Package org.rumbledb.runtime.scripting.block

Class StatementsOnlyIterator

java.lang.Object

org.rumbledb.runtime.RuntimeIterator

org.rumbledb.runtime.AtMostOneItemLocalRuntimeIterator

org.rumbledb.runtime.scripting.block.StatementsOnlyIterator

All Implemented Interfaces:

com.esotericsoftware.kryo.KryoSerializable, Serializable, RuntimeIteratorInterface

public class StatementsOnlyIterator
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

Constructor	Description
StatementsOnlyIterator(List<RuntimeIterator> children, RuntimeStaticContext staticContext)

Method Summary

Modifier and Type	Method	Description
void	close()
void	iterateChildren()
Item	materializeFirstItemOrNull(DynamicContext dynamicContext)
Item	next()
void	open(DynamicContext dynamicContext)
void	reset(DynamicContext dynamicContext)

Methods inherited from class org.rumbledb.runtime.AtMostOneItemLocalRuntimeIterator

getEffectiveBooleanValueOrCheckPosition, getRDD, materialize, materializeAtMostOneItemOrNull, materializeExactlyOneItem, materializeNFirstItems

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

StatementsOnlyIterator

public StatementsOnlyIterator(List<RuntimeIterator> children,
 RuntimeStaticContext staticContext)

Method Details

materializeFirstItemOrNull

public Item materializeFirstItemOrNull(DynamicContext dynamicContext)

Specified by:

materializeFirstItemOrNull in class AtMostOneItemLocalRuntimeIterator

iterateChildren

public void iterateChildren()

open

public void open(DynamicContext dynamicContext)

Specified by:

open in interface RuntimeIteratorInterface

Overrides:

open in class AtMostOneItemLocalRuntimeIterator

close

public void close()

Specified by:

close in interface RuntimeIteratorInterface

Overrides:

close in class AtMostOneItemLocalRuntimeIterator

reset

public void reset(DynamicContext dynamicContext)

Specified by:

reset in interface RuntimeIteratorInterface

Overrides:

reset in class AtMostOneItemLocalRuntimeIterator

next

public Item next()

Specified by:

next in interface RuntimeIteratorInterface

Overrides:

next in class AtMostOneItemLocalRuntimeIterator