com.datastax.oss.dsbulk.connectors.commons

Interface AbstractFileBasedConnector.RecordReader

All Superinterfaces:

AutoCloseable

Enclosing class:

AbstractFileBasedConnector

protected static interface AbstractFileBasedConnector.RecordReader
extends AutoCloseable

A reader for Records. Implementors are not expected to deal with thread-safety issues, these are handled by this class.

Method Summary

Modifier and Type	Method and Description
void	close() Closes the underlying file being read.
AbstractFileBasedConnector.RecordReader	readNext(reactor.core.publisher.SynchronousSink<Record> sink) Reads the next record and emits the record to the sink, if any.

Method Detail

readNext

@NonNull
AbstractFileBasedConnector.RecordReader readNext(@NonNull
                                                          reactor.core.publisher.SynchronousSink<Record> sink)

Reads the next record and emits the record to the sink, if any. It may also signal completion, if there are no more records to be read, or an error if the next record cannot be parsed.

This method must never throw; any error should be signaled to the sink.

Parameters:

sink - The SynchronousSink that will receive the parsed record, or a termination signal.

Returns:

this reader.

close

void close()
    throws IOException

Closes the underlying file being read. Once this method is called, it is guaranteed that readNext(SynchronousSink) will not be called anymore.

Specified by:

close in interface AutoCloseable

Throws:

IOException - If an I/O error occurs while closing.