io.axoniq.axonserver.connector.impl

Class CloseAwareReplyChannel<T>

java.lang.Object

io.axoniq.axonserver.connector.impl.CloseAwareReplyChannel<T>

Type Parameters:

T - the type of messages flowing through this ReplyChannel

All Implemented Interfaces:

ReplyChannel<T>

public class CloseAwareReplyChannel<T>
extends Object
implements ReplyChannel<T>

A ReplyChannel implementation that will trigger a given action when it is closed.

Since:

4.6.0

Author:

Milan Savic, Stefan Dragisic, Allard Buijze

Constructor Summary

Constructors

Constructor and Description
CloseAwareReplyChannel(ReplyChannel<T> delegate) Instantiates this ReplyChannel with given delegate.
CloseAwareReplyChannel(ReplyChannel<T> delegate, Runnable onClose) Instantiates this ReplyChannel with given delegate and onClose Runnable execution to be executed once the channel is closed.

Method Summary

Modifier and Type	Method and Description
void	complete() Marks the inbound instruction as completed.
void	completeWithError(ErrorCategory errorCategory, String message) Marks the inbound instruction as exceptionally completed.
void	completeWithError(ErrorMessage errorMessage) Marks the inbound instruction as exceptionally completed.
boolean	isClosed() Indicates whether this ReplyChannel is closed.
void	send(T outboundMessage) Sends the given outboundMessage as a reply to an incoming instruction.
void	sendAck() Sends a receipt acknowledgement if one hasn't been sent yet for this instruction.
void	sendLast(T outboundMessage) Sends the given response and marks the processing as completed, possibly signalling flow control that more query messages may be sent.
void	sendNack() Sends a negative acknowledgement, indicating that the incoming message could not be handled as expected.
void	sendNack(ErrorMessage errorMessage) Sends a negative acknowledgement, indicating that the incoming message could not be handled as expected, using given errorMessage to describe the reason.

Methods inherited from class java.lang.Object

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

Constructor Detail

CloseAwareReplyChannel

public CloseAwareReplyChannel(ReplyChannel<T> delegate)

Instantiates this ReplyChannel with given delegate.

Parameters:

delegate - the delegate

CloseAwareReplyChannel

public CloseAwareReplyChannel(ReplyChannel<T> delegate,
                              Runnable onClose)

Instantiates this ReplyChannel with given delegate and onClose Runnable execution to be executed once the channel is closed.

Parameters:

delegate - the delegate

onClose - to be executed when channel is closed

Method Detail

send

public void send(T outboundMessage)

Description copied from interface: ReplyChannel

Sends the given outboundMessage as a reply to an incoming instruction. Where possible, the instruction identifiers should be set on the outbound message.

Specified by:

send in interface ReplyChannel<T>

Parameters:

outboundMessage - the message to send

sendLast

public void sendLast(T outboundMessage)

Description copied from interface: ReplyChannel

Sends the given response and marks the processing as completed, possibly signalling flow control that more query messages may be sent.

No more responses should be sent after invoking this method. The behavior in that case is undefined, and these messages are likely to be ignored.

Specified by:

sendLast in interface ReplyChannel<T>

sendAck

public void sendAck()

Description copied from interface: ReplyChannel

Sends a receipt acknowledgement if one hasn't been sent yet for this instruction. If the incoming instruction has no instruction ID, this method does nothing.

Specified by:

sendAck in interface ReplyChannel<T>

See Also:

ReplyChannel.complete()

sendNack

public void sendNack()

Description copied from interface: ReplyChannel

Sends a negative acknowledgement, indicating that the incoming message could not be handled as expected. Unlike ReplyChannel.sendNack(ErrorMessage), no specific error details are provided. If the incoming instruction has no instruction ID, this method does nothing.

Specified by:

sendNack in interface ReplyChannel<T>

See Also:

ReplyChannel.completeWithError(ErrorMessage), ReplyChannel.completeWithError(ErrorCategory, String)

sendNack

public void sendNack(ErrorMessage errorMessage)

Description copied from interface: ReplyChannel

Sends a negative acknowledgement, indicating that the incoming message could not be handled as expected, using given errorMessage to describe the reason. The given errorMessage should provide sufficient information about the error. If the incoming instruction has no instruction ID, this method does nothing.

Specified by:

sendNack in interface ReplyChannel<T>

See Also:

ReplyChannel.completeWithError(ErrorMessage), ReplyChannel.completeWithError(ErrorCategory, String)

complete

public void complete()

Description copied from interface: ReplyChannel

Marks the inbound instruction as completed.

Specified by:

complete in interface ReplyChannel<T>

completeWithError

public void completeWithError(ErrorMessage errorMessage)

Description copied from interface: ReplyChannel

Marks the inbound instruction as exceptionally completed. The given errorMessage should provide sufficient information about the error.

Specified by:

completeWithError in interface ReplyChannel<T>

Parameters:

errorMessage - the ErrorMessage describing the error

completeWithError

public void completeWithError(ErrorCategory errorCategory,
                              String message)

Description copied from interface: ReplyChannel

Marks the inbound instruction as exceptionally completed. The given errorCategory and message should provide sufficient information about the error.

Specified by:

completeWithError in interface ReplyChannel<T>

Parameters:

errorCategory - the category that best described the error encountered

message - a message providing more details about the Error

isClosed

public boolean isClosed()

Indicates whether this ReplyChannel is closed.

Returns:

true if closed, false otherwise