org.apache.lens.server.query

Class QueryExecutionServiceImpl.RewriteEstimateRunnable

java.lang.Object

org.apache.lens.server.query.QueryExecutionServiceImpl.RewriteEstimateRunnable

All Implemented Interfaces:

Runnable

Enclosing class:

QueryExecutionServiceImpl

public class QueryExecutionServiceImpl.RewriteEstimateRunnable
extends Object
implements Runnable

Chains driver specific rewrite and estimate of the query in a single runnable, which can be processed in a background thread

Constructor Summary

Constructors

Constructor and Description
RewriteEstimateRunnable(LensDriver driver, RewriteUtil.DriverRewriterRunnable rewriterRunnable, AbstractQueryContext.DriverEstimateRunnable estimateRunnable, AbstractQueryContext ctx, CountDownLatch estimateCompletionLatch)

Method Summary

Modifier and Type	Method and Description
LensException	getCause()
LensDriver	getDriver()
String	getFailureCause()
boolean	isCompleted()
boolean	isSucceeded()
void	run()

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

RewriteEstimateRunnable

public RewriteEstimateRunnable(LensDriver driver,
                               RewriteUtil.DriverRewriterRunnable rewriterRunnable,
                               AbstractQueryContext.DriverEstimateRunnable estimateRunnable,
                               AbstractQueryContext ctx,
                               CountDownLatch estimateCompletionLatch)

Method Detail

run

public void run()

Specified by:

run in interface Runnable

getDriver

@Generated(value="lombok")
public LensDriver getDriver()

isSucceeded

@Generated(value="lombok")
public boolean isSucceeded()

getFailureCause

@Generated(value="lombok")
public String getFailureCause()

getCause

@Generated(value="lombok")
public LensException getCause()

isCompleted

@Generated(value="lombok")
public boolean isCompleted()