Message (Ignite 2.17.0)

All Superinterfaces:

Serializable

All Known Implementing Classes:

HandshakeMessage, HandshakeMessage2, HandshakeWaitMessage, JobStealingRequest, NodeIdMessage, RecoveryLastReceivedMessage
```
public interface Message
extends Serializable
```
Base class for all communication messages.

Field Summary

Fields
Modifier and Type Field Description

static int DIRECT_TYPE_SIZE
Direct type size in bytes.

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`short`	`directType()`	Gets message type.
`byte`	`fieldsCount()`	Gets fields count.
`void`	`onAckReceived()`	Method called when ack message received.
`boolean`	`readFrom(ByteBuffer buf, MessageReader reader)`	Reads this message from provided byte buffer.
`boolean`	`writeTo(ByteBuffer buf, MessageWriter writer)`	Writes this message to provided byte buffer.

- Field Detail
  - DIRECT_TYPE_SIZE
```
static final int DIRECT_TYPE_SIZE
```
    Direct type size in bytes.
    
    See Also:
    
    Constant Field Values
- Method Detail
  - writeTo
```
boolean writeTo(ByteBuffer buf,
                MessageWriter writer)
```
    Writes this message to provided byte buffer.
    
    Parameters:
    
    buf - Byte buffer.
    
    writer - Writer.
    
    Returns:
    
    Whether message was fully written.
  - readFrom
```
boolean readFrom(ByteBuffer buf,
                 MessageReader reader)
```
    Reads this message from provided byte buffer.
    
    Parameters:
    
    buf - Byte buffer.
    
    reader - Reader.
    
    Returns:
    
    Whether message was fully read.
  - directType
```
short directType()
```
    Gets message type.
    
    Returns:
    
    Message type.
  - fieldsCount
```
byte fieldsCount()
```
    Gets fields count.
    
    Returns:
    
    Fields count.
  - onAckReceived
```
void onAckReceived()
```
    Method called when ack message received.