/**
* Execute {@code HelloWorld} example on the grid.
*
* @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 {
Grid grid = G.grid();
// Execute Hello World task.
GridTaskFuture<Integer> fut = grid.execute(GridHelloWorldTask.class, "Hello World");
// Wait for task completion.
int phraseLen = fut.get();
X.println(">>>");
X.println(">>> Finished executing Grid \"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);
}
}
/**
* Executes {@link GridSegmentATask} and {@link GridSegmentBTask} tasks on the grid.
*
* @param args Command line arguments, none required or used.
* @throws GridException If example execution failed.
*/
public static void main(String[] args) throws GridException {
AbstractApplicationContext ctx =
new ClassPathXmlApplicationContext("org/gridgain/examples/multispi/master.xml");
// Get configuration from Spring.
GridConfiguration cfg = ctx.getBean("grid.cfg", GridConfiguration.class);
G.start(cfg);
try {
Grid grid = G.grid();
// Execute task on segment "A".
GridTaskFuture<Integer> futA = grid.execute(GridSegmentATask.class, null);
// Execute task on segment "B".
GridTaskFuture<Integer> futB = grid.execute(GridSegmentBTask.class, null);
// Wait for task completion.
futA.get();
futB.get();
X.println(">>>");
X.println(">>> Finished executing Grid \"Multiple Topology\" example with custom tasks.");
X.println(
">>> You should see print out of 'Executing job on node that is from segment A.'"
+ "on node that has attribute \"segment=A\"");
X.println(
">>> and 'Executing job on node that is from segment B.' on node that has "
+ "attribute \"segment=B\"");
X.println(">>> Check all nodes for output (this node is not a part of the grid).");
X.println(">>>");
} finally {
G.stop(true);
}
}
/**
* Get the next result if it is available (within the timeout specified in the gateway), otherwise
* do nothing.
*
* @throws AsynchronousFailureException If there is a response and it contains a failed chunk
* response.
* @throws IllegalStateException if the result contains the wrong job instance id (maybe we are
* sharing a channel and we shouldn't be)
*/
private void getNextResult() {
ChunkResponse payload = null;
// Retrieve first finished task found
Iterator<GridTaskFuture<ChunkResponse>> iterator = futures.iterator();
while (iterator.hasNext()) {
GridTaskFuture<ChunkResponse> future = iterator.next();
if (future.isDone()) {
try {
payload = future.get();
} catch (GridException e) {
throw new AsynchronousFailureException(
"Exception occured during GridGain task execution: " + e);
}
iterator.remove();
break;
}
}
if (payload != null) {
Long jobInstanceId = payload.getJobId();
Assert.state(jobInstanceId != null, "Message did not contain job instance id.");
Assert.state(
jobInstanceId.equals(localState.getJobId()),
"Message contained wrong job instance id ["
+ jobInstanceId
+ "] should have been ["
+ localState.getJobId()
+ "].");
localState.actual++;
// TODO: apply the skip count
if (!payload.isSuccessful()) {
throw new AsynchronousFailureException(
"Failure or interrupt detected in handler: " + payload.getMessage());
}
}
}
/**
* Runs all tests belonging to this test suite on the grid.
*
* @param result Test result collector.
*/
@Override
public void run(TestResult result) {
if (isDisabled) {
copy.run(result);
} else {
GridTestRouter router = createRouter();
Grid grid = startGrid();
try {
List<GridTaskFuture<?>> futs = new ArrayList<GridTaskFuture<?>>(testCount());
List<GridJunit3SerializableTest> tests =
new ArrayList<GridJunit3SerializableTest>(testCount());
for (int i = 0; i < testCount(); i++) {
Test junit = testAt(i);
GridJunit3SerializableTest test;
if (junit instanceof TestSuite) {
test = new GridJunit3SerializableTestSuite((TestSuite) junit);
} else {
assert junit instanceof TestCase
: "Test must be either TestSuite or TestCase: " + junit;
test = new GridJunit3SerializableTestCase((TestCase) junit);
}
tests.add(test);
if (clsLdr == null) {
clsLdr = U.detectClassLoader(junit.getClass());
}
futs.add(
grid.execute(
new GridJunit3Task(junit.getClass(), clsLdr),
new GridJunit3Argument(router, test, locTests.contains(test.getName())),
timeout));
}
for (int i = 0; i < testCount(); i++) {
GridTaskFuture<?> fut = futs.get(i);
GridJunit3SerializableTest origTest = tests.get(i);
try {
GridJunit3SerializableTest resTest = (GridJunit3SerializableTest) fut.get();
origTest.setResult(resTest);
origTest.getTest().run(result);
} catch (GridException e) {
handleFail(result, origTest, e);
}
}
} finally {
stopGrid();
}
}
}