DefaultMessageFactory

java.lang.Object

org.jgroups.DefaultMessageFactory

All Implemented Interfaces:: MessageFactory

public class DefaultMessageFactory extends Object implements MessageFactory

Default implementation of MessageFactory. Uses an array for message IDs less then 32, and a hashmap for types above 32

Since:: 5.0

Field Summary

Fields

Modifier and Type

Field

Description

protected final Supplier<? extends Message>[]

creators

protected Map<Short,Supplier<? extends Message>>

map

protected static final byte

MIN_TYPE
Constructor Summary

Constructors

Constructor

Description

DefaultMessageFactory()
Method Summary

Modifier and Type

Method

Description

<T extends Message> T

create(short type)

Creates a message based on the given ID

<T extends MessageFactory> T

register(short type, Supplier<? extends Message> generator)

Registers a new creator of messages

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Details
- MIN_TYPE
  
  protected static final byte MIN_TYPE
  See Also:
  
  Constant Field Values
- creators
  
  protected final Supplier<? extends Message>[] creators
- map
  
  protected Map<Short,Supplier<? extends Message>> map
Constructor Details
- DefaultMessageFactory
  
  public DefaultMessageFactory()
Method Details
- create
  
  public <T extends Message> T create(short type)
  
  Description copied from interface: MessageFactory
  
  Creates a message based on the given ID
  
  Specified by:
  
  create in interface MessageFactory
  
  Type Parameters:
  
  T - The type of the message
  
  Parameters:
  
  type - The ID
  
  Returns:
  
  A message
- register
  
  public <T extends MessageFactory> T register(short type, Supplier<? extends Message> generator)
  
  Description copied from interface: MessageFactory
  
  Registers a new creator of messages
  
  Specified by:
  
  register in interface MessageFactory
  
  Parameters:
  
  type - The type associated with the new payload. Needs to be the same in all nodes of the same cluster, and needs to be available (ie., not taken by JGroups or other applications).
  
  generator - The creator of the payload associated with the given type