Package org.rumbledb.runtime.xml

Class PostfixLookupIterator

java.lang.Object

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

org.rumbledb.runtime.plan.ItemRuntimePlan

org.rumbledb.runtime.xml.PostfixLookupIterator

All Implemented Interfaces:

Serializable, LocalRuntimePlan<Item>, RDDRuntimePlan<Item>

public class PostfixLookupIterator
extends ItemRuntimePlan
implements LocalRuntimePlan<Item>, RDDRuntimePlan<Item>

Postfix lookup with XQuery 3.1 semantics. Array index out of bounds yields err:FOAY0001 per XPath and XQuery Functions 3.1.

See Also:

• Serialized Form

Field Summary

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

staticContext

Constructor Summary

Constructors

Constructor	Description
PostfixLookupIterator(ItemRuntimePlan object, ItemRuntimePlan lookupIterator, RuntimeStaticContext staticContext)

Method Summary

Modifier and Type	Method	Description
Cursor<Item>	createNativeCursor(DynamicContext context)	Creates an independent cursor for one native local evaluation.
org.apache.spark.api.java.JavaRDD<Item>	createNativeRDD(DynamicContext dynamicContext)	Builds the RDD for one evaluation.

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

PostfixLookupIterator

public PostfixLookupIterator(ItemRuntimePlan object,
 ItemRuntimePlan lookupIterator,
 RuntimeStaticContext staticContext)

Method Details

createNativeCursor

public Cursor<Item> createNativeCursor(DynamicContext context)

Description copied from interface: LocalRuntimePlan

Creates an independent cursor for one native local evaluation.

Specified by:

createNativeCursor in interface LocalRuntimePlan<Item>

Parameters:

context - the dynamic context for that evaluation

Returns:

an unopened cursor

createNativeRDD

public org.apache.spark.api.java.JavaRDD<Item> createNativeRDD(DynamicContext dynamicContext)

Description copied from interface: RDDRuntimePlan

Builds the RDD for one evaluation.

Specified by:

createNativeRDD in interface RDDRuntimePlan<Item>

Parameters:

dynamicContext - the dynamic context for that evaluation

Returns:

the resulting RDD