Examples with DriverException com.datastax.driver.core.exceptions.DriverException used on opensource projects

Example 16 with DriverException

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

the class CassandraConnectorTableService method list.

/**
 * {@inheritDoc}
 */
@Override
public List<TableInfo> list(@Nonnull @NonNull final ConnectorRequestContext context, @Nonnull @NonNull final QualifiedName name, @Nullable final QualifiedName prefix, @Nullable final Sort sort, @Nullable final Pageable pageable) {
    final String keyspace = name.getDatabaseName();
    log.debug("Attempting to list tables in Cassandra keyspace {} for request {}", keyspace, context);
    try {
        final KeyspaceMetadata keyspaceMetadata = this.getCluster().getMetadata().getKeyspace(keyspace);
        if (keyspaceMetadata == null) {
            throw new DatabaseNotFoundException(name);
        }
        // TODO: Should we include views?
        final List<TableInfo> tables = Lists.newArrayList();
        for (final TableMetadata tableMetadata : keyspaceMetadata.getTables()) {
            if (prefix != null && !tableMetadata.getName().startsWith(prefix.getTableName())) {
                continue;
            }
            tables.add(this.getTableInfo(name, tableMetadata));
        }
        // Sort
        if (sort != null) {
            final Comparator<TableInfo> tableComparator = Comparator.comparing((t) -> t.getName().getTableName());
            ConnectorUtils.sort(tables, sort, tableComparator);
        }
        // Paging
        final List<TableInfo> pagedTables = ConnectorUtils.paginate(tables, pageable);
        log.debug("Listed {} tables in Cassandra keyspace {} for request {}", pagedTables.size(), keyspace, context);
        return pagedTables;
    } catch (final DriverException de) {
        log.error(de.getMessage(), de);
        throw this.getExceptionMapper().toConnectorException(de, name);
    }
}

Example 17 with DriverException

use of com.datastax.driver.core.exceptions.DriverException in project apex-malhar by apache.

the class CassandraTransactionalStore method getCommittedWindowId.

@Override
public long getCommittedWindowId(String appId, int operatorId) {
    try {
        BoundStatement boundStatement = new BoundStatement(lastWindowFetchCommand);
        lastWindowFetchStatement = boundStatement.bind(appId, operatorId);
        long lastWindow = -1;
        ResultSet resultSet = session.execute(lastWindowFetchStatement);
        if (!resultSet.isExhausted()) {
            lastWindow = resultSet.one().getLong(0);
        }
        lastWindowFetchCommand.disableTracing();
        return lastWindow;
    } catch (DriverException ex) {
        throw new RuntimeException(ex);
    }
}

Example 18 with DriverException

use of com.datastax.driver.core.exceptions.DriverException in project apex-malhar by apache.

the class CassandraTransactionalStore method removeCommittedWindowId.

@Override
public void removeCommittedWindowId(String appId, int operatorId) {
    try {
        BoundStatement boundStatement = new BoundStatement(lastWindowDeleteCommand);
        lastWindowDeleteStatement = boundStatement.bind(appId, operatorId);
        session.execute(lastWindowDeleteStatement);
        lastWindowDeleteCommand.disableTracing();
    } catch (DriverException e) {
        throw new RuntimeException(e);
    }
}