Examples with ExportParameters org.talend.dataprep.api.export.ExportParameters used on opensource projects

Example 16 with ExportParameters

use of org.talend.dataprep.api.export.ExportParameters in project data-prep by Talend.

the class OptimizedExportStrategyTest method testAcceptKO_noStepId.

@Test
public void testAcceptKO_noStepId() throws Exception {
    // Given
    preparationRepository.add(new Preparation("prep-1234", "1234", Step.ROOT_STEP.id(), "0.1"));
    ExportParameters exportParameters = new ExportParameters();
    exportParameters.setPreparationId("prep-1234");
    // Then
    assertFalse(optimizedExportStrategy.accept(exportParameters));
}

Example 17 with ExportParameters

use of org.talend.dataprep.api.export.ExportParameters in project data-prep by Talend.

the class OptimizedExportStrategyTest method testAcceptKO_withContent.

@Test
public void testAcceptKO_withContent() throws Exception {
    // Given
    ExportParameters exportParameters = new ExportParameters();
    exportParameters.setContent(new DataSet());
    // Then
    assertFalse(optimizedExportStrategy.accept(exportParameters));
}

Example 18 with ExportParameters

use of org.talend.dataprep.api.export.ExportParameters in project data-prep by Talend.

the class OptimizedExportStrategyTest method testAcceptKO_noPreparation.

@Test
public void testAcceptKO_noPreparation() throws Exception {
    // Given
    ExportParameters exportParameters = new ExportParameters();
    exportParameters.setDatasetId("1234");
    // Then
    assertFalse(optimizedExportStrategy.accept(exportParameters));
}

Example 19 with ExportParameters

use of org.talend.dataprep.api.export.ExportParameters in project data-prep by Talend.

the class OptimizedExportStrategy method performOptimizedTransform.

private void performOptimizedTransform(ExportParameters parameters, OutputStream outputStream) throws IOException {
    // Initial check
    final OptimizedPreparationInput optimizedPreparationInput = new OptimizedPreparationInput(parameters).invoke();
    if (optimizedPreparationInput == null) {
        throw new IllegalStateException("Unable to use this strategy (call accept() before calling this).");
    }
    final String preparationId = parameters.getPreparationId();
    final String dataSetId = optimizedPreparationInput.getDataSetId();
    final TransformationCacheKey transformationCacheKey = optimizedPreparationInput.getTransformationCacheKey();
    final DataSetMetadata metadata = optimizedPreparationInput.getMetadata();
    final String previousVersion = optimizedPreparationInput.getPreviousVersion();
    final String version = optimizedPreparationInput.getVersion();
    final ExportFormat format = getFormat(parameters.getExportType());
    // Get content from previous step
    try (JsonParser parser = mapper.getFactory().createParser(new InputStreamReader(contentCache.get(transformationCacheKey), UTF_8))) {
        // Create dataset
        final DataSet dataSet = mapper.readerFor(DataSet.class).readValue(parser);
        dataSet.setMetadata(metadata);
        // get the actions to apply (no preparation ==> dataset export ==> no actions)
        final String actions = getActions(preparationId, previousVersion, version);
        final PreparationMessage preparation = getPreparation(preparationId);
        preparation.setSteps(getMatchingSteps(preparation.getSteps(), previousVersion, version));
        LOGGER.debug("Running optimized strategy for preparation {} @ step #{}", preparationId, version);
        // create tee to broadcast to cache + service output
        final TransformationCacheKey key = // 
        cacheKeyGenerator.generateContentKey(// 
        dataSetId, // 
        preparationId, // 
        version, // 
        parameters.getExportType(), // 
        parameters.getFrom(), // 
        parameters.getArguments(), // 
        parameters.getFilter());
        LOGGER.debug("Cache key: " + key.getKey());
        LOGGER.debug("Cache key details: " + key.toString());
        try (final TeeOutputStream tee = new TeeOutputStream(outputStream, contentCache.put(key, ContentCache.TimeToLive.DEFAULT))) {
            final Configuration configuration = // 
            Configuration.builder().args(// 
            parameters.getArguments()).outFilter(// 
            rm -> filterService.build(parameters.getFilter(), rm)).sourceType(parameters.getFrom()).format(// 
            format.getName()).actions(// 
            actions).preparation(// 
            preparation).stepId(// 
            version).volume(// 
            Configuration.Volume.SMALL).output(// 
            tee).limit(// 
            limit).build();
            factory.get(configuration).buildExecutable(dataSet, configuration).execute();
            tee.flush();
        } catch (Throwable e) {
            // NOSONAR
            contentCache.evict(key);
            throw e;
        }
    } catch (TDPException e) {
        throw e;
    } catch (Exception e) {
        throw new TDPException(TransformationErrorCodes.UNABLE_TO_TRANSFORM_DATASET, e);
    }
}

Example 20 with ExportParameters

use of org.talend.dataprep.api.export.ExportParameters in project data-prep by Talend.

the class PreparationExportStrategy method execute.

@Override
public StreamingResponseBody execute(final ExportParameters parameters) {
    final String formatName = parameters.getExportType();
    final ExportFormat format = getFormat(formatName);
    // 
    ExportUtils.setExportHeaders(// 
    parameters.getExportName(), // 
    parameters.getArguments().get(ExportFormat.PREFIX + CSVFormat.ParametersCSV.ENCODING), format);
    return outputStream -> performPreparation(parameters, outputStream);
}