Package org.rumbledb.runtime.functions.io

Class DocFunctionIterator

java.lang.Object

org.rumbledb.runtime.RuntimeIterator

org.rumbledb.runtime.LocalRuntimeIterator

org.rumbledb.runtime.functions.base.LocalFunctionCallIterator

org.rumbledb.runtime.functions.io.DocFunctionIterator

All Implemented Interfaces:

com.esotericsoftware.kryo.KryoSerializable, Serializable, RuntimeIteratorInterface

public class DocFunctionIterator
extends LocalFunctionCallIterator

The `DocFunctionIterator` class implements the `doc` function from XQuery. It retrieves and parses an XML document from a given URI.

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
DocFunctionIterator(List<RuntimeIterator> parameters, RuntimeStaticContext staticContext)

Method Summary

Modifier and Type	Method	Description
Item	next()
void	open(DynamicContext context)

Methods inherited from class org.rumbledb.runtime.RuntimeIterator

bindToVariableInDynamicContext, canProduceDataFrame, close, deepCopy, generateNativeQuery, getConfiguration, getDataFrame, getEffectiveBooleanValue, getEffectiveBooleanValueOrCheckPosition, getHighestExecutionMode, getMetadata, getOrCreateDataFrame, getPendingUpdateList, getRDD, getStaticType, getVariableDependencies, hasNext, isDataFrame, isLocal, isOpen, isRDD, isRDDOrDataFrame, isSequential, isSparkJobNeeded, isUpdating, materialize, materialize, materializeAtMostOneItemOrDefault, materializeAtMostOneItemOrNull, materializeExactlyOneItem, materializeFirstItemOrNull, materializeNFirstItems, print, printToStandardError, read, reset, setStaticContext, write

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

DocFunctionIterator

public DocFunctionIterator(List<RuntimeIterator> parameters,
 RuntimeStaticContext staticContext)

Method Details

open

public void open(DynamicContext context)

Specified by:

open in interface RuntimeIteratorInterface

Overrides:

open in class RuntimeIterator

next

public Item next()

Specified by:

next in interface RuntimeIteratorInterface

Specified by:

next in class RuntimeIterator