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;
}
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!");
}
