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Solution.java
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157 lines (132 loc) · 5.13 KB
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//Jesus answered him, "Because I told you, 'I saw you underneath the fig tree,' do you believe? You will see greater things than these!" (John 1:50)
package com.javarush.task.task26.task2605;
import java.util.concurrent.Executors;
import java.util.concurrent.ScheduledExecutorService;
import java.util.concurrent.TimeUnit;
/*
Трудолюбие - душа всякого дела и залог благосостояния
*/
public class Solution {
private static ScheduledExecutorService interruptScheduledExecutor;
private static Thread taskThread;
private static RethrowableTask task;
public static void main(String[] args) throws Exception {
runTaskBySchedule(new Runnable() {
@Override
public void run() {
System.out.println("A");
throw new RuntimeException("it's test");
}
}, 1_000, TimeUnit.MILLISECONDS
);
interruptScheduledExecutor.shutdown();
}
public static void runTaskBySchedule(final Runnable runnable, long timeout, TimeUnit unit) throws Exception {
task = new RethrowableTask(runnable);
taskThread = new Thread(task);
taskThread.start();
interruptScheduledExecutor = Executors.newScheduledThreadPool(1);
interruptScheduledExecutor.schedule(new Runnable() {
public void run() {
taskThread.interrupt();
}
}, timeout, unit);
Thread.sleep(unit.toMillis(timeout));
try {
task.rethrow();
} catch (Throwable throwable) {
System.out.println(throwable.getMessage());
}
}
public static class RethrowableTask implements Runnable {
private volatile Throwable throwable;
private Runnable runnable;
public RethrowableTask(Runnable runnable) {
this.runnable = runnable;
}
public void run() {
try {
runnable.run();
} catch (Throwable throwable) {
this.throwable = throwable;
}
}
public void rethrow() throws Exception {
if (throwable != null) {
System.out.println("B");
throw new Exception(throwable);
}
}
}
}
/*
Трудолюбие - душа всякого дела и залог благосостояния
Расставь volatile там, где необходимо.
Требования:
1. Класс Solution должен содержать private static поле ScheduledExecutorService interruptScheduledExecutor.
2. Класс Solution должен содержать private static поле Thread taskThread.
3. Класс Solution должен содержать private static поле RethrowableTask task.
4. Класс RethrowableTask должен содержать private поле Throwable throwable.
5. Класс RethrowableTask должен содержать private поле Runnable runnable.
6. Расставь volatile там, где необходимо.
package com.javarush.task.task26.task2605;
import java.util.concurrent.Executors;
import java.util.concurrent.ScheduledExecutorService;
import java.util.concurrent.TimeUnit;
*
Трудолюбие - душа всякого дела и залог благосостояния
*
public class Solution {
private static ScheduledExecutorService interruptScheduledExecutor;
private static Thread taskThread;
private static RethrowableTask task;
public static void main(String[] args) throws Exception {
runTaskBySchedule(new Runnable() {
@Override
public void run() {
System.out.println("A");
throw new RuntimeException("it's test");
}
}, 1_000, TimeUnit.MILLISECONDS
);
interruptScheduledExecutor.shutdown();
}
public static void runTaskBySchedule(final Runnable runnable, long timeout, TimeUnit unit) throws Exception {
task = new RethrowableTask(runnable);
taskThread = new Thread(task);
taskThread.start();
interruptScheduledExecutor = Executors.newScheduledThreadPool(1);
interruptScheduledExecutor.schedule(new Runnable() {
public void run() {
taskThread.interrupt();
}
}, timeout, unit);
Thread.sleep(unit.toMillis(timeout));
try {
task.rethrow();
} catch (Throwable throwable) {
System.out.println(throwable.getMessage());
}
}
public static class RethrowableTask implements Runnable {
private Throwable throwable;
private Runnable runnable;
public RethrowableTask(Runnable runnable) {
this.runnable = runnable;
}
public void run() {
try {
runnable.run();
} catch (Throwable throwable) {
this.throwable = throwable;
}
}
public void rethrow() throws Exception {
if (throwable != null) {
System.out.println("B");
throw new Exception(throwable);
}
}
}
}
*/