1. Executor
2. Promise
3. ExecutorServiceProvider
import org.osgi.service.enroute.executor.Executor;
import org.osgi.service.enroute.executor.ExecutorServiceProvider;
import org.osgi.util.promise.Promise;
public class ParallelTaskExecutor {
private final Executor executor;
public ParallelTaskExecutor(ExecutorServiceProvider executorProvider) {
executor = executorProvider.getExecutor();
}
public void executeParallelTasks() {
// Create promises for each task
Promise<Result1> promise1 = executor.submit(() -> task1());
Promise<Result2> promise2 = executor.submit(() -> task2());
// Handle task results asynchronously using promises
promise1.then(result1 -> {
// Process result1
}).onFailure(throwable -> {
// Handle task1 failure
});
promise2.then(result2 -> {
// Process result2
}).onFailure(throwable -> {
// Handle task2 failure
});
// Wait for all tasks to complete
Promise.all(promise1, promise2).then(results -> {
// Handle overall completion
}).onFailure(throwable -> {
// Handle overall failure
});
}
private Result1 task1() {
// Perform task1 and return the result
}
private Result2 task2() {
// Perform task2 and return the result
}
}
