueLoadContextQuery, setDataManager, setGridExportProperties, setPlatformTransactionManager

Methods inherited from class java.lang.Object

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

Constructor Details

JsonAllRecordsExporter

public JsonAllRecordsExporter(MetadataTools metadataTools,
 DataManager dataManager,
 org.springframework.transaction.PlatformTransactionManager platformTransactionManager,
 GridExportProperties gridExportProperties)

Method Details

exportAll

public void exportAll(DataUnit dataUnit,
 Consumer<Object> jsonObjectCreator)

Method loads all entity instances associated with the given dataUnit and applies the jsonObjectCreator function to each loaded entity instance. Creation of the output file object is the responsibility of the function. Data is loaded in batches, the batch size is configured by the GridExportProperties.getExportAllBatchSize().

Parameters:

dataUnit - data unit linked with the data

jsonObjectCreator - function that is being applied to each loaded instance