Package org.rumbledb.runtime.xml

Class ComputedElementConstructorRuntimeIterator

java.lang.Object

org.rumbledb.runtime.RuntimeIterator

org.rumbledb.runtime.AtMostOneItemLocalRuntimeIterator

org.rumbledb.runtime.xml.ComputedElementConstructorRuntimeIterator

All Implemented Interfaces:

com.esotericsoftware.kryo.KryoSerializable, Serializable, RuntimeIteratorInterface

public class ComputedElementConstructorRuntimeIterator
extends AtMostOneItemLocalRuntimeIterator

Runtime iterator for computed element constructors.

See Also:

• ComputedElementConstructorExpression
• Serialized Form

Field Summary

Fields inherited from class org.rumbledb.runtime.RuntimeIterator

children, currentDynamicContextForLocalExecution, FLOW_EXCEPTION_MESSAGE, hasNext, isOpen, isSequential, isUpdating, staticContext, staticURI

Constructor Summary

Constructors

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

Method Summary

Modifier and Type	Method	Description
Item	materializeFirstItemOrNull(DynamicContext dynamicContext)

Methods inherited from class org.rumbledb.runtime.AtMostOneItemLocalRuntimeIterator

close, getEffectiveBooleanValueOrCheckPosition, getRDD, materialize, materializeAtMostOneItemOrNull, materializeExactlyOneItem, materializeNFirstItems, next, open, reset

Methods inherited from class org.rumbledb.runtime.RuntimeIterator

bindToVariableInDynamicContext, canProduceDataFrame, deepCopy, generateNativeQuery, getConfiguration, getDataFrame, getEffectiveBooleanValue, getHighestExecutionMode, getMetadata, getOrCreateDataFrame, getPendingUpdateList, getRuntimeStaticContext, getStaticType, getVariableDependencies, hasNext, isDataFrame, isLocal, isOpen, isRDD, isRDDOrDataFrame, isSequential, isSparkJobNeeded, isUpdating, materialize, materializeAtMostOneItemOrDefault, print, printToStandardError, read, setStaticContext, write

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,
 RuntimeIterator 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,
 RuntimeIterator 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

materializeFirstItemOrNull

public Item materializeFirstItemOrNull(DynamicContext dynamicContext)

Specified by:

materializeFirstItemOrNull in class AtMostOneItemLocalRuntimeIterator