Package eu.bandm.tools.message

Class MessagePasser<M extends Message>

java.lang.Object

eu.bandm.tools.message.SingleSender<M>

eu.bandm.tools.message.MessagePasser<M>

Type Parameters:

M - the message subtype propagated by this sender

All Implemented Interfaces:

MessageReceiver<M>

Direct Known Subclasses:

LLJavac.Messager, MessageAsync, MessageFormatter, MessageKindFilter, MessageLevelFilter, MessageLocationFilter, MessageStripExceptions, MessageSync, MessageTranslator, MessageTranslator

public class MessagePasser<M extends Message>
extends SingleSender<M>
implements MessageReceiver<M>

Simply passes every message it receives to a single drain. Is intended as a basis class for overriding the receive(M) method and thus implementing filters and on-the-fly transformations.

Field Summary

Fields inherited from class eu.bandm.tools.message.SingleSender

drain

Constructor Summary

Constructors

Constructor	Description
MessagePasser()	After calling this constructor, a call to SingleSender.setDrain(MessageReceiver) is necessary.
MessagePasser(@Opt MessageReceiver<? super M> r)	Constructor which sets the drain.

Method Summary

Modifier and Type	Method	Description
void	receive(M m)	Will pass the received message to the current SingleSender.drain.

Methods inherited from class eu.bandm.tools.message.SingleSender

getDrain, getReceiver, send, setDrain, setReceiver

Methods inherited from class java.lang.Object

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

Methods inherited from interface eu.bandm.tools.message.MessageReceiver

ifSubcriticalThen, ifSubcriticalThen, ifSubcriticalThenElse

Constructor Details

MessagePasser

public MessagePasser()

After calling this constructor, a call to SingleSender.setDrain(MessageReceiver) is necessary.

See Also:

• SingleSender

MessagePasser

public MessagePasser(@Opt
 @Opt MessageReceiver<? super M> r)

Constructor which sets the drain.

Parameters:

r - the drain for all passed messages.

Method Details

receive

public void receive(M m)

Will pass the received message to the current SingleSender.drain.

Intentionally, the code will crash if that value is currently null.

Specified by:

receive in interface MessageReceiver<M extends Message>

Parameters:

m - the message to receive.