com.facebook.presto.execution.QueryStateMachine.transitionToRunning()方法的使用及代码示例

x33g5p2x  于2022-01-29 转载在 其他  
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本文整理了Java中com.facebook.presto.execution.QueryStateMachine.transitionToRunning方法的一些代码示例，展示了QueryStateMachine.transitionToRunning的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。QueryStateMachine.transitionToRunning方法的具体详情如下：
包路径：com.facebook.presto.execution.QueryStateMachine
类名称：QueryStateMachine
方法名：transitionToRunning

QueryStateMachine.transitionToRunning介绍

暂无

代码示例

代码示例来源：origin: prestodb/presto

@Override
public void start()
{
  try {
    // transition to running
    if (!stateMachine.transitionToRunning()) {
      // query already running or finished
      return;
    }
    ListenableFuture<?> future = task.execute(statement, transactionManager, metadata, accessControl, stateMachine, parameters);
    Futures.addCallback(future, new FutureCallback<Object>()
    {
      @Override
      public void onSuccess(@Nullable Object result)
      {
        stateMachine.transitionToFinishing();
      }
      @Override
      public void onFailure(Throwable throwable)
      {
        fail(throwable);
      }
    }, directExecutor());
  }
  catch (Throwable e) {
    fail(e);
    throwIfInstanceOf(e, Error.class);
  }
}

代码示例来源：origin: prestodb/presto

@Test
public void testRunning()
{
  QueryStateMachine stateMachine = createQueryStateMachine();
  assertTrue(stateMachine.transitionToRunning());
  assertState(stateMachine, RUNNING);
  assertFalse(stateMachine.transitionToPlanning());
  assertState(stateMachine, RUNNING);
  assertFalse(stateMachine.transitionToStarting());
  assertState(stateMachine, RUNNING);
  assertFalse(stateMachine.transitionToRunning());
  assertState(stateMachine, RUNNING);
  assertTrue(stateMachine.transitionToFinishing());
  tryGetFutureValue(stateMachine.getStateChange(FINISHING), 2, SECONDS);
  assertState(stateMachine, FINISHED);
  stateMachine = createQueryStateMachine();
  stateMachine.transitionToRunning();
  assertTrue(stateMachine.transitionToFailed(FAILED_CAUSE));
  assertState(stateMachine, FAILED, FAILED_CAUSE);
}

代码示例来源：origin: prestodb/presto

private static void assertFinalState(QueryStateMachine stateMachine, QueryState expectedState, Exception expectedException)
{
  assertTrue(expectedState.isDone());
  assertState(stateMachine, expectedState, expectedException);
  assertFalse(stateMachine.transitionToPlanning());
  assertState(stateMachine, expectedState, expectedException);
  assertFalse(stateMachine.transitionToStarting());
  assertState(stateMachine, expectedState, expectedException);
  assertFalse(stateMachine.transitionToRunning());
  assertState(stateMachine, expectedState, expectedException);
  assertFalse(stateMachine.transitionToFinishing());
  assertState(stateMachine, expectedState, expectedException);
  assertFalse(stateMachine.transitionToFailed(FAILED_CAUSE));
  assertState(stateMachine, expectedState, expectedException);
  // attempt to fail with another exception, which will fail
  assertFalse(stateMachine.transitionToFailed(new IOException("failure after finish")));
  assertState(stateMachine, expectedState, expectedException);
}

代码示例来源：origin: prestodb/presto

@Test
public void testBasicStateChanges()
{
  QueryStateMachine stateMachine = createQueryStateMachine();
  assertState(stateMachine, QUEUED);
  assertTrue(stateMachine.transitionToPlanning());
  assertState(stateMachine, PLANNING);
  assertTrue(stateMachine.transitionToStarting());
  assertState(stateMachine, STARTING);
  assertTrue(stateMachine.transitionToRunning());
  assertState(stateMachine, RUNNING);
  assertTrue(stateMachine.transitionToFinishing());
  tryGetFutureValue(stateMachine.getStateChange(FINISHING), 2, SECONDS);
  assertState(stateMachine, FINISHED);
}

代码示例来源：origin: prestodb/presto

queryStateMachine.transitionToRunning();

代码示例来源：origin: prestodb/presto

@Test
public void testStateChangesWithResourceWaiting()
{
  QueryStateMachine stateMachine = createQueryStateMachine();
  assertState(stateMachine, QUEUED);
  assertTrue(stateMachine.transitionToWaitingForResources());
  assertState(stateMachine, WAITING_FOR_RESOURCES);
  assertTrue(stateMachine.transitionToPlanning());
  assertState(stateMachine, PLANNING);
  assertTrue(stateMachine.transitionToStarting());
  assertState(stateMachine, STARTING);
  assertTrue(stateMachine.transitionToRunning());
  assertState(stateMachine, RUNNING);
  assertTrue(stateMachine.transitionToFinishing());
  tryGetFutureValue(stateMachine.getStateChange(FINISHING), 2, SECONDS);
  assertState(stateMachine, FINISHED);
}

代码示例来源：origin: prestodb/presto

@Test
public void testStarting()
{
  QueryStateMachine stateMachine = createQueryStateMachine();
  assertTrue(stateMachine.transitionToStarting());
  assertState(stateMachine, STARTING);
  assertFalse(stateMachine.transitionToPlanning());
  assertState(stateMachine, STARTING);
  assertFalse(stateMachine.transitionToStarting());
  assertState(stateMachine, STARTING);
  assertTrue(stateMachine.transitionToRunning());
  assertState(stateMachine, RUNNING);
  stateMachine = createQueryStateMachine();
  stateMachine.transitionToStarting();
  assertTrue(stateMachine.transitionToFinishing());
  tryGetFutureValue(stateMachine.getStateChange(FINISHING), 2, SECONDS);
  assertState(stateMachine, FINISHED);
  stateMachine = createQueryStateMachine();
  stateMachine.transitionToStarting();
  assertTrue(stateMachine.transitionToFailed(FAILED_CAUSE));
  assertState(stateMachine, FAILED, FAILED_CAUSE);
}

代码示例来源：origin: prestodb/presto

@Test
public void testPlanning()
{
  QueryStateMachine stateMachine = createQueryStateMachine();
  assertTrue(stateMachine.transitionToPlanning());
  assertState(stateMachine, PLANNING);
  assertFalse(stateMachine.transitionToPlanning());
  assertState(stateMachine, PLANNING);
  assertTrue(stateMachine.transitionToStarting());
  assertState(stateMachine, STARTING);
  stateMachine = createQueryStateMachine();
  stateMachine.transitionToPlanning();
  assertTrue(stateMachine.transitionToRunning());
  assertState(stateMachine, RUNNING);
  stateMachine = createQueryStateMachine();
  stateMachine.transitionToPlanning();
  assertTrue(stateMachine.transitionToFinishing());
  tryGetFutureValue(stateMachine.getStateChange(FINISHING), 2, SECONDS);
  assertState(stateMachine, FINISHED);
  stateMachine = createQueryStateMachine();
  stateMachine.transitionToPlanning();
  assertTrue(stateMachine.transitionToFailed(FAILED_CAUSE));
  assertState(stateMachine, FAILED, FAILED_CAUSE);
}

代码示例来源：origin: prestodb/presto

assertTrue(stateMachine.transitionToRunning());
assertState(stateMachine, RUNNING);

代码示例来源：origin: uk.co.nichesolutions.presto/presto-main

@Override
public void start()
{
  try {
    // transition to running
    if (!stateMachine.transitionToRunning()) {
      // query already running or finished
      return;
    }
    CompletableFuture<?> future = task.execute(statement, transactionManager, metadata, accessControl, stateMachine);
    future.whenComplete((o, throwable) -> {
      if (throwable == null) {
        stateMachine.transitionToFinishing();
      }
      else {
        fail(throwable);
      }
    });
  }
  catch (Throwable e) {
    fail(e);
    if (!(e instanceof RuntimeException)) {
      throw Throwables.propagate(e);
    }
  }
}

代码示例来源：origin: uk.co.nichesolutions.presto/presto-main

queryStateMachine.transitionToRunning();

代码示例来源：origin: uk.co.nichesolutions.presto/presto-main

@Test
public void testRunning()
    throws InterruptedException
{
  QueryStateMachine stateMachine = createQueryStateMachine();
  assertTrue(stateMachine.transitionToRunning());
  assertState(stateMachine, RUNNING);
  assertFalse(stateMachine.transitionToPlanning());
  assertState(stateMachine, RUNNING);
  assertFalse(stateMachine.transitionToStarting());
  assertState(stateMachine, RUNNING);
  assertFalse(stateMachine.transitionToRunning());
  assertState(stateMachine, RUNNING);
  assertTrue(stateMachine.transitionToFinishing());
  stateMachine.waitForStateChange(FINISHING, new Duration(2, TimeUnit.SECONDS));
  assertState(stateMachine, FINISHED);
  stateMachine = createQueryStateMachine();
  stateMachine.transitionToRunning();
  assertTrue(stateMachine.transitionToFailed(FAILED_CAUSE));
  assertState(stateMachine, FAILED);
}

代码示例来源：origin: uk.co.nichesolutions.presto/presto-main

private static void assertFinalState(QueryStateMachine stateMachine, QueryState expectedState)
{
  assertTrue(expectedState.isDone());
  assertState(stateMachine, expectedState);
  assertFalse(stateMachine.transitionToPlanning());
  assertState(stateMachine, expectedState);
  assertFalse(stateMachine.transitionToStarting());
  assertState(stateMachine, expectedState);
  assertFalse(stateMachine.transitionToRunning());
  assertState(stateMachine, expectedState);
  assertFalse(stateMachine.transitionToFinishing());
  assertState(stateMachine, expectedState);
  assertFalse(stateMachine.transitionToFailed(FAILED_CAUSE));
  assertState(stateMachine, expectedState);
  // attempt to fail with another exception, which will fail
  assertFalse(stateMachine.transitionToFailed(new IOException("failure after finish")));
  assertState(stateMachine, expectedState);
}

代码示例来源：origin: uk.co.nichesolutions.presto/presto-main

@Test
public void testBasicStateChanges()
    throws InterruptedException
{
  QueryStateMachine stateMachine = createQueryStateMachine();
  assertState(stateMachine, QUEUED);
  assertTrue(stateMachine.transitionToPlanning());
  assertState(stateMachine, PLANNING);
  assertTrue(stateMachine.transitionToStarting());
  assertState(stateMachine, STARTING);
  assertTrue(stateMachine.transitionToRunning());
  assertState(stateMachine, RUNNING);
  assertTrue(stateMachine.transitionToFinishing());
  stateMachine.waitForStateChange(FINISHING, new Duration(2, TimeUnit.SECONDS));
  assertState(stateMachine, FINISHED);
}

代码示例来源：origin: uk.co.nichesolutions.presto/presto-main

@Test
public void testStarting()
    throws InterruptedException
{
  QueryStateMachine stateMachine = createQueryStateMachine();
  assertTrue(stateMachine.transitionToStarting());
  assertState(stateMachine, STARTING);
  assertFalse(stateMachine.transitionToPlanning());
  assertState(stateMachine, STARTING);
  assertFalse(stateMachine.transitionToStarting());
  assertState(stateMachine, STARTING);
  assertTrue(stateMachine.transitionToRunning());
  assertState(stateMachine, RUNNING);
  stateMachine = createQueryStateMachine();
  stateMachine.transitionToStarting();
  assertTrue(stateMachine.transitionToFinishing());
  stateMachine.waitForStateChange(FINISHING, new Duration(2, TimeUnit.SECONDS));
  assertState(stateMachine, FINISHED);
  stateMachine = createQueryStateMachine();
  stateMachine.transitionToStarting();
  assertTrue(stateMachine.transitionToFailed(FAILED_CAUSE));
  assertState(stateMachine, FAILED);
}

代码示例来源：origin: uk.co.nichesolutions.presto/presto-main

@Test
public void testQueued()
    throws InterruptedException
{
  QueryStateMachine stateMachine = createQueryStateMachine();
  assertState(stateMachine, QUEUED);
  assertTrue(stateMachine.transitionToPlanning());
  assertState(stateMachine, PLANNING);
  stateMachine = createQueryStateMachine();
  assertTrue(stateMachine.transitionToStarting());
  assertState(stateMachine, STARTING);
  stateMachine = createQueryStateMachine();
  assertTrue(stateMachine.transitionToRunning());
  assertState(stateMachine, RUNNING);
  stateMachine = createQueryStateMachine();
  assertTrue(stateMachine.transitionToFinishing());
  stateMachine.waitForStateChange(FINISHING, new Duration(2, TimeUnit.SECONDS));
  assertState(stateMachine, FINISHED);
  stateMachine = createQueryStateMachine();
  assertTrue(stateMachine.transitionToFailed(FAILED_CAUSE));
  assertState(stateMachine, FAILED);
}

代码示例来源：origin: uk.co.nichesolutions.presto/presto-main

@Test
public void testPlanning()
    throws InterruptedException
{
  QueryStateMachine stateMachine = createQueryStateMachine();
  assertTrue(stateMachine.transitionToPlanning());
  assertState(stateMachine, PLANNING);
  assertFalse(stateMachine.transitionToPlanning());
  assertState(stateMachine, PLANNING);
  assertTrue(stateMachine.transitionToStarting());
  assertState(stateMachine, STARTING);
  stateMachine = createQueryStateMachine();
  stateMachine.transitionToPlanning();
  assertTrue(stateMachine.transitionToRunning());
  assertState(stateMachine, RUNNING);
  stateMachine = createQueryStateMachine();
  stateMachine.transitionToPlanning();
  assertTrue(stateMachine.transitionToFinishing());
  stateMachine.waitForStateChange(FINISHING, new Duration(2, TimeUnit.SECONDS));
  assertState(stateMachine, FINISHED);
  stateMachine = createQueryStateMachine();
  stateMachine.transitionToPlanning();
  assertTrue(stateMachine.transitionToFailed(FAILED_CAUSE));
  assertState(stateMachine, FAILED);
}

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