net.solarnetwork.io.modbus.tcp

Class SimpleTransactionIdSupplier

java.lang.Object

net.solarnetwork.io.modbus.tcp.SimpleTransactionIdSupplier

All Implemented Interfaces:

IntSupplier

public class SimpleTransactionIdSupplier
extends Object
implements IntSupplier

Simple in-memory supplier for Modbus TCP transaction IDs.

Note the IDs supplied by this class are global across all instances.

Field Summary

Fields

Modifier and Type	Field	Description
static SimpleTransactionIdSupplier	INSTANCE	A global default instance.

Constructor Summary

Constructors

Constructor	Description
SimpleTransactionIdSupplier()

Method Summary

Modifier and Type	Method	Description
int	getAsInt()
int	nextId()	Get the transaction ID that would be returned next from getAsInt().
void	reset()	Reset the transaction counter.
void	set(int value)	Force the transaction counter to a specific value.

Methods inherited from class java.lang.Object

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

Field Detail

INSTANCE

public static final SimpleTransactionIdSupplier INSTANCE

A global default instance.

Constructor Detail

SimpleTransactionIdSupplier

public SimpleTransactionIdSupplier()

Method Detail

getAsInt

public int getAsInt()

Specified by:

getAsInt in interface IntSupplier

nextId

public int nextId()

Get the transaction ID that would be returned next from getAsInt().

Returns:

the next ID

reset

public void reset()

Reset the transaction counter.

The next call to getAsInt() will return 1.

set

public void set(int value)

Force the transaction counter to a specific value.

Parameters:

value - the "next" value to set; the next call to getAsInt() will return this value