Package com.couchbase.client.dcp.events

Interface Tracer

All Known Implementing Classes:

LoggingTracer

public interface Tracer

Callback handler for various events that might occur while the DCP client is running. Methods might be called from non-blocking IO threads, and must return quickly without making blocking calls.

Field Summary

Fields

Modifier and Type	Field	Description
static final Tracer	NOOP	An instance that ignores all events.

Method Summary

Modifier and Type	Method	Description
default void	onConnectionClose(String channel)
default void	onConnectionOpen(String channel)
default void	onControlEvent(io.netty.buffer.ByteBuf buf, io.netty.channel.Channel channel)
default void	onDataEvent(io.netty.buffer.ByteBuf buf, io.netty.channel.Channel channel)
default void	onStreamStart(HostAndPort address, int partition, long partitionUuid, long startSeqno, long endSeqno, long snapshotStartSeqno, long snapshotEndSeqno, Map<String,Object> value)
default void	onStreamStartFailed(HostAndPort address, int partition, String cause)

Field Details

NOOP

static final Tracer NOOP

An instance that ignores all events.

Method Details

onConnectionOpen

default void onConnectionOpen(String channel)

onConnectionClose

default void onConnectionClose(String channel)

onStreamStart

default void onStreamStart(HostAndPort address,
 int partition,
 long partitionUuid,
 long startSeqno,
 long endSeqno,
 long snapshotStartSeqno,
 long snapshotEndSeqno,
 Map<String,Object> value)

onStreamStartFailed

default void onStreamStartFailed(HostAndPort address,
 int partition,
 String cause)

onDataEvent

default void onDataEvent(io.netty.buffer.ByteBuf buf,
 io.netty.channel.Channel channel)

onControlEvent

default void onControlEvent(io.netty.buffer.ByteBuf buf,
 io.netty.channel.Channel channel)