CardinalityFunctionIterator (RumbleDB 2.0.0 API)

java.lang.Object

org.rumbledb.runtime.RuntimeIterator

org.rumbledb.runtime.AtMostOneItemLocalRuntimeIterator

org.rumbledb.runtime.functions.sequences.cardinality.CardinalityFunctionIterator

All Implemented Interfaces:: com.esotericsoftware.kryo.KryoSerializable, Serializable, RuntimeIteratorInterface

public abstract class CardinalityFunctionIterator extends AtMostOneItemLocalRuntimeIterator

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

Modifier

Constructor

Description

protected

CardinalityFunctionIterator(List<RuntimeIterator> arguments, RuntimeStaticContext staticContext)
Method Summary

Methods inherited from class org.rumbledb.runtime.AtMostOneItemLocalRuntimeIterator
close, getEffectiveBooleanValueOrCheckPosition, getRDD, materialize, materializeAtMostOneItemOrNull, materializeExactlyOneItem, materializeFirstItemOrNull, materializeNFirstItems, next, open, reset

Methods inherited from class org.rumbledb.runtime.RuntimeIterator
bindToVariableInDynamicContext, canProduceDataFrame, deepCopy, generateNativeQuery, getConfiguration, getDataFrame, getEffectiveBooleanValue, getHighestExecutionMode, getMetadata, getOrCreateDataFrame, getPendingUpdateList, 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
- CardinalityFunctionIterator
  
  protected CardinalityFunctionIterator(List<RuntimeIterator> arguments, RuntimeStaticContext staticContext)