public class ViewHandler extends AbstractGenericHandler<HttpObject,HttpRequest,ViewRequest>
ViewHandler
is responsible for encoding ViewRequest
s into lower level
HttpRequest
s as well as decoding HttpObject
s into
CouchbaseResponse
s.Modifier and Type | Class and Description |
---|---|
protected static class |
ViewHandler.KeepAliveRequest |
protected static class |
ViewHandler.KeepAliveResponse |
ChannelHandler.Sharable
CHARSET, EMPTY_BYTES
Constructor and Description |
---|
ViewHandler(AbstractEndpoint endpoint,
com.lmax.disruptor.RingBuffer<ResponseEvent> responseBuffer,
boolean isTransient,
boolean pipeline)
Creates a new
ViewHandler with the default queue for requests. |
Modifier and Type | Method and Description |
---|---|
protected CouchbaseRequest |
createKeepAliveRequest()
Override to return a non-null request to be fired in the pipeline in case a keep alive is triggered.
|
protected CouchbaseResponse |
decodeResponse(ChannelHandlerContext ctx,
HttpObject msg)
Decodes the incoming response and transforms it into a
CouchbaseResponse . |
protected HttpRequest |
encodeRequest(ChannelHandlerContext ctx,
ViewRequest msg)
Encode the outgoing request and return it in encoded format.
|
void |
handlerRemoved(ChannelHandlerContext ctx) |
protected ServiceType |
serviceType()
Returns the
ServiceType associated with this handler. |
addHttpBasicAuth, channelActive, channelInactive, channelWritabilityChanged, completeRequestSpan, connect, currentDispatchSpan, currentRequest, decode, encode, endpoint, env, exceptionCaught, finishedDecoding, getDecodingState, logIdent, onKeepAliveFired, onKeepAliveResponse, publishResponse, remoteHostname, remoteHttpHost, shouldSendKeepAlive, sideEffectRequestToCancel, userEventTriggered, write
acceptInboundMessage, acceptOutboundMessage, channelRead
bind, close, deregister, disconnect, flush, read
channelReadComplete, channelRegistered, channelUnregistered
ensureNotSharable, handlerAdded, isSharable
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
handlerAdded
public ViewHandler(AbstractEndpoint endpoint, com.lmax.disruptor.RingBuffer<ResponseEvent> responseBuffer, boolean isTransient, boolean pipeline)
ViewHandler
with the default queue for requests.endpoint
- the AbstractEndpoint
to coordinate with.responseBuffer
- the RingBuffer
to push responses into.protected HttpRequest encodeRequest(ChannelHandlerContext ctx, ViewRequest msg) throws Exception
AbstractGenericHandler
encodeRequest
in class AbstractGenericHandler<HttpObject,HttpRequest,ViewRequest>
ctx
- the context passed in.msg
- the outgoing message.Exception
- as a generic error.protected CouchbaseResponse decodeResponse(ChannelHandlerContext ctx, HttpObject msg) throws Exception
AbstractGenericHandler
CouchbaseResponse
.
Note that the actual notification is handled by this generic handler, the implementing class only is concerned
about the conversion itself.decodeResponse
in class AbstractGenericHandler<HttpObject,HttpRequest,ViewRequest>
ctx
- the context passed in.msg
- the incoming message.Exception
- as a generic error. It will be bubbled up to the user (wrapped in a CouchbaseException) in the
onError of the request's Observable.public void handlerRemoved(ChannelHandlerContext ctx) throws Exception
handlerRemoved
in interface ChannelHandler
handlerRemoved
in class AbstractGenericHandler<HttpObject,HttpRequest,ViewRequest>
Exception
protected CouchbaseRequest createKeepAliveRequest()
AbstractGenericHandler
createKeepAliveRequest
in class AbstractGenericHandler<HttpObject,HttpRequest,ViewRequest>
protected ServiceType serviceType()
AbstractGenericHandler
ServiceType
associated with this handler.serviceType
in class AbstractGenericHandler<HttpObject,HttpRequest,ViewRequest>
Copyright © 2021 Couchbase, Inc.. All rights reserved.