org.elasticsearch.transport.netty

Class MessageChannelHandler.Marker

java.lang.Object

org.elasticsearch.transport.netty.MessageChannelHandler.Marker

Enclosing class:

MessageChannelHandler

protected static final class MessageChannelHandler.Marker
extends Object

Internal helper class to store characteristic offsets of a buffer during processing

Constructor Summary

Constructors

Constructor and Description
MessageChannelHandler.Marker(org.jboss.netty.buffer.ChannelBuffer buffer)

Method Summary

Methods

Modifier and Type	Method and Description
int	expectedReaderIndex()
int	messageSize()
int	messageSizeWithAllHeaders()
int	messageSizeWithRemainingHeaders()
void	validateRequest(StreamInput stream, long requestId, String action) Validates that a request has been fully read (not too few bytes but also not too many bytes).
void	validateResponse(StreamInput stream, long requestId, TransportResponseHandler<?> handler, boolean error) Validates that a response has been fully read (not too few bytes but also not too many bytes).

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

MessageChannelHandler.Marker

public MessageChannelHandler.Marker(org.jboss.netty.buffer.ChannelBuffer buffer)

Method Detail

messageSizeWithRemainingHeaders

public int messageSizeWithRemainingHeaders()

Returns:

the number of bytes that have yet to be read from the buffer

messageSizeWithAllHeaders

public int messageSizeWithAllHeaders()

Returns:

the number in bytes for the message including all headers (even the ones that have been read from the buffer already)

messageSize

public int messageSize()

Returns:

the number of bytes for the message itself (excluding all headers).

expectedReaderIndex

public int expectedReaderIndex()

Returns:

the expected index of the buffer's reader after the message has been consumed entirely.

validateRequest

public void validateRequest(StreamInput stream,
                   long requestId,
                   String action)
                     throws IOException

Validates that a request has been fully read (not too few bytes but also not too many bytes).

Parameters:

stream - A stream that is associated with the buffer that is tracked by this marker.

requestId - The current request id.

action - The currently executed action.

Throws:

IOException - Iff the stream could not be read.

IllegalStateException - Iff the request has not been fully read.

validateResponse

public void validateResponse(StreamInput stream,
                    long requestId,
                    TransportResponseHandler<?> handler,
                    boolean error)
                      throws IOException

Validates that a response has been fully read (not too few bytes but also not too many bytes).

Parameters:

stream - A stream that is associated with the buffer that is tracked by this marker.

requestId - The corresponding request id for this response.

handler - The current response handler.

error - Whether validate an error response.

Throws:

IOException - Iff the stream could not be read.

IllegalStateException - Iff the request has not been fully read.