Examples with SparkPreCommitValidator org.apache.hudi.client.validator.SparkPreCommitValidator used on opensource projects

Example 1 with SparkPreCommitValidator

use of org.apache.hudi.client.validator.SparkPreCommitValidator in project hudi by apache.

the class SparkValidatorUtils method runValidators.

/**
 * Check configured pre-commit validators and run them. Note that this only works for COW tables
 *
 * Throw error if there are validation failures.
 */
public static void runValidators(HoodieWriteConfig config, HoodieWriteMetadata<HoodieData<WriteStatus>> writeMetadata, HoodieEngineContext context, HoodieTable table, String instantTime) {
    if (StringUtils.isNullOrEmpty(config.getPreCommitValidators())) {
        LOG.info("no validators configured.");
    } else {
        if (!writeMetadata.getWriteStats().isPresent()) {
            writeMetadata.setWriteStats(writeMetadata.getWriteStatuses().map(WriteStatus::getStat).collectAsList());
        }
        Set<String> partitionsModified = writeMetadata.getWriteStats().get().stream().map(writeStats -> writeStats.getPartitionPath()).collect(Collectors.toSet());
        SQLContext sqlContext = new SQLContext(HoodieSparkEngineContext.getSparkContext(context));
        // Refresh timeline to ensure validator sees the any other operations done on timeline (async operations such as other clustering/compaction/rollback)
        table.getMetaClient().reloadActiveTimeline();
        Dataset<Row> beforeState = getRecordsFromCommittedFiles(sqlContext, partitionsModified, table).cache();
        Dataset<Row> afterState = getRecordsFromPendingCommits(sqlContext, partitionsModified, writeMetadata, table, instantTime).cache();
        Stream<SparkPreCommitValidator> validators = Arrays.stream(config.getPreCommitValidators().split(",")).map(validatorClass -> {
            return ((SparkPreCommitValidator) ReflectionUtils.loadClass(validatorClass, new Class<?>[] { HoodieSparkTable.class, HoodieEngineContext.class, HoodieWriteConfig.class }, table, context, config));
        });
        boolean allSuccess = validators.map(v -> runValidatorAsync(v, writeMetadata, beforeState, afterState, instantTime)).map(CompletableFuture::join).reduce(true, Boolean::logicalAnd);
        if (allSuccess) {
            LOG.info("All validations succeeded");
        } else {
            LOG.error("At least one pre-commit validation failed");
            throw new HoodieValidationException("At least one pre-commit validation failed");
        }
    }
}