Package org.rumbledb.runtime.scripting.mutation

Class ApplyStatementIterator

java.lang.Object

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

org.rumbledb.runtime.plan.ItemRuntimePlan

org.rumbledb.runtime.AbstractAtMostOneItemRuntimePlan

org.rumbledb.runtime.scripting.mutation.ApplyStatementIterator

All Implemented Interfaces:

Serializable, AtMostOneLocalRuntimePlan<Item>, LocalRuntimePlan<Item>, UpdatingRuntimePlan

public class ApplyStatementIterator
extends AbstractAtMostOneItemRuntimePlan
implements UpdatingRuntimePlan

See Also:

• Serialized Form

Field Summary

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

staticContext

Constructor Summary

Constructors

Constructor	Description
ApplyStatementIterator(ItemRuntimePlan exprIterator, RuntimeStaticContext staticContext)

Method Summary

Modifier and Type	Method	Description
Item	evaluateAtMostOne(DynamicContext context)	Evaluates the plan without allocating a cursor.
PendingUpdateList	getPendingUpdateList(DynamicContext context)

Methods inherited from class org.rumbledb.runtime.AbstractAtMostOneItemRuntimePlan

createNativeCursor

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

ApplyStatementIterator

public ApplyStatementIterator(ItemRuntimePlan exprIterator,
 RuntimeStaticContext staticContext)

Method Details

evaluateAtMostOne

public Item evaluateAtMostOne(DynamicContext context)

Description copied from interface: AtMostOneLocalRuntimePlan

Evaluates the plan without allocating a cursor.

Specified by:

evaluateAtMostOne in interface AtMostOneLocalRuntimePlan<Item>

Specified by:

evaluateAtMostOne in class AbstractAtMostOneItemRuntimePlan

Parameters:

context - the dynamic context for the evaluation

Returns:

the value, or null for the empty sequence

getPendingUpdateList

public PendingUpdateList getPendingUpdateList(DynamicContext context)

Specified by:

getPendingUpdateList in interface UpdatingRuntimePlan