public static void main(String[] args) {
int T = Integer.valueOf(args[0]);
Counter heads = new Counter("heads");
Counter tails = new Counter("tails");
for (int i = 0; i < T; i++) {
if (StdRandom.bernoulli(0.5)) {
heads.increment();
} else {
tails.increment();
}
}
StdOut.println(heads);
StdOut.println(tails);
int d = heads.tally() - tails.tally();
StdOut.println("delta:" + java.lang.Math.abs(d));
}
public IotHubMessageResult execute(Message msg, Object context) {
Counter counter = (Counter) context;
System.out.println(
"Received message "
+ counter.toString()
+ " with content: "
+ new String(msg.getBytes(), Message.DEFAULT_IOTHUB_MESSAGE_CHARSET));
int switchVal = counter.get() % 3;
IotHubMessageResult res;
switch (switchVal) {
case 0:
res = IotHubMessageResult.COMPLETE;
break;
case 1:
res = IotHubMessageResult.ABANDON;
break;
case 2:
res = IotHubMessageResult.REJECT;
break;
default:
// should never happen.
throw new IllegalStateException("Invalid message result specified.");
}
System.out.println("Responding to message " + counter.toString() + " with " + res.name());
counter.increment();
return res;
}
/** Unit tests the <tt>com.akieus.algos.coursera.lib.Interval2D</tt> data type. */
public static void main(String[] args) {
double xlo = Double.parseDouble(args[0]);
double xhi = Double.parseDouble(args[1]);
double ylo = Double.parseDouble(args[2]);
double yhi = Double.parseDouble(args[3]);
int T = Integer.parseInt(args[4]);
Interval1D xinterval = new Interval1D(xlo, xhi);
Interval1D yinterval = new Interval1D(ylo, yhi);
Interval2D box = new Interval2D(xinterval, yinterval);
box.draw();
Counter counter = new Counter("hits");
for (int t = 0; t < T; t++) {
double x = StdRandom.uniform(0.0, 1.0);
double y = StdRandom.uniform(0.0, 1.0);
Point2D p = new Point2D(x, y);
if (box.contains(p)) counter.increment();
else p.draw();
}
StdOut.println(counter);
StdOut.printf("box area = %.2f\n", box.area());
}
public void addValue(int value) {
Object count = counts.get(value);
if (count == null) {
count = new Counter();
counts.put(value, count);
}
((Counter) count).increment();
total++;
}
private void addEvent(Event event) {
this.numEvents++;
String lexString = toLexicographicSortedString(event);
Counter counter = this.events.get(lexString);
if (counter == null) {
counter = new Counter();
this.events.put(lexString, counter);
}
counter.increment();
}
public void addColor(final HSBColor color) {
if (!color.hasTransparency()) {
Counter counter = colors.get(color);
if (counter == null) {
counter = new Counter();
colors.put(color, counter);
}
counter.increment();
}
}
public IotHubMessageResult execute(Message msg, Object context) {
Counter counter = (Counter) context;
System.out.println(
"Received message "
+ counter.toString()
+ " with content: "
+ new String(msg.getBytes(), Message.DEFAULT_IOTHUB_MESSAGE_CHARSET));
counter.increment();
return IotHubMessageResult.COMPLETE;
}
public static void main(String[] args) {
/* The following test code is just an example of how you can write
* a simple test program to check the basic functionality of your class
* works as you expect. The primary aim is to test each constructor and
* method - there are many combinations of how you could go about this.
* For more complex classes and/or methods you may write several different
* tests for each method to check boundary cases for example.
*/
System.out.println("Testing default constructor initialisation and get method...");
Counter c = new Counter();
System.out.println("Expected 0: Actual: " + c.getCount());
System.out.println("Testing increment method...");
c.increment();
c.increment();
System.out.println("Expected 2: Actual: " + c.getCount());
System.out.println("Testing set method...");
c.setCount(10);
System.out.println("Expected 10: Actual: " + c.getCount());
System.out.println("Testing custom constructor initialisation...");
Counter c1 =
new Counter(
5); // Note: creating a second object instance of the Counter class (which has its own
// state)
System.out.println("Expected 5: Actual: " + c1.getCount());
System.out.println("Testing reset method...");
c1.reset();
System.out.println("Expected 0: Actual: " + c1.getCount());
System.out.println("Testing toString method...");
System.out.println("Expected count=0: Actual: " + c1.toString());
System.out.println("Testing decrement method..");
c.decrement();
c.decrement();
System.out.println("Expected 1: Actual:" + c.getCount());
Counter launch = new Counter();
launch.incremendBy(10);
while (!launch.isZero()) {
System.out.print(launch.getCount() + " ");
launch.decrement();
}
System.out.print("Blast off!");
}
public void testNumber() {
Counter ct = CounterFactory.createCounter("testNumber", Type.NUMBER);
assertEquals("Default value", 0.0, ct.nextValue(), delta);
ct.setRawValue(10.0);
assertEquals("setRawValue", 10.0, ct.nextValue(), delta);
ct.increment();
assertEquals("increment", 11.0, ct.nextValue(), delta);
ct.incrementBy(2.0);
assertEquals("incrementBy", 13.0, ct.nextValue(), delta);
ct.decrement();
assertEquals("decrement", 12.0, ct.nextValue(), delta);
}
public static void main(String[] args) {
System.out.println("This programs tests the features of the counter class.");
Counter c1 = new Counter(), c2 = new Counter();
tester(c1, c2);
c2.decrement();
tester(c1, c2);
c1.setCounter(0);
c2.increment();
tester(c1, c2);
c2.setCounter(c1.getCounter());
tester(c1, c2);
c1.decrement();
tester(c1, c2);
System.out.println("Test complete.");
}
/** Like {#getColorRatio}, except it groups similar colours together. */
public List<ColorCount> getSimilarColorRatio() {
final List<ColorCount> colorRatio = getColorRatio();
Map<HSBColor, Counter> similarColors = new HashMap<HSBColor, Counter>();
for (final ColorCount colorCount : colorRatio) {
HSBColor similarColor = findSimilarColor(colorCount.getColor(), similarColors);
Counter counter;
if (similarColor != null) {
counter = similarColors.get(similarColor);
} else {
// No similar color found
counter = new Counter();
similarColors.put(colorCount.getColor(), counter);
}
counter.increment(colorCount.getCount());
}
return convertMapToList(similarColors);
}
@Override
public void visitToken(DetailAST ast) {
final int tokenType = ast.getType();
if (tokenType == TokenTypes.CLASS_DEF
|| tokenType == TokenTypes.METHOD_DEF
|| tokenType == TokenTypes.CTOR_DEF
|| tokenType == TokenTypes.STATIC_INIT
|| tokenType == TokenTypes.INSTANCE_INIT) {
// add a counter for this class/method
counters.push(new Counter());
}
// check if token is countable
if (isCountable(ast)) {
// increment the stacked counters
for (final Counter counter : counters) {
counter.increment();
}
}
}
public void increment(long time) {
super.increment();
counter.addAndGet(time);
}
public void run() {
for (int i = 0; i < 1000000; i++) Counter.increment();
}
protected void revisionToInstance() {
synchronized (recursionCounter) {
if (underConstruction) {
// Return if revisionToInstance was called before to avoid doubled calls
return;
}
underConstruction = true;
InternalCDORevision revision = cdoRevision();
if (TRACER.isEnabled()) {
TRACER.format(
"Transfering revision to instance: {0} --> {1}", revision, instance); // $NON-NLS-1$
}
boolean deliver = instance.eDeliver();
if (deliver) {
instance.eSetDeliver(false);
}
Counter counter = recursionCounter.get();
if (counter == null) {
counter = new Counter();
recursionCounter.set(counter);
}
InternalCDOResource resource = null;
boolean bypassPermissionChecks = revision.bypassPermissionChecks(true);
try {
registerWrapper(this);
counter.increment();
viewAndState.view.registerObject(this);
revisionToInstanceResource();
revisionToInstanceContainer();
Resource eResource = instance.eResource();
if (eResource instanceof InternalCDOResource) {
resource = (InternalCDOResource) eResource;
resource.cdoInternalLoading(instance);
}
for (EStructuralFeature feature : classInfo.getAllPersistentFeatures()) {
revisionToInstanceFeature(feature);
}
} catch (RuntimeException ex) {
OM.LOG.error(ex);
throw ex;
} catch (Exception ex) {
OM.LOG.error(ex);
throw new CDOException(ex);
} finally {
try {
revision.bypassPermissionChecks(bypassPermissionChecks);
if (resource != null) {
resource.cdoInternalLoadingDone(instance);
}
if (deliver) {
instance.eSetDeliver(true);
}
} finally {
if (counter.decrement() == 0) {
recursionCounter.remove();
}
unregisterWrapper(this);
underConstruction = false;
}
}
}
}
