/**
* Execute {@code HelloWorld} example grid-enabled with {@code Gridify} annotation.
*
* @param args Command line arguments, none required but if provided first one should point to the
* Spring XML configuration file. See {@code "examples/config/"} for configuration file
* examples.
* @throws GridException If example execution failed.
*/
public static void main(String[] args) throws GridException {
if (args.length == 0) {
G.start();
} else {
G.start(args[0]);
}
try {
// This method will be executed on a remote grid nodes.
int phraseLen = sayIt("Hello World");
X.println(">>>");
X.println(">>> Finished executing Gridify \"Hello World\" example with custom task.");
X.println(">>> Total number of characters in the phrase is '" + phraseLen + "'.");
X.println(">>> You should see print out of 'Hello' on one node and 'World' on another node.");
X.println(">>> Check all nodes for output (this node is also part of the grid).");
X.println(">>>");
} finally {
G.stop(true);
}
}
/**
* Starts up grid and checks all provided values for prime.
*
* @param args Command line arguments, none required but if provided first one should point to the
* Spring XML configuration file. See {@code "examples/config/"} for configuration file
* examples.
* @throws GridException If example execution failed.
*/
public static void main(String[] args) throws GridException {
// Starts grid.
Grid grid = args.length == 0 ? G.start() : G.start(args[0]);
// Values we want to check for prime.
long[] checkVals = {32452841, 32452843, 32452847, 32452849, 236887699, 217645199};
X.println(">>>");
X.println(
">>> Starting to check the following numbers for primes: " + Arrays.toString(checkVals));
try {
long start = System.currentTimeMillis();
for (long checkVal : checkVals) {
// This method will be executed on the Grid as it is
// annotated with @Gridify annotation.
Long divisor = GridPrimeChecker.checkPrime(checkVal, 2, checkVal);
// If divisor is null, then the number is prime.
if (divisor == null) {
X.println("Value '" + checkVal + "'is a prime number.");
} else {
X.println("Value '" + checkVal + "' is divisible by '" + divisor + '\'');
}
}
long totalTime = System.currentTimeMillis() - start;
X.println(">>> Total time to calculate all primes (milliseconds): " + totalTime);
X.println(">>>");
} finally {
// Stops grid.
G.stop(grid.name(), true);
}
}