public static void main(String[] args) {
Singleton s1 =
Singleton.createSingleton(); // Замена вызова конструктора на вызов статического метода.
Singleton s2 = Singleton.createSingleton();
System.out.println(s1 == s2); // Будет ссылаться на один обьект.
}
public static void main(String[] args) throws IOException, ClassNotFoundException {
Singleton instance = Singleton.getInstance();
// Serializing the singleton instance
ObjectOutputStream oos = new ObjectOutputStream(new FileOutputStream("singleton.tmp"));
oos.writeObject(instance);
oos.close();
// Recreating the instance by reading the serialized object data store
ObjectInputStream ois = new ObjectInputStream(new FileInputStream("singleton.tmp"));
Singleton singleton = (Singleton) ois.readObject();
ois.close();
// Recreating the instance AGAIN by reading the serialized object data store
ObjectInputStream ois2 = new ObjectInputStream(new FileInputStream("singleton.tmp"));
Singleton singleton1 = (Singleton) ois2.readObject();
ois2.close();
// The singleton behavior have been broken
System.out.println("Instance reference check : " + singleton.getInstance());
System.out.println("Instance reference check : " + singleton1.getInstance());
System.out.println("=========================================================");
System.out.println("Object reference check : " + singleton);
System.out.println("Object reference check : " + singleton1);
}
public static void main(String[] args) {
Singleton.getInstance().printSingleton();
Singleton.getInstance().printSingleton();
Singleton.getInstance().printSingleton();
Singleton.getInstance().printSingleton();
Singleton.getInstance().printSingleton();
}
public static void main(String[] args) {
Singleton.getInstance();
Singleton.getInstance();
Singleton.getInstance();
Singleton.getInstance();
System.out.println(Singleton.getData());
}
public static void ImprimirFiguras() {
Singleton x = Singleton.getInstance();
for (FiguraGeometrica figura : x.getFiguras()) {
System.out.println(figura);
System.out.println();
}
}
public void run() {
Singleton threadSingleton = Singleton.getInstance();
synchronized (BreakSingleton.class) {
if (singleton == null) singleton = threadSingleton;
}
System.out.println("Thread 1st Object Hash:" + singleton.hashCode());
System.out.println("Thread 2nd Object Hash:" + threadSingleton.hashCode());
}
public static void main(String[] args) {
// TODO Auto-generated method stub
Singleton s = new Singleton();
s.getInstance();
System.out.println(s.getInstance().hashCode());
s = new Singleton();
s.getInstance();
System.out.println(s.getInstance().hashCode());
}
public static void main(String[] args) {
Singleton singletonNesne1 = Singleton.getInstance();
Singleton singletonNesne2 = Singleton.getInstance();
// Singleton singletonNesne2=new Singleton();
// yukarýdaki kod hata verir.
if (singletonNesne1 == singletonNesne2) System.out.println("Nesneler Ayný!");
else System.out.println("Nesneler Farklý!");
}
@Test
public void test1() {
System.out.println(Singleton.getInstance());
System.out.println(Singleton.getInstance());
System.out.println();
System.out.println(Singleton2.getInstance());
System.out.println(Singleton2.getInstance());
}
public static void main(String[] args) {
Singleton s1 = Singleton.getInstance(0);
Singleton s2 = Singleton.getInstance(1);
Singleton s3 = Singleton.getInstance(2);
s1.printData();
s2.printData();
s3.printData();
}
public static void main(String[] args) {
System.out.println("Start.");
Singleton obj1 = Singleton.getInstance();
Singleton obj2 = Singleton.getInstance();
if (obj1 == obj2) {
System.out.println("obj1 と obj2 は同じインスタンスです。");
} else {
System.out.println("obj1 と obj2 は同じインスタンスではありません。");
}
System.out.println("End.");
}
/** Initialize the contents of the frame. */
private void initialize() {
Dimension dim = Toolkit.getDefaultToolkit().getScreenSize();
frame = new JFrame();
frame.setSize(1050, 781);
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frame.setResizable(false);
int x = (dim.width - frame.getSize().width) / 2;
int y = (dim.height - frame.getSize().height) / 2;
frame.setLocation(x, y);
// top
AppMenu mn = new AppMenu();
JPanel container = new JPanel();
JPanel top = new JPanel();
preview = new Canvas("PREVIEW", false, false, new Dimension(200, 200));
top.add(preview);
BorderLayout border = new BorderLayout();
container.setLayout(border);
container.add(mn, BorderLayout.NORTH);
container.add(top, BorderLayout.SOUTH);
frame.getContentPane().add(container, BorderLayout.NORTH);
// left
JPanel leftContainner = new JPanel();
BorderLayout leftLyout = new BorderLayout();
leftContainner.setLayout(leftLyout);
JPanel left = new JPanel();
move = new Canvas("MOVE", true, false, new Dimension(500, 500));
left.add(move);
leftContainner.add(left, BorderLayout.SOUTH);
frame.getContentPane().add(leftContainner, BorderLayout.WEST);
// right
JPanel rightContainner = new JPanel();
BorderLayout rightLyout = new BorderLayout();
rightContainner.setLayout(rightLyout);
JPanel right = new JPanel();
zoom = new Canvas("ZOOM", false, true, new Dimension(500, 500));
right.add(zoom);
rightContainner.add(right, BorderLayout.SOUTH);
frame.getContentPane().add(rightContainner, BorderLayout.EAST);
Singleton.getInstance().getPreview().register(preview);
Singleton.getInstance().getEdit().register(move);
Singleton.getInstance().getEdit().register(zoom);
preview.setSubject(Singleton.getInstance().getPreview());
move.setSubject(Singleton.getInstance().getEdit());
zoom.setSubject(Singleton.getInstance().getEdit());
Singleton.getInstance().getWarpper().setTopCanvas(this.preview);
Singleton.getInstance().getWarpper().setLeftCanvas(this.move);
Singleton.getInstance().getWarpper().setRightCanvas(this.zoom);
}
@Override
public void currentChanged(ChangeEvent ce) {
DataPointEntry currentEntry = Singleton.getState().getCurrenDataEntry();
if (currentEntry == null) {
modelValueField.setText("--");
snpLocationField.setText("--");
pValueField.setText("--");
rsIdField.setText("--");
intronExonField.setText("--");
regulomeField.setText("--");
snpGeneField.setText("--");
} else {
// System.out.println("currentChanged: " + currentEntry);
SNP snp = currentEntry.getSnp();
Model model = currentEntry.getModel();
DataSet dataSet = currentEntry.getDataSet();
Double negLogPValue = dataSet.getPvalFromSnpModel(snp, model);
modelValueField.setText(model.toString());
DecimalFormat formatter = new DecimalFormat("#,###");
// snpLocationField.setText(snp.getLoc() + "");
snpLocationField.setText(formatter.format(snp.getLoc()));
String outputStr = myFormatter.format(negLogPValue);
pValueField.setText(outputStr);
rsIdField.setText("rs" + snp.getRsId());
intronExonField.setText(snp.getIntronExon().toString());
regulomeField.setText(snp.getRegulome());
snpGeneField.setText(snp.getAssociatedGene());
}
}
public boolean createPhysicalBoatProxy(String host) {
System.out.println("Creating physical boat proxy");
instance.createBoatProxy(host, Material.CYAN);
return true;
}
public static void breakSingletonWithSerialization() {
System.out.println();
final String fileName = "singleton.ser";
// getting singleton instance
Singleton instanceOne = Singleton.getInstance();
instanceOne.setValue(10);
try {
// Serialize to a file
ObjectOutput objectOutput = new ObjectOutputStream(new FileOutputStream(fileName));
objectOutput.writeObject(instanceOne);
objectOutput.close();
// now changed the value of singleton
instanceOne.setValue(20);
// Serialize to a file
ObjectInput objectInput = new ObjectInputStream(new FileInputStream(fileName));
Singleton instanceTwo = (Singleton) objectInput.readObject();
objectInput.close();
System.out.println("Instance One Value= " + instanceOne.getValue());
System.out.println("Instance Two Value= " + instanceTwo.getValue());
} catch (IOException e) {
e.printStackTrace();
} catch (ClassNotFoundException e) {
e.printStackTrace();
}
}
@Override
public void run() {
// TODO Auto-generated method stub
try {
System.out.println(Singleton.getInstance(a).getName());
} catch (InterruptedException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
public FormAddFolderFromButton(IHMcodeMirror IHM) {
super();
this.IHMcodeMirror = IHM;
WindowFactory.setParameters(this, "Create New Folder", 350, 280);
this.addCloseClickHandler(
new CloseClickHandler() {
@Override
public void onCloseClick(CloseClientEvent closeClientEvent) {
hide();
}
});
DynamicForm form = new DynamicForm();
form.setPadding(5);
form.setLayoutAlign(VerticalAlignment.BOTTOM);
textItem = new TextItem();
textItem.setTitle("Name");
textItem.setRequired(true);
IButton ok = new IButton("Ok");
form.setFields(textItem);
this.addItem(form);
this.addItem(ok);
treeGrid = Singleton.getInstance().loadFileSystemLight(IHMcodeMirror.getAbstractItemRoot());
this.addItem(treeGrid);
ok.addClickHandler(
new ClickHandler() {
@Override
public void onClick(ClickEvent clickEvent) {
AbstractItem item =
(AbstractItem) treeGrid.getSelectedRecord().getAttributeAsObject("abstractItem");
item.setPath(item.getPath() + textItem.getEnteredValue());
repositoryToolsServices.createFolderIntoLocalRepository(
item,
new AsyncCallback<Boolean>() {
@Override
public void onFailure(Throwable throwable) {}
@Override
public void onSuccess(Boolean bool) {
hide();
Singleton.getInstance()
.loadFileSystem(
IHMcodeMirror.getAbstractItemRoot(), IHMcodeMirror.getSystemFileRoot());
}
});
}
});
}
public void update_profile(View view) {
progressDialog.setMessage("Loading");
progressDialog.show();
phone_number = (TextView) findViewById(R.id.phone_number_update);
location = (TextView) findViewById(R.id.location);
phone_number1 = phone_number.getText().toString();
location1 = location.getText().toString();
if (phone_number1.length() < 10 || location1.length() < 3) {
Toast.makeText(this, "Please ensure you have inserted all your details", Toast.LENGTH_LONG)
.show();
} else {
try {
StringRequest theReq =
new StringRequest(
Request.Method.POST,
"http://www.samuelagbede.com/coza_social/update_profile_details.php",
new Response.Listener<String>() {
@Override
public void onResponse(String response) {
progressDialog.hide();
Toast.makeText(Featured.this, "Successfully updated", Toast.LENGTH_LONG).show();
phone_number.setText("");
location.setText("");
}
},
new Response.ErrorListener() {
@Override
public void onErrorResponse(VolleyError error) {
progressDialog.hide();
Toast.makeText(
Featured.this,
"Not updated. Check your internet connection please",
Toast.LENGTH_LONG)
.show();
}
}) {
@Override
protected Map<String, String> getParams() {
Map<String, String> params = new HashMap<String, String>();
params.put("username", username1);
params.put("phone_number", phone_number1);
params.put("location", location1);
return params;
}
};
Singleton.getInstance(this).addToRequestQueue(theReq);
} catch (Exception e) {
e.printStackTrace();
}
}
}
public static void main(String[] args) {
// test for EasySingleton
EasySingleton es = EasySingleton.INSTANCE;
out.println(es);
// Test for DoubleCheckedLockingSingleton
DoubleCheckedLockingSingleton dels = DoubleCheckedLockingSingleton.getInstance();
out.println(dels);
// Test for Singleton
Singleton singleton = Singleton.getSingleton();
out.println(singleton);
}
public static void main(String[] args) {
Singleton s = Singleton.getReference();
System.out.println(s.getValue());
Singleton s2 = Singleton.getReference();
s2.setValue(9);
System.out.println(s.getValue());
try {
// Can't do this: compile-time error.
// Singleton s3 = (Singleton)s2.clone();
} catch (Exception e) {
e.printStackTrace(System.err);
}
}
public static void main(String[] args) {
System.out.println("Start der Tests...");
Singleton s1 = Singleton.getInstance();
Singleton s2 = Singleton.getInstance();
if (s1 == null) {
System.out.println("Fehler: getInstance liefert beim ersten Aufruf null zurueck.");
return;
}
if (s2 == null) {
System.out.println("Fehler: getInstance liefert beim zweiten Aufruf null zurueck.");
return;
}
s1.i = 17;
if (s2.i == 17) System.out.println("Ihre Singleton-Implementierung ist korrekt.");
else System.out.println("Ihre Singleton-Implementierung ist fehlerhaft.");
System.out.println("Testende");
}
public void comments_enter(View view) {
progressDialog.setMessage("Please hold on");
progressDialog.show();
final TextView comments = (TextView) findViewById(R.id.devo_comments);
comments1 = comments.getText().toString();
final String devo_id = Devotional.devotional_id;
if (comments1.equals("") || comments1.length() < 4) {
progressDialog.hide();
Toast.makeText(this, "Please enter a valid comment", Toast.LENGTH_LONG).show();
} else {
connectUrl = "http://www.samuelagbede.com/coza_social/insert_devotional_comments.php";
StringRequest jor =
new StringRequest(
Request.Method.POST,
connectUrl,
new Response.Listener<String>() {
@Override
public void onResponse(String response) {
Log.d("Comments Inserted", response);
progressDialog.hide();
Toast.makeText(Featured.this, "Comments entered successfully", Toast.LENGTH_LONG)
.show();
comments.setText(" ");
}
},
new Response.ErrorListener() {
@Override
public void onErrorResponse(VolleyError error) {
Log.d("Error", error.toString());
}
}) {
@Override
protected Map<String, String> getParams() {
Map<String, String> params = new HashMap<String, String>();
params.put("username", username1);
params.put("comments", comments1);
params.put("email_add", email_address1);
params.put("devotional", devo_id);
return params;
}
};
Singleton.getInstance(this).addToRequestQueue(jor);
}
}
public static void breakSingletonWithClone() {
System.out.println();
final String fileName = "singleton.ser";
// getting singleton instance
Singleton singleton = Singleton.getInstance();
singleton.setValue(10);
try {
Singleton clonedObject = (Singleton) singleton.clone();
System.out.println(clonedObject);
System.out.println(clonedObject.hashCode());
} catch (CloneNotSupportedException e) {
e.printStackTrace();
}
}
public static void breakSingletonWithReflection() {
System.out.println();
Singleton instanceOne = Singleton.getInstance();
instanceOne.printHashCode();
System.out.println(instanceOne.hashCode());
Singleton instanceTwo = null;
try {
Constructor<?>[] constructors = Singleton.class.getDeclaredConstructors();
for (Constructor<?> constructor : constructors) {
// should break the rule here.
constructor.setAccessible(true);
instanceTwo = (Singleton) constructor.newInstance();
break;
}
} catch (Exception e) {
e.printStackTrace();
}
instanceTwo.printHashCode();
System.out.println(instanceTwo.hashCode());
}
public static void main(String[] args) {
Singleton s1 = instance;
Singleton s2 = instance;
System.out.println(s1.hashCode() + " " + s2.hashCode());
}
@Test
public void singletonTest() {
// create singleton instances
final Singleton singleton1 = Singleton.getInstance();
final Singleton singleton2 = Singleton.getInstance();
final Singleton singleton3 = Singleton.getInstance();
// assert that the random number is the same thereby
// ensuring we are dealing with a single object instance
final int rand = singleton1.getRand();
assertEquals(rand, singleton2.getRand());
assertEquals(rand, singleton3.getRand());
// set a string message on a singleton
final String message = "Singleton2 message";
singleton2.setMessage(message);
// read the string message from the singletons
assertEquals(message, singleton1.getMessage());
assertEquals(message, singleton3.getMessage());
}
void setConsole(OperatorConsole c) {
instance.setConsole(c);
}
public ArrayList<Marker> getMarkers() {
return instance.getMarkers();
}
public boolean createVBSBoatProxy(int port) {
instance.createBoatProxy("http://localhost:" + port, Material.YELLOW);
return true;
}
public boolean createSimulatedBoatProxy(int port) {
instance.createBoatProxy("http://localhost:" + port, Material.CYAN);
return true;
}
