SystemMessage (library API)

java.lang.Object
- bftsmart.communication.SystemMessage

All Implemented Interfaces:

java.io.Externalizable, java.io.Serializable

Direct Known Subclasses:

ConsensusMessage, ForwardedMessage, LCMessage, SMMessage, TOMMessage, VMMessage
```
public abstract class SystemMessage
extends java.lang.Object
implements java.io.Externalizable
```
This is the super-class for all other kinds of messages created by JBP

See Also:

Serialized Form

Field Summary

Fields
Modifier and Type Field Description

boolean authenticated

protected int sender

Constructor Summary

Constructors
Constructor Description

SystemMessage()
Creates a new instance of SystemMessage

SystemMessage(int sender)
Creates a new instance of SystemMessage

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`int`	`getSender()`	Returns the ID of the process which sent the message
`void`	`readExternal(java.io.ObjectInput in)`
`void`	`writeExternal(java.io.ObjectOutput out)`

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

- Field Detail
  - sender
```
protected int sender
```
  - authenticated
```
public transient boolean authenticated
```
- Constructor Detail
  - SystemMessage
```
public SystemMessage()
```
    Creates a new instance of SystemMessage
  - SystemMessage
```
public SystemMessage(int sender)
```
    Creates a new instance of SystemMessage
    
    Parameters:
    
    sender - ID of the process which sent the message
- Method Detail
  - getSender
```
public final int getSender()
```
    Returns the ID of the process which sent the message
    
    Returns:
  - writeExternal
```
public void writeExternal(java.io.ObjectOutput out)
                   throws java.io.IOException
```
    Specified by:
    
    writeExternal in interface java.io.Externalizable
    
    Throws:
    
    java.io.IOException
  - readExternal
```
public void readExternal(java.io.ObjectInput in)
                  throws java.io.IOException,
                         java.lang.ClassNotFoundException
```
    Specified by:
    
    readExternal in interface java.io.Externalizable
    
    Throws:
    
    java.io.IOException
    
    java.lang.ClassNotFoundException