Examples with MaterializedViewMetadata com.datastax.driver.core.MaterializedViewMetadata used on opensource projects

Example 1 with MaterializedViewMetadata

use of com.datastax.driver.core.MaterializedViewMetadata in project metacat by Netflix.

the class CassandraConnectorDatabaseService method listViewNames.

/**
     * {@inheritDoc}
     */
@Override
public List<QualifiedName> listViewNames(@Nonnull @NonNull final ConnectorContext context, @Nonnull @NonNull final QualifiedName databaseName) {
    final String catalogName = databaseName.getCatalogName();
    final String keyspace = databaseName.getDatabaseName();
    log.debug("Attempting to get materialized view names for keyspace {} due to request {}", keyspace, context);
    try {
        final KeyspaceMetadata keyspaceMetadata = this.getCluster().getMetadata().getKeyspace(keyspace);
        if (keyspaceMetadata == null) {
            throw new DatabaseNotFoundException(databaseName);
        }
        final ImmutableList.Builder<QualifiedName> viewsBuilder = ImmutableList.builder();
        for (final MaterializedViewMetadata view : keyspaceMetadata.getMaterializedViews()) {
            viewsBuilder.add(QualifiedName.ofView(catalogName, keyspace, view.getBaseTable().getName(), view.getName()));
        }
        final List<QualifiedName> views = viewsBuilder.build();
        log.debug("Successfully found {} views for keyspace {} due to request {}", views.size(), keyspace, context);
        return views;
    } catch (final DriverException de) {
        log.error(de.getMessage(), de);
        throw this.getExceptionMapper().toConnectorException(de, databaseName);
    }
}