Package org.rumbledb.runtime.xml

Class ComputedNamespaceConstructorRuntimeIterator

java.lang.Object

org.rumbledb.runtime.RuntimeIterator

org.rumbledb.runtime.AtMostOneItemLocalRuntimeIterator

org.rumbledb.runtime.xml.ComputedNamespaceConstructorRuntimeIterator

All Implemented Interfaces:

com.esotericsoftware.kryo.KryoSerializable, Serializable, RuntimeIteratorInterface

public class ComputedNamespaceConstructorRuntimeIterator
extends AtMostOneItemLocalRuntimeIterator

Runtime iterator for computed namespace constructors.

See Also:

• ComputedNamespaceConstructorExpression
• 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
ComputedNamespaceConstructorRuntimeIterator(String staticPrefix, DataFunctionIterator uriIterator, RuntimeStaticContext staticContext)	Constructor for static prefix: namespace prefix { uri }
ComputedNamespaceConstructorRuntimeIterator(DataFunctionIterator prefixIterator, DataFunctionIterator uriIterator, RuntimeStaticContext staticContext)	Constructor for dynamic prefix: namespace { prefixExpression } { uri }

Method Summary

Modifier and Type	Method	Description
Item	materializeFirstItemOrNull(DynamicContext dynamicContext)

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

ComputedNamespaceConstructorRuntimeIterator

public ComputedNamespaceConstructorRuntimeIterator(String staticPrefix,
 DataFunctionIterator uriIterator,
 RuntimeStaticContext staticContext)

Constructor for static prefix: namespace prefix { uri }

Parameters:

staticPrefix - The static namespace prefix

uriIterator - The URI iterator (wrapped in AtomizationIterator)

staticContext - The runtime static context

ComputedNamespaceConstructorRuntimeIterator

public ComputedNamespaceConstructorRuntimeIterator(DataFunctionIterator prefixIterator,
 DataFunctionIterator uriIterator,
 RuntimeStaticContext staticContext)

Constructor for dynamic prefix: namespace { prefixExpression } { uri }

Parameters:

prefixIterator - The prefix iterator (wrapped in AtomizationIterator)

uriIterator - The URI iterator (wrapped in AtomizationIterator)

staticContext - The runtime static context

Method Details

materializeFirstItemOrNull

public Item materializeFirstItemOrNull(DynamicContext dynamicContext)

Specified by:

materializeFirstItemOrNull in class AtMostOneItemLocalRuntimeIterator