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

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(ResultBlockIterator it)
static List<Exception>	tryGetExceptionsOfProducingSubPlan(ResultElementIterator it)
static ExecutableOperator	tryGetProducingOperator(ResultElementIterator it)
static ExecutableOperatorStats	tryGetStatsOfProducingOperator(ResultElementIterator it)
static ExecutablePlanStats	tryGetStatsOfProducingSubPlan(ResultBlockIterator 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(ResultBlockIterator it)

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(ResultBlockIterator 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)