Package org.rumbledb.runtime.functions.sequences.general

Class ReverseFunctionIterator

java.lang.Object

org.rumbledb.runtime.RuntimeIterator

org.rumbledb.runtime.HybridRuntimeIterator

org.rumbledb.runtime.functions.sequences.general.ReverseFunctionIterator

All Implemented Interfaces:

com.esotericsoftware.kryo.KryoSerializable, Serializable, RuntimeIteratorInterface

public class ReverseFunctionIterator
extends HybridRuntimeIterator

See Also:

• Serialized Form

Field Summary

Fields inherited from class org.rumbledb.runtime.HybridRuntimeIterator

result

Fields inherited from class org.rumbledb.runtime.RuntimeIterator

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

Constructor Summary

Constructors

Constructor	Description
ReverseFunctionIterator(List<RuntimeIterator> parameters, RuntimeStaticContext staticContext)

Method Summary

Modifier and Type	Method	Description
protected void	closeLocal()
JSoundDataFrame	getDataFrame(DynamicContext context)
protected org.apache.spark.api.java.JavaRDD<Item>	getRDDAux(DynamicContext context)
Item	getResult()
protected boolean	hasNextLocal()
boolean	implementsDataFrames()
protected Item	nextLocal()
protected void	openLocal()
protected void	resetLocal()

Methods inherited from class org.rumbledb.runtime.HybridRuntimeIterator

close, collectRDDwithLimit, dataFrameToRDDOfItems, fallbackToRDDIfDFNotImplemented, getRDD, hasNext, implementsLocal, implementsRDD, materialize, materializeAtMostOneItemOrNull, materializeExactlyOneItem, materializeFirstItemOrNull, materializeNFirstItems, next, open, reset

Methods inherited from class org.rumbledb.runtime.RuntimeIterator

bindToVariableInDynamicContext, canProduceDataFrame, deepCopy, generateNativeQuery, getConfiguration, getEffectiveBooleanValue, getEffectiveBooleanValueOrCheckPosition, getHighestExecutionMode, getMetadata, getOrCreateDataFrame, getPendingUpdateList, getStaticType, getVariableDependencies, 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

ReverseFunctionIterator

public ReverseFunctionIterator(List<RuntimeIterator> parameters,
 RuntimeStaticContext staticContext)

Method Details

getRDDAux

protected org.apache.spark.api.java.JavaRDD<Item> getRDDAux(DynamicContext context)

Specified by:

getRDDAux in class HybridRuntimeIterator

implementsDataFrames

public boolean implementsDataFrames()

Overrides:

implementsDataFrames in class HybridRuntimeIterator

getDataFrame

public JSoundDataFrame getDataFrame(DynamicContext context)

Overrides:

getDataFrame in class RuntimeIterator

openLocal

protected void openLocal()

Specified by:

openLocal in class HybridRuntimeIterator

closeLocal

protected void closeLocal()

Specified by:

closeLocal in class HybridRuntimeIterator

resetLocal

protected void resetLocal()

Specified by:

resetLocal in class HybridRuntimeIterator

hasNextLocal

protected boolean hasNextLocal()

Specified by:

hasNextLocal in class HybridRuntimeIterator

nextLocal

protected Item nextLocal()

Specified by:

nextLocal in class HybridRuntimeIterator

getResult

public Item getResult()