在这个例子中,我提交了几个文件到我的比较对象。它一切正常,但我注意到提交文件的顺序并不总是与它们返回的顺序相同。有关如何更好地控制此问题的任何建议?如何控制Java期货被“提交”的订单?
ExecutorService pool = Executors.newFixedThreadPool(5);
CompletionService<Properties> completion = new ExecutorCompletionService<Properties>(pool);
for (String target : p.getTargetFiles()) {
completion.submit(new PropertiesLoader(target, p));
}
for (@SuppressWarnings("unused")
String target : p.getTargetFiles()) {
Properties r = null;
try {
r = completion.take().get();
} catch (InterruptedException e) {
e.printStackTrace();
} catch (ExecutionException e) {
e.printStackTrace();
}
p.addTargetFilesProperties(r);
}
pool.shutdown();