Package org.rumbledb.runtime.xml

Class UnaryLookupIterator

java.lang.Object

org.rumbledb.runtime.RuntimeIterator

org.rumbledb.runtime.LocalRuntimeIterator

org.rumbledb.runtime.xml.UnaryLookupIterator

All Implemented Interfaces:

com.esotericsoftware.kryo.KryoSerializable, Serializable, RuntimeIteratorInterface

public class UnaryLookupIterator
extends LocalRuntimeIterator

This Iterator is for the unary lookup operator in XQuery. It is similar to ObjectLookup in JSONiq but supports both Objects (should be maps in the future) and Arrays. The lookupIterator is null in case we have a wildcard

See Also:

• 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
UnaryLookupIterator(RuntimeIterator lookupIterator, RuntimeStaticContext staticContext)

Method Summary

Modifier and Type	Method	Description
Item	next()
void	open(DynamicContext context)

Methods inherited from class org.rumbledb.runtime.RuntimeIterator

bindToVariableInDynamicContext, canProduceDataFrame, close, deepCopy, generateNativeQuery, getConfiguration, getDataFrame, getEffectiveBooleanValue, getEffectiveBooleanValueOrCheckPosition, getHighestExecutionMode, getMetadata, getOrCreateDataFrame, getPendingUpdateList, getRDD, getStaticType, getVariableDependencies, hasNext, isDataFrame, isLocal, isOpen, isRDD, isRDDOrDataFrame, isSequential, isSparkJobNeeded, isUpdating, materialize, materialize, materializeAtMostOneItemOrDefault, materializeAtMostOneItemOrNull, materializeExactlyOneItem, materializeFirstItemOrNull, materializeNFirstItems, print, printToStandardError, read, reset, setStaticContext, write

Methods inherited from class java.lang.Object

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

Constructor Details

UnaryLookupIterator

public UnaryLookupIterator(RuntimeIterator lookupIterator,
 RuntimeStaticContext staticContext)

Method Details

open

public void open(DynamicContext context)

Specified by:

open in interface RuntimeIteratorInterface

Overrides:

open in class RuntimeIterator

next

public Item next()

Specified by:

next in interface RuntimeIteratorInterface

Specified by:

next in class RuntimeIterator