dk.dma.ais.filter

Class MessageHandlerFilter

java.lang.Object

dk.dma.ais.filter.MessageHandlerFilter

All Implemented Interfaces:

Consumer<AisMessage>

@ThreadSafe
public class MessageHandlerFilter
extends Object
implements Consumer<AisMessage>

Message handler filter

A filter receives AIS messages, do some manipulation, and delivers messages to a list of receivers. Hence filters can be put between an AIS source and handlers.

Thread safe by delegation

Constructor Summary

Constructors

Constructor and Description
MessageHandlerFilter(IMessageFilter messageFilter) Constructor given message filter

Method Summary

Modifier and Type	Method and Description
void	accept(AisMessage message) Receive message
void	registerReceiver(Consumer<? super AisMessage> receiver) Register a receiver of filtered messages
void	removeReceiver(Consumer<? super AisMessage> receiver) Remove receiver
protected void	sendMessage(AisMessage aisMessage) Send message to receivers

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.util.function.Consumer

andThen

Constructor Detail

MessageHandlerFilter

public MessageHandlerFilter(IMessageFilter messageFilter)

Constructor given message filter

Parameters:

messageFilter - the message filter

Method Detail

registerReceiver

public void registerReceiver(Consumer<? super AisMessage> receiver)

Register a receiver of filtered messages

Parameters:

receiver - the receiver

removeReceiver

public void removeReceiver(Consumer<? super AisMessage> receiver)

Remove receiver

Parameters:

receiver - the receiver

sendMessage

protected void sendMessage(AisMessage aisMessage)

Send message to receivers

Parameters:

aisMessage - the ais message

accept

public void accept(AisMessage message)

Receive message

Specified by:

accept in interface Consumer<AisMessage>