Class ResultIteratorUtils

java.lang.Object

se.liu.ida.hefquin.engine.queryplan.executable.impl.iterbased.ResultIteratorUtils

public class ResultIteratorUtils
extends Object

Constructor Summary

Constructors

Constructor	Description
ResultIteratorUtils()

Method Summary

Modifier and Type	Method	Description
protected static List<Exception>	mergeLists(List<Exception>... lists)
static List<Exception>	tryGetExceptionsOfProducingOperator(ResultElementIterator it)
static List<Exception>	tryGetExceptionsOfProducingSubPlan(ResultElementIterator it)
static ExecutableOperator	tryGetProducingOperator(ResultElementIterator it)
static ExecutableOperatorStats	tryGetStatsOfProducingOperator(ResultElementIterator it)
static ExecutablePlanStats	tryGetStatsOfProducingSubPlan(ResultElementIterator it)

Methods inherited from class java.lang.Object

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

Constructor Details

ResultIteratorUtils

public ResultIteratorUtils()

Method Details

tryGetStatsOfProducingSubPlan

public static ExecutablePlanStats tryGetStatsOfProducingSubPlan(ResultElementIterator it)

tryGetStatsOfProducingOperator

public static ExecutableOperatorStats tryGetStatsOfProducingOperator(ResultElementIterator it)

tryGetProducingOperator

public static ExecutableOperator tryGetProducingOperator(ResultElementIterator it)

tryGetExceptionsOfProducingSubPlan

public static List<Exception> tryGetExceptionsOfProducingSubPlan(ResultElementIterator it)

tryGetExceptionsOfProducingOperator

public static List<Exception> tryGetExceptionsOfProducingOperator(ResultElementIterator it)

mergeLists

@SafeVarargs
protected static List<Exception> mergeLists(List<Exception>... lists)