Package org.rumbledb.runtime.functions

Class TemporalComponentFunctionIterator

java.lang.Object

org.rumbledb.runtime.plan.RuntimePlan<Item>

org.rumbledb.runtime.plan.ItemRuntimePlan

org.rumbledb.runtime.AbstractAtMostOneItemRuntimePlan

org.rumbledb.runtime.functions.TemporalComponentFunctionIterator

All Implemented Interfaces:

Serializable, AtMostOneLocalRuntimePlan<Item>, LocalRuntimePlan<Item>

Direct Known Subclasses:

DayFromDateFunctionIterator, DayFromDateTimeFunctionIterator, DaysFromDurationFunctionIterator, HoursFromDateTimeFunctionIterator, HoursFromDurationFunctionIterator, HoursFromTimeFunctionIterator, MinutesFromDateTimeFunctionIterator, MinutesFromDurationFunctionIterator, MinutesFromTimeFunctionIterator, MonthFromDateFunctionIterator, MonthFromDateTimeFunctionIterator, MonthsFromDurationFunctionIterator, SecondsFromDateTimeFunctionIterator, SecondsFromDurationFunctionIterator, SecondsFromTimeFunctionIterator, TimezoneFromDateFunctionIterator, TimezoneFromDateTimeFunctionIterator, TimezoneFromTimeFunctionIterator, YearFromDateFunctionIterator, YearFromDateTimeFunctionIterator, YearsFromDurationFunctionIterator

public abstract class TemporalComponentFunctionIterator
extends AbstractAtMostOneItemRuntimePlan

Shared plan for extracting one component from a date, time, dateTime, or duration value.

See Also:

• Serialized Form

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
protected static enum	TemporalComponentFunctionIterator.Component

Field Summary

Fields inherited from class org.rumbledb.runtime.plan.RuntimePlan

staticContext

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	TemporalComponentFunctionIterator(List<ItemRuntimePlan> arguments, RuntimeStaticContext staticContext, TemporalComponentFunctionIterator.Component component)

Method Summary

Modifier and Type	Method	Description
Item	evaluateAtMostOne(DynamicContext context)	Evaluates the plan without allocating a cursor.

Methods inherited from class org.rumbledb.runtime.AbstractAtMostOneItemRuntimePlan

createNativeCursor

Methods inherited from class org.rumbledb.runtime.plan.ItemRuntimePlan

getChild, getChildren, getStaticType, getVariableDependencies, isSparkJobNeeded, print

Methods inherited from class org.rumbledb.runtime.plan.RuntimePlan

getConfiguration, getCursor, getDataFrame, getMetadata, getRDD, getRuntimeStaticContext, materialize, materializeAtMost, materializeAtMostOne, materializeExactlyOne, materializeFirstOrNull

Methods inherited from class java.lang.Object

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

Constructor Details

TemporalComponentFunctionIterator

protected TemporalComponentFunctionIterator(List<ItemRuntimePlan> arguments,
 RuntimeStaticContext staticContext,
 TemporalComponentFunctionIterator.Component component)

Method Details

evaluateAtMostOne

public Item evaluateAtMostOne(DynamicContext context)

Description copied from interface: AtMostOneLocalRuntimePlan

Evaluates the plan without allocating a cursor.

Specified by:

evaluateAtMostOne in interface AtMostOneLocalRuntimePlan<Item>

Specified by:

evaluateAtMostOne in class AbstractAtMostOneItemRuntimePlan

Parameters:

context - the dynamic context for the evaluation

Returns:

the value, or null for the empty sequence