Package org.rumbledb.runtime.functions

Class DynamicFunctionCallIterator

java.lang.Object

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

org.rumbledb.runtime.plan.ItemRuntimePlan

org.rumbledb.runtime.functions.DynamicFunctionCallIterator

All Implemented Interfaces:

Serializable, DataFrameRuntimePlan<Item>, LocalRuntimePlan<Item>, RDDRuntimePlan<Item>

public class DynamicFunctionCallIterator
extends ItemRuntimePlan
implements LocalRuntimePlan<Item>, RDDRuntimePlan<Item>, DataFrameRuntimePlan<Item>

See Also:

• Serialized Form

Field Summary

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

staticContext

Constructor Summary

Constructors

Constructor	Description
DynamicFunctionCallIterator(ItemRuntimePlan functionItemIterator, List<? extends ItemRuntimePlan> functionArguments, RuntimeStaticContext staticContext)

Method Summary

Modifier and Type	Method	Description
Cursor<Item>	createNativeCursor(DynamicContext context)	Creates an independent cursor for one native local evaluation.
HomogeneousItemDataFrame	createNativeDataFrame(DynamicContext dynamicContext)	Builds the DataFrame for one 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

DynamicFunctionCallIterator

public DynamicFunctionCallIterator(ItemRuntimePlan functionItemIterator,
 List<? extends ItemRuntimePlan> functionArguments,
 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

createNativeDataFrame

public HomogeneousItemDataFrame createNativeDataFrame(DynamicContext dynamicContext)

Description copied from interface: DataFrameRuntimePlan

Builds the DataFrame for one evaluation.

Specified by:

createNativeDataFrame in interface DataFrameRuntimePlan<Item>

Parameters:

dynamicContext - the dynamic context for that evaluation

Returns:

the resulting DataFrame