하나 간주한다. 주 스레드에서 대기열을 초기화해야합니다. 블로킹 큐에 쓰는 예제가 있고 스레드의 블로킹 큐에서 읽는 방법을 보여줍니다. 이 예제는 스레드 내에서 블로킹 큐에 대한 읽기/쓰기 작업에 쉽게 적용 할 수 있습니다. 스레드를 종료하려면 스레드를 읽을 때 차단할 수있는 차단 대기열에 감시 값을 쓸 수 있습니다.
주요 드라이버 :
public static void main(String[] args) {
// A blocking queue used to pass strings to threads
BlockingQueue<Entry<String> sharedQueue = new LinkedBlockingQueue< String>();
// The number of cores available on the running machine
// Note: if Hyper Threading is enabled this will be double the number of
// physical cores
int numCores = Runtime.getRuntime().availableProcessors();
// Create a thread pool of size equal to numCores
ExecutorService threadPool = Executors.newFixedThreadPool(numCores);
// Initialize all of the Tasks and add them to the thread pool
for (int i = 0; i < numCores; i++) {
Runnable task = new WellFormedStringRunnable(sharedQueue);
threadPool.execute(task);
}
// Do not allow any more tasks to be added and wait for all tasks to be
// completed before shutting down the executor
threadPool.shutdown();
// Read form STDIN and add each line to the shared queue
try (BufferedReader br = new BufferedReader(new InputStreamReader(System.in))) {
// The current line
String input;
// Continue processing until a null character has been reached
while ((input = br.readLine()) != null) {
// Add the tuple (line number, string) to the shared queue
try {
sharedQueue.put(input);
} catch (InterruptedException e) {
System.err.println("Error accessing shared queue: "
+ e.getMessage());
threadPool.shutdownNow();
System.exit(1);
}
}
} catch (IOException e) {
System.err.println("Error reading from STDIN: " + e.getMessage());
System.exit(1);
}
// Allow all threads to complete
try {
threadPool.awaitTermination(Long.MAX_VALUE, TimeUnit.NANOSECONDS);
} catch (InterruptedException e) {
// If the shared queue throws an exception, display the error and
// shutdown all running tasks
System.err.println("Error while waiting for threads to terminate: "
+ e.getMessage());
threadPool.shutdownNow();
System.exit(1);
}
}
스레드 코드 :
public class RunnableThread implements Runnable {
/** A blocking queue used to retrieve strings */
private final BlockingQueue<String> sharedQueue;
public RunnableThread(BlockingQueue<String> sharedQueue) {
this.sharedQueue = sharedQueue;
}
@Override
public void run() {
// Used to hold a value from the shared queue
String currValue = null;
// Continue to process strings while the thread is not interrupted and
while (!Thread.currentThread().isInterrupted()) {
try {
// Get a string from the shared queue
currValue = this.sharedQueue.take();
// Process Strings
} catch (InterruptedException e) {
Thread.currentThread().interrupt();
}
}
}
}
실제로 여기, 성취하려는거야? –
... 강제로 다른 스레드를 죽이는 것은 거의 항상 나쁜 생각이기 때문에. –