net.openhft.chronicle.queue

Interface ExcerptAppender

All Superinterfaces:

ExcerptCommon

All Known Implementing Classes:

SingleAppender

public interface ExcerptAppender
extends ExcerptCommon

The component that facilitates sequentially writing data to a ChronicleQueue.

Author:

peter.lawrey

Method Summary

Modifier and Type	Method and Description
long	cycle()
long	index()
long	writeDocument(net.openhft.chronicle.wire.WriteMarshallable writer)

Methods inherited from interface net.openhft.chronicle.queue.ExcerptCommon

queue

Method Detail

writeDocument

long writeDocument(net.openhft.chronicle.wire.WriteMarshallable writer)
            throws IOException

Parameters:

writer - to write one excerpt.

Returns:

the index last written.

Throws:

IOException

index

long index()

Returns:

the index last written.

Throws:

IllegalStateException - if no index is available

cycle

long cycle()

Returns:

the cycle this appender is on