Package io.jmix.reports.libintegration

Class JpqlDataLoader.JpqlRowIterator

java.lang.Object

io.jmix.reports.libintegration.JpqlDataLoader.JpqlRowIterator

All Implemented Interfaces:

Iterator<Map<String,Object>>

Enclosing class:

JpqlDataLoader

protected class JpqlDataLoader.JpqlRowIterator
extends Object
implements Iterator<Map<String,Object>>

Lazy iterator over an EclipseLink CursoredStream; wraps entities into EntityMap, scalars via OutputValue.

Field Summary

Fields

Modifier and Type	Field	Description
protected final org.eclipse.persistence.queries.CursoredStream	cursor
protected final jakarta.persistence.EntityManager	entityManager
protected @Nullable Boolean	entityRows	Entity-vs-scalar shape, decided once from the first row like the batch JpqlDataLoader.loadData(io.jmix.reports.yarg.structure.ReportQuery, io.jmix.reports.yarg.structure.BandData, java.util.Map<java.lang.String, java.lang.Object>).
protected final List<AbstractDbDataLoader.OutputValue>	outputParameters
protected long	rowsRead

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	JpqlRowIterator(org.eclipse.persistence.queries.CursoredStream cursor, jakarta.persistence.EntityManager entityManager, List<AbstractDbDataLoader.OutputValue> outputParameters)

Method Summary

Modifier and Type	Method	Description
boolean	hasNext()
Map<String,Object>	next()

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.util.Iterator

forEachRemaining, remove

Field Details

cursor

protected final org.eclipse.persistence.queries.CursoredStream cursor

entityManager

protected final jakarta.persistence.EntityManager entityManager

outputParameters

protected final List<AbstractDbDataLoader.OutputValue> outputParameters

rowsRead

protected long rowsRead

entityRows

protected @Nullable Boolean entityRows

Entity-vs-scalar shape, decided once from the first row like the batch JpqlDataLoader.loadData(io.jmix.reports.yarg.structure.ReportQuery, io.jmix.reports.yarg.structure.BandData, java.util.Map<java.lang.String, java.lang.Object>).

Constructor Details

JpqlRowIterator

protected JpqlRowIterator(org.eclipse.persistence.queries.CursoredStream cursor,
 jakarta.persistence.EntityManager entityManager,
 List<AbstractDbDataLoader.OutputValue> outputParameters)

Method Details

hasNext

public boolean hasNext()

Specified by:

hasNext in interface Iterator<Map<String,Object>>

next

public Map<String,Object> next()

Specified by:

next in interface Iterator<Map<String,Object>>