Problème pour stopper thread avec runnable
Bonjour,
j'arrvive à démarrer et stopper mon thread à l'aide des méthodes start/stop de la classe ci-dessous. Cependant je n'arrive pas à redémarrer mon thread.
Merci d'avance pour votre aide.
Code:
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package modbuswago;
import java.io.IOException;
import java.util.ArrayList;
import javax.swing.event.EventListenerList;
public class PanController extends javax.swing.JPanel implements Runnable {
private ArrayList<Address> addressList;
private String plcIpAddress;
private String changedAddress;
private Thread reader;
private boolean pause;
private Wago wago;
protected EventListenerList listeners;
/** Creates new form PanController */
public PanController()
{
initComponents();
initComponents2();
}
private void initComponents2()
{
reader = new Thread(this);
listeners = new EventListenerList();
}
public void setConnection(String _plcIpAddress) throws IOException
{
wago = new Wago(_plcIpAddress);
if (wago.getPlcIP().isReachable(3000)) {
pbaPlc.setString("Host " + _plcIpAddress + " found");
//this.start();
this.setPlcIpAddress(_plcIpAddress);
}
else {
pbaPlc.setString("Host " + plcIpAddress + " unreachable");
pbaPlc.setIndeterminate(true);
}
}
public synchronized void run()
{
boolean change = true;
pbaPlc.setValue(0);
int i = 0;
while (Thread.currentThread() == reader) {
try {
if (pause) {
this.wait();
}
else {
synchronized(this)
{
this.notify();
}
if (change) {
change = false;
pbaPlc.setString("LOAD FIRST AT HOST " + getPlcIpAddress());
//Load the address, value in oldAddressList
for (int a = 0; a < addressList.size(); a++) {
Address address = (Address) addressList.get(a);
// For WORD
if (address.getTypeAddress().equals(Address.WORD)) {
address.setOldWordValue(wago.getWord(address.getWagoAddress()));
}
// For BOOL
if (address.getTypeAddress().equals(Address.BOOLEAN)) {
address.setOldBooleanValue(wago.getMX(address.getWagoAddress()));
}
// For String
if (address.getTypeAddress().equals(Address.STRING)) {
address.setOldStringValue(wago.getString(address.getWagoAddress(), address.getLengthOfString()));
}
}
}
this.wait(500);
pbaPlc.setString("COMPARE AT HOST " + getPlcIpAddress());
for (int a = 0; a < addressList.size(); a++) {
Address address = (Address) addressList.get(a);
// For Word
if (address.getTypeAddress().equals(Address.WORD) &&
address.getOldWordValue() != wago.getWord(address.getWagoAddress())) {
change = true;
address.setNewWordValue(wago.getWord(address.getWagoAddress()));
fireModbusEvent(address);
}
// For Bool
if (address.getTypeAddress().equals(Address.BOOLEAN) &&
address.isOldBooleanValue() != wago.getMX(address.getWagoAddress())) {
change = true;
address.setNewBooleanValue(wago.getMX(address.getWagoAddress()));
fireModbusEvent(address);
}
//For String
if (address.getTypeAddress().equals(Address.STRING) &&
!address.getOldStringValue().equals(wago.getString(address.getWagoAddress(), address.getLengthOfString()))) {
change = true;
address.setNewStringValue(wago.getString(address.getWagoAddress(), address.getLengthOfString()));
fireModbusEvent(address);
}
}
i++;
if (i > 10) {
i = 0;
}
pbaPlc.setValue(i * 10);
this.wait(500);
}
}
catch (InterruptedException ie) {
}
}
}
public void start()
{
if (reader.isAlive()) {
setPause(false);
//reader.resume();
}
else {
reader.setDaemon(true);
reader.start();
}
System.out.println("start");
}
public void stop()
{
if (reader.isAlive()) {
//setPause(true);
reader.suspend();
}
}
public void setAddressList(ArrayList addressList)
{
this.addressList = addressList;
}
/*--------------------------------[ ListenerSupport ]--------------------------------*/
// Create the listener list
// This methods allows classes to register for MyEvents
public void addModbusListener(ModbusListener listener)
{
listeners.add(ModbusListener.class, listener);
}
// This methods allows classes to unregister for MyEvents
public void removeModbusListener(ModbusListener listener)
{
listeners.remove(ModbusListener.class, listener);
}
public ModbusListener[] getModbusListeners()
{
return listeners.getListeners(ModbusListener.class);
}
// This private class is used to fire MyEvents
void fireModbusEvent(Address _address)
{
ModbusEvent evt = null;
if (_address.getTypeAddress().equals(Address.BOOLEAN)) {
//Trigger of rising-edge for BOOL
if (!_address.isOldBooleanValue() && _address.isNewBooleanValue()) {
for (ModbusListener listener : getModbusListeners()) {
if (evt == null) {
evt = new ModbusEvent(this, _address);
}
listener.valueChanged(evt);
listener.valueIncreased(evt);
}
}
// Trigger of falling-edge for BOOL
if (_address.isOldBooleanValue() && !_address.isNewBooleanValue()) {
for (ModbusListener listener : getModbusListeners()) {
if (evt == null) {
evt = new ModbusEvent(this, _address);
}
listener.valueChanged(evt);
listener.valueDecreased(evt);
}
}
}
if (_address.getTypeAddress().equals(Address.WORD)) {
//Trigger of rising-edge for WORD
if (_address.getOldWordValue() < _address.getNewWordValue()) {
for (ModbusListener listener : getModbusListeners()) {
if (evt == null) {
evt = new ModbusEvent(this, _address);
}
listener.valueChanged(evt);
listener.valueIncreased(evt);
}
}
// Trigger of falling-edge for WORD
if (_address.getOldWordValue() > _address.getNewWordValue()) {
for (ModbusListener listener : getModbusListeners()) {
if (evt == null) {
evt = new ModbusEvent(this, _address);
}
listener.valueChanged(evt);
listener.valueDecreased(evt);
}
}
}
if (_address.getTypeAddress().equals(Address.STRING)) {
//Trigger of rising-edge for STRING
for (ModbusListener listener : getModbusListeners()) {
if (evt == null) {
evt = new ModbusEvent(this, _address);
}
listener.valueChanged(evt);
}
}
}
/** This method is called from within the constructor to
* initialize the form.
* WARNING: Do NOT modify this code. The content of this method is
* always regenerated by the Form Editor.
*/
// <editor-fold defaultstate="collapsed" desc="Generated Code">
private void initComponents() {
pbaPlc = new javax.swing.JProgressBar();
pbaPlc.setFont(new java.awt.Font("DejaVu Sans", 0, 8));
pbaPlc.setValue(100);
pbaPlc.setString("");
pbaPlc.setStringPainted(true);
javax.swing.GroupLayout layout = new javax.swing.GroupLayout(this);
this.setLayout(layout);
layout.setHorizontalGroup(
layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addComponent(pbaPlc, javax.swing.GroupLayout.PREFERRED_SIZE, 232, javax.swing.GroupLayout.PREFERRED_SIZE)
);
layout.setVerticalGroup(
layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addComponent(pbaPlc, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
);
}// </editor-fold>
// Variables declaration - do not modify
private javax.swing.JProgressBar pbaPlc;
// End of variables declaration
public String getPlcIpAddress()
{
return plcIpAddress;
}
public void setPlcIpAddress(String plcIpAddress)
{
this.plcIpAddress = plcIpAddress;
}
public String getChangedAddress()
{
return changedAddress;
}
public void setChangedAddress(String changedAddress)
{
this.changedAddress = changedAddress;
}
public boolean isPause()
{
return pause;
}
public void setPause(boolean _pause)
{
this.pause = _pause;
}
} |
