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java.lang.Object org.apache.hadoop.hive.ql.DriverContext
public class DriverContext
DriverContext.
Constructor Summary | |
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DriverContext()
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DriverContext(Context ctx)
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Method Summary | |
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boolean |
addToRunnable(Task<? extends Serializable> tsk)
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void |
finished(TaskRunner runner)
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Context |
getCtx()
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int |
getCurJobNo()
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Task<? extends Serializable> |
getRunnable(int maxthreads)
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void |
incCurJobNo(int amount)
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static boolean |
isLaunchable(Task<? extends Serializable> tsk)
Checks if a task can be launched. |
boolean |
isRunning()
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boolean |
isShutdown()
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void |
launching(TaskRunner runner)
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TaskRunner |
pollFinished()
Polls running tasks to see if a task has ended. |
void |
prepare(QueryPlan plan)
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void |
prepare(TaskRunner runner)
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void |
remove(Task<? extends Serializable> task)
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void |
shutdown()
Cleans up remaining tasks in case of failure |
Methods inherited from class java.lang.Object |
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equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
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public DriverContext()
public DriverContext(Context ctx)
Method Detail |
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public boolean isShutdown()
public boolean isRunning()
public void remove(Task<? extends Serializable> task)
public void launching(TaskRunner runner) throws HiveException
HiveException
public Task<? extends Serializable> getRunnable(int maxthreads) throws HiveException
HiveException
public TaskRunner pollFinished() throws InterruptedException
InterruptedException
public void shutdown()
public static boolean isLaunchable(Task<? extends Serializable> tsk)
tsk
- the task to be checked
public boolean addToRunnable(Task<? extends Serializable> tsk) throws HiveException
HiveException
public int getCurJobNo()
public Context getCtx()
public void incCurJobNo(int amount)
public void prepare(QueryPlan plan)
public void prepare(TaskRunner runner)
public void finished(TaskRunner runner)
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