MessageFactory

java.lang.Object
- org.jgroups.MessageFactory

```
public class MessageFactory
extends java.lang.Object
```
Factory to create messages. Uses an array for message IDs less then 32, and a hashmap for types above 32

Since:

5.0

Author:

Bela Ban

Field Summary

Fields
Modifier and Type	Field	Description
`protected static java.util.function.Supplier<? extends Message>[]`	`creators`
`protected static java.util.Map<java.lang.Short,java.util.function.Supplier<? extends Message>>`	`map`
`protected static byte`	`MIN_TYPE`

Constructor Summary

Constructors
Constructor Description

MessageFactory()

Method Summary

All Methods Static Methods Concrete Methods
Modifier and Type	Method	Description
`static <T extends Message> T`	`create(short type)`	Creates a message based on the given ID
`static void`	`register(short type, java.util.function.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 Detail
  - MIN_TYPE
```
protected static final byte MIN_TYPE
```
    See Also:
    
    Constant Field Values
  - creators
```
protected static final java.util.function.Supplier<? extends Message>[] creators
```
  - map
```
protected static java.util.Map<java.lang.Short,java.util.function.Supplier<? extends Message>> map
```
- Constructor Detail
  - MessageFactory
```
public MessageFactory()
```
- Method Detail
  - create
```
public static <T extends Message> T create(short type)
```
    Creates a message based on the given ID
    
    Type Parameters:
    
    T - The type of the message
    
    Parameters:
    
    type - The ID
    
    Returns:
    
    A message
  - register
```
public static void register(short type,
                            java.util.function.Supplier<? extends Message> generator)
```
    Registers a new creator of messages
    
    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