Packet (Hazelcast Root 3.5.4 API)

java.lang.Object
- com.hazelcast.nio.Packet

All Implemented Interfaces:

SocketReadable, SocketWritable
```
public final class Packet
extends Object
implements SocketWritable, SocketReadable
```
A Packet is a piece of data send over the line.

Field Summary

Fields
Modifier and Type	Field and Description
`static int`	`HEADER_BIND`
`static int`	`HEADER_EVENT`
`static int`	`HEADER_OP`
`static int`	`HEADER_RESPONSE`
`static int`	`HEADER_URGENT`
`static int`	`HEADER_WAN_REPLICATION`
`static byte`	`VERSION`

Constructor Summary

Constructors
Constructor and Description

Packet()

Packet(Data data)

Packet(Data data, int partitionId)

Constructors
Constructor and Description
`Packet()`
`Packet(Data data)`
`Packet(Data data, int partitionId)`

Method Summary

Methods
Modifier and Type	Method and Description
`boolean`	`done()`
`Connection`	`getConn()` Gets the Connection this Packet was send with.
`Data`	`getData()`
`short`	`getHeader()` Returns the header of the Packet.
`int`	`getPartitionId()` Returns the partition id of this packet.
`boolean`	`isHeaderSet(int bit)`
`boolean`	`isUrgent()` Checks if this SocketWritable is urgent.
`boolean`	`readFrom(ByteBuffer source)`
`void`	`reset()`
`void`	`setConn(Connection conn)` Sets the Connection this Packet is send with.
`void`	`setData(Data data)`
`void`	`setHeader(int bit)`
`int`	`size()` Returns an estimation of the packet, including its payload, in bytes.
`String`	`toString()`
`boolean`	`writeTo(ByteBuffer destination)` Asks the SocketWritable to write its content to the destination ByteBuffer.

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

- Field Detail
  - VERSION
```
public static final byte VERSION
```
    See Also:
    Constant Field Values
  - HEADER_OP
```
public static final int HEADER_OP
```
    See Also:
    Constant Field Values
  - HEADER_RESPONSE
```
public static final int HEADER_RESPONSE
```
    See Also:
    Constant Field Values
  - HEADER_EVENT
```
public static final int HEADER_EVENT
```
    See Also:
    Constant Field Values
  - HEADER_WAN_REPLICATION
```
public static final int HEADER_WAN_REPLICATION
```
    See Also:
    Constant Field Values
  - HEADER_URGENT
```
public static final int HEADER_URGENT
```
    See Also:
    Constant Field Values
  - HEADER_BIND
```
public static final int HEADER_BIND
```
    See Also:
    Constant Field Values
- Constructor Detail
  - Packet
```
public Packet()
```
  - Packet
```
public Packet(Data data)
```
  - Packet
```
public Packet(Data data,
      int partitionId)
```
- Method Detail
  - getConn
```
public Connection getConn()
```
    Gets the Connection this Packet was send with.
    
    Returns:
    the Connection. Could be null.
  - setConn
```
public void setConn(Connection conn)
```
    Sets the Connection this Packet is send with.
    This is done on the reading side of the Packet to make it possible to retrieve information about the sender of the Packet.
    
    Parameters:
    conn - the connection.
  - setHeader
```
public void setHeader(int bit)
```
  - isHeaderSet
```
public boolean isHeaderSet(int bit)
```
  - getHeader
```
public short getHeader()
```
    Returns the header of the Packet. The header is used to figure out what the content is of this Packet before the actual payload needs to be processed.
    
    Returns:
    the header.
  - getPartitionId
```
public int getPartitionId()
```
    Returns the partition id of this packet. If this packet is not for a particular partition, -1 is returned.
    
    Returns:
    the partition id.
  - isUrgent
```
public boolean isUrgent()
```
    Description copied from interface: SocketWritable
    
    Checks if this SocketWritable is urgent. SocketWritable that are urgent, have priority above regular SocketWritable. This is useful to implement System Operations so that they can be send faster than regular operations; especially when the system is under load you want these operations have precedence.
    
    Specified by:
    
    isUrgent in interface SocketWritable
    
    Returns:
    true if urgent, false otherwise.
  - writeTo
```
public boolean writeTo(ByteBuffer destination)
```
    Description copied from interface: SocketWritable
    
    Asks the SocketWritable to write its content to the destination ByteBuffer.
    
    Specified by:
    
    writeTo in interface SocketWritable
    
    Parameters:
    destination - the ByteBuffer to write to.
    
    Returns:
    todo: unclear what return value means.
  - readFrom
```
public boolean readFrom(ByteBuffer source)
```
    Specified by:
    
    readFrom in interface SocketReadable
  - size
```
public int size()
```
    Returns an estimation of the packet, including its payload, in bytes.
    
    Returns:
    the size of the packet.
  - getData
```
public Data getData()
```
  - setData
```
public void setData(Data data)
```
  - done
```
public boolean done()
```
  - reset
```
public void reset()
```
  - toString
```
public String toString()
```
    Overrides:
    
    toString in class Object

Class Packet

Field Summary

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Field Detail

VERSION

HEADER_OP

HEADER_RESPONSE

HEADER_EVENT

HEADER_WAN_REPLICATION

HEADER_URGENT

HEADER_BIND

Constructor Detail

Packet

Packet

Packet

Method Detail

getConn

setConn

setHeader

isHeaderSet

getHeader

getPartitionId

isUrgent

writeTo

readFrom

size

getData

setData

done

reset

toString