Examples with ConstantClassLoaderProvider io.cdap.cdap.data2.datafabric.dataset.type.ConstantClassLoaderProvider used on opensource projects

Example 6 with ConstantClassLoaderProvider

use of io.cdap.cdap.data2.datafabric.dataset.type.ConstantClassLoaderProvider in project cdap by caskdata.

the class InMemoryDatasetOpExecutor method update.

@Override
public DatasetSpecification update(DatasetId datasetInstanceId, DatasetTypeMeta typeMeta, DatasetProperties props, DatasetSpecification existing) throws Exception {
    DatasetType type = client.getDatasetType(typeMeta, null, new ConstantClassLoaderProvider());
    if (type == null) {
        throw new IllegalArgumentException("Dataset type cannot be instantiated for provided type meta: " + typeMeta);
    }
    try {
        DatasetSpecification spec = type.reconfigure(datasetInstanceId.getEntityName(), props, existing);
        DatasetAdmin admin = type.getAdmin(DatasetContext.from(datasetInstanceId.getNamespace()), spec);
        if (admin instanceof Updatable) {
            ((Updatable) admin).update(existing);
        } else {
            admin.create();
        }
        if (spec.getDescription() == null && existing.getDescription() != null) {
            spec.setDescription(existing.getDescription());
        }
        return spec;
    } catch (IncompatibleUpdateException e) {
        throw new ConflictException(e.getMessage());
    }
}