com.ghgande.j2mod.modbus.io

Class ModbusSerialTransaction

java.lang.Object

com.ghgande.j2mod.modbus.io.ModbusTransaction

com.ghgande.j2mod.modbus.io.ModbusSerialTransaction

public class ModbusSerialTransaction
extends ModbusTransaction

Class implementing the ModbusTransaction interface.

Version:

2.0 (March 2016)

Author:

Dieter Wimberger, Steve O'Hara (4NG)

Constructor Summary

Constructors

Constructor and Description
ModbusSerialTransaction() Constructs a new ModbusSerialTransaction instance.
ModbusSerialTransaction(AbstractSerialConnection con) Constructs a new ModbusSerialTransaction instance with a given ModbusRequest to be send when the transaction is executed.
ModbusSerialTransaction(ModbusRequest request) Constructs a new ModbusSerialTransaction instance with a given ModbusRequest to be send when the transaction is executed.

Method Summary

Modifier and Type	Method and Description
void	execute() Executes this ModbusTransaction.
int	getTransDelayMS() Get the TransDelayMS value.
void	setSerialConnection(AbstractSerialConnection con) Sets the port on which this ModbusTransaction should be executed.
void	setTransDelayMS(int newTransDelayMS) Set the TransDelayMS value.
void	setTransport(ModbusSerialTransport transport)

Methods inherited from class com.ghgande.j2mod.modbus.io.ModbusTransaction

getRequest, getResponse, getTransactionID, isCheckingValidity, setCheckingValidity, setRequest, setRetries

Methods inherited from class java.lang.Object

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

Constructor Detail

ModbusSerialTransaction

public ModbusSerialTransaction()

Constructs a new ModbusSerialTransaction instance.

ModbusSerialTransaction

public ModbusSerialTransaction(ModbusRequest request)

Constructs a new ModbusSerialTransaction instance with a given ModbusRequest to be send when the transaction is executed.

Parameters:

request - a ModbusRequest instance.

ModbusSerialTransaction

public ModbusSerialTransaction(AbstractSerialConnection con)

Constructs a new ModbusSerialTransaction instance with a given ModbusRequest to be send when the transaction is executed.

Parameters:

con - a TCPMasterConnection instance.

Method Detail

setSerialConnection

public void setSerialConnection(AbstractSerialConnection con)

Sets the port on which this ModbusTransaction should be executed.

Parameters:

con - a SerialConnection.

setTransport

public void setTransport(ModbusSerialTransport transport)

getTransDelayMS

public int getTransDelayMS()

Get the TransDelayMS value.

Returns:

the TransDelayMS value.

setTransDelayMS

public void setTransDelayMS(int newTransDelayMS)

Set the TransDelayMS value.

Parameters:

newTransDelayMS - The new TransDelayMS value.

execute

public void execute()
             throws ModbusException

Description copied from class: ModbusTransaction

Executes this ModbusTransaction. Locks the ModbusTransport for sending the ModbusRequest and reading the related ModbusResponse. If reconnecting is activated the connection will be opened for the transaction and closed afterwards.

Specified by:

execute in class ModbusTransaction

Throws:

ModbusException - if an I/O error occurs, or the response is a modbus protocol exception.