listexample.java

这是使用Amino并发编程Java API库编写的List线程安全的Java程序。

package org.amino.examples;

import java.util.List;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.atomic.AtomicInteger;

import org.amino.ds.lockfree.LockFreeList;

public class ListExample {

	private static final int ELEMENT_NUM = 1000;

	public static void main(String[] argvs) {
		ExecutorService exec = Executors.newCachedThreadPool();

		final List<String> listStr = new LockFreeList<String>();

		for (int i = 0; i < ELEMENT_NUM; ++i) {
			exec.submit(new ListInsTask(listStr));
		}

		exec.shutdown();
		try {
			exec.awaitTermination(600, TimeUnit.SECONDS);
		} catch (InterruptedException e) {
			e.printStackTrace();
		}

		System.out.println("Size of list is " + listStr.size());

		for (int i = 1; i <= ELEMENT_NUM; ++i) {
			if (!listStr.contains(i)) {
				System.out.println("didn't find " + i);
			}
		}
	}

}

class ListInsTask implements Runnable {
	private static AtomicInteger count = new AtomicInteger();
	List list;

	public ListInsTask(List l) {
		list = l;
	}

	public void run() {
		if (!list.add(count.incrementAndGet())) {
			System.out.println("did not insert " + count.get());
		}
	}
}