Package org.rumbledb.runtime.xml

Class ComputedElementConstructorRuntimeIterator

java.lang.Object

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

org.rumbledb.runtime.plan.ItemRuntimePlan

org.rumbledb.runtime.AbstractAtMostOneItemRuntimePlan

org.rumbledb.runtime.xml.ComputedElementConstructorRuntimeIterator

All Implemented Interfaces:

Serializable, AtMostOneLocalRuntimePlan<Item>, LocalRuntimePlan<Item>

public class ComputedElementConstructorRuntimeIterator
extends AbstractAtMostOneItemRuntimePlan

Runtime iterator for computed element constructors.

See Also:

• ComputedElementConstructorExpression
• Serialized Form

Field Summary

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

staticContext

Constructor Summary

Constructors

Constructor	Description
ComputedElementConstructorRuntimeIterator(Name staticElementName, ItemRuntimePlan contentIterator, RuntimeStaticContext staticContext)	Constructor for static element name: element elementName { content }
ComputedElementConstructorRuntimeIterator(DataFunctionIterator nameIterator, ItemRuntimePlan contentIterator, RuntimeStaticContext staticContext)	Constructor for dynamic element name: element { nameExpression } { content }

Method Summary

Modifier and Type	Method	Description
Item	evaluateAtMostOne(DynamicContext dynamicContext)	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

ComputedElementConstructorRuntimeIterator

public ComputedElementConstructorRuntimeIterator(Name staticElementName,
 ItemRuntimePlan contentIterator,
 RuntimeStaticContext staticContext)

Constructor for static element name: element elementName { content }

Parameters:

staticElementName - The static element name (expanded)

contentIterator - The content iterator

staticContext - The runtime static context

ComputedElementConstructorRuntimeIterator

public ComputedElementConstructorRuntimeIterator(DataFunctionIterator nameIterator,
 ItemRuntimePlan contentIterator,
 RuntimeStaticContext staticContext)

Constructor for dynamic element name: element { nameExpression } { content }

Parameters:

nameIterator - The dynamic element name iterator (wrapped in AtomizationIterator)

contentIterator - The content iterator

staticContext - The runtime static context

Method Details

evaluateAtMostOne

public Item evaluateAtMostOne(DynamicContext dynamicContext)

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:

dynamicContext - the dynamic context for the evaluation

Returns:

the value, or null for the empty sequence