Package networkTransfer.send

Class NetworkObjectPacker

java.lang.Object

networkTransfer.send.NetworkObjectPacker

public class NetworkObjectPacker
extends Object

Functions to pack up data for sending over the network.

Author:

Doug Gillespie

Field Summary

Fields

Modifier and Type	Field	Description
static final int	DATASTARTFLAG

Constructor Summary

Constructors

Constructor	Description
NetworkObjectPacker()

Method Summary

Modifier and Type	Method	Description
byte[]	packData(int buoyId1, int buoyId2, short dataType1, int dataType2, byte[] data)
byte[]	packData(int buoyId1, int buoyId2, short dataType1, int dataType2, byte[] data, int dataLength)	Pack any type of data for TCP transfer between programmes.
byte[]	packData(NetworkObject netObj)
byte[]	packDataUnit(int buoyId1, int buoyId2, PamDataBlock dataBlock, PamDataUnit dataUnit)	Pack a data unit as a byte array for TCPIP transfer.
String	packDataUnit(PamDataBlock dataBlock, PamDataUnit dataUnit)	Pack a data unit as a json-formatted String for TCP/IP transfer

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Details

DATASTARTFLAG

public static final int DATASTARTFLAG

See Also:

• Constant Field Values

Constructor Details

NetworkObjectPacker

public NetworkObjectPacker()

Method Details

packData

public byte[] packData(int buoyId1,
 int buoyId2,
 short dataType1,
 int dataType2,
 byte[] data)

packDataUnit

public String packDataUnit(PamDataBlock dataBlock,
 PamDataUnit dataUnit)

Pack a data unit as a json-formatted String for TCP/IP transfer

Parameters:

dataBlock -

dataUnit -

Returns:

packDataUnit

public byte[] packDataUnit(int buoyId1,
 int buoyId2,
 PamDataBlock dataBlock,
 PamDataUnit dataUnit)

Pack a data unit as a byte array for TCPIP transfer. Note that data units get additional head information comprising an objectid, a time in millis and the actual datalength.

Parameters:

buoyId1 -

buoyId2 -

dataBlock -

dataUnit -

Returns:

packData

public byte[] packData(NetworkObject netObj)

packData

public byte[] packData(int buoyId1,
 int buoyId2,
 short dataType1,
 int dataType2,
 byte[] data,
 int dataLength)

Pack any type of data for TCP transfer between programmes.

Parameters:

buoyId1 - buoy id1

buoyId2 - buoy id2

dataType1 - first data identifier

dataType2 - second data identifier

data - data

dataLength - length of data in bytes.

Returns:

byte packed array