org.apache.flume.client.avro

Interface EventReader

All Superinterfaces:

AutoCloseable, Closeable

All Known Subinterfaces:

ReliableEventReader

All Known Implementing Classes:

ReliableSpoolingFileEventReader, ReliableTaildirEventReader, SimpleTextLineEventReader

@InterfaceAudience.Private
@InterfaceStability.Evolving
public interface EventReader
extends Closeable

A line reader produces a stream of lines for the AvroCLIClient to ingest into Flume. The stream may be finite or infinite.

Method Summary

Methods

Modifier and Type	Method and Description
void	close() Clean-up any state associated with this reader.
Event	readEvent() Get the next line associated with the input stream.
List<Event>	readEvents(int n) Get up to n lines associated with the input stream.

Method Detail

readEvent

Event readEvent()
                throws IOException

Get the next line associated with the input stream. If this returns null, the input underlying input source is considered finished. Note that this is allowed to block for indefinite amounts of time waiting to generate a new line.

Throws:

IOException

readEvents

List<Event> readEvents(int n)
                       throws IOException

Get up to n lines associated with the input stream. If this returns less than n lines, the input underlying input source is considered finished. Note that this is allowed to block for indefinite amounts of time waiting to generate a new line.

Throws:

IOException

close

void close()
           throws IOException

Clean-up any state associated with this reader.

Specified by:

close in interface AutoCloseable

Specified by:

close in interface Closeable

Throws:

IOException