Package org.rumbledb.runtime.functions.datetime.components

Class HoursFromDateTimeFunctionIterator

java.lang.Object

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

org.rumbledb.runtime.plan.ItemRuntimePlan

org.rumbledb.runtime.AbstractAtMostOneItemRuntimePlan

org.rumbledb.runtime.functions.TemporalComponentFunctionIterator

org.rumbledb.runtime.functions.datetime.components.HoursFromDateTimeFunctionIterator

All Implemented Interfaces:

Serializable, AtMostOneLocalRuntimePlan<Item>, LocalRuntimePlan<Item>

public class HoursFromDateTimeFunctionIterator
extends TemporalComponentFunctionIterator

See Also:

• Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from class org.rumbledb.runtime.functions.TemporalComponentFunctionIterator

TemporalComponentFunctionIterator.Component

Field Summary

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

staticContext

Constructor Summary

Constructors

Constructor	Description
HoursFromDateTimeFunctionIterator(List<ItemRuntimePlan> arguments, RuntimeStaticContext staticContext)

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

HoursFromDateTimeFunctionIterator

public HoursFromDateTimeFunctionIterator(List<ItemRuntimePlan> arguments,
 RuntimeStaticContext staticContext)

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>

Overrides:

evaluateAtMostOne in class TemporalComponentFunctionIterator

Parameters:

context - the dynamic context for the evaluation

Returns:

the value, or null for the empty sequence