Package org.rumbledb.runtime.functions.maps

Class MapPutFunctionIterator

java.lang.Object

org.rumbledb.runtime.RuntimeIterator

org.rumbledb.runtime.AtMostOneItemLocalRuntimeIterator

org.rumbledb.runtime.functions.maps.MapPutFunctionIterator

All Implemented Interfaces:

com.esotericsoftware.kryo.KryoSerializable, Serializable, RuntimeIteratorInterface

public class MapPutFunctionIterator
extends AtMostOneItemLocalRuntimeIterator

W3C XPath/XQuery map:put:

• requires exactly one map argument
• atomizes the key and requires exactly one atomic value
• returns a new map with the entry added or replaced (key equivalence via op:same-key)

This built-in is local execution only.

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
MapPutFunctionIterator(List<RuntimeIterator> arguments, RuntimeStaticContext staticContext)

Method Summary

Modifier and Type	Method	Description
Item	materializeFirstItemOrNull(DynamicContext context)

Methods inherited from class org.rumbledb.runtime.AtMostOneItemLocalRuntimeIterator

close, getEffectiveBooleanValueOrCheckPosition, getRDD, materialize, materializeAtMostOneItemOrNull, materializeExactlyOneItem, materializeNFirstItems, next, open, reset

Methods inherited from class org.rumbledb.runtime.RuntimeIterator

bindToVariableInDynamicContext, canProduceDataFrame, deepCopy, generateNativeQuery, getConfiguration, getDataFrame, getEffectiveBooleanValue, getHighestExecutionMode, getMetadata, getOrCreateDataFrame, getPendingUpdateList, getRuntimeStaticContext, 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

MapPutFunctionIterator

public MapPutFunctionIterator(List<RuntimeIterator> arguments,
 RuntimeStaticContext staticContext)

Method Details

materializeFirstItemOrNull

public Item materializeFirstItemOrNull(DynamicContext context)

Specified by:

materializeFirstItemOrNull in class AtMostOneItemLocalRuntimeIterator