Package io.jmix.reports.yarg.reporting

Class StreamingReportValidator

java.lang.Object

io.jmix.reports.yarg.reporting.StreamingReportValidator

@NullMarked
public class StreamingReportValidator
extends Object

Validates the band structure of a report that uses a streaming band against the restrictions of the streaming XLSX engine. Shared by the rendering engine (Reporting) and the report designer UI, so an unsupported structure is rejected identically at save time and at run time.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static final record	StreamingReportValidator.Violation
static enum	StreamingReportValidator.ViolationType

Constructor Summary

Constructors

Constructor	Description
StreamingReportValidator()

Method Summary

Modifier and Type	Method	Description
protected void	collectNonHorizontalBands(ReportBand band, List<StreamingReportValidator.Violation> violations)
protected void	collectStreamingBands(ReportBand band, List<ReportBand> streamingBands)
protected boolean	isStreamingCapable(@Nullable String loaderType, ReportLoaderFactory loaderFactory)
List<StreamingReportValidator.Violation>	validate(ReportBand rootBand, ReportLoaderFactory loaderFactory)	Returns the violations of the streaming engine's restrictions, or an empty list when the report either has no streaming band or satisfies all of them.
protected void	validateStreamingBand(ReportBand band, ReportLoaderFactory loaderFactory, List<StreamingReportValidator.Violation> violations)

Methods inherited from class java.lang.Object

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

Constructor Details

StreamingReportValidator

public StreamingReportValidator()

Method Details

validate

public List<StreamingReportValidator.Violation> validate(ReportBand rootBand,
 ReportLoaderFactory loaderFactory)

Returns the violations of the streaming engine's restrictions, or an empty list when the report either has no streaming band or satisfies all of them.

collectStreamingBands

protected void collectStreamingBands(ReportBand band,
 List<ReportBand> streamingBands)

validateStreamingBand

protected void validateStreamingBand(ReportBand band,
 ReportLoaderFactory loaderFactory,
 List<StreamingReportValidator.Violation> violations)

isStreamingCapable

protected boolean isStreamingCapable(@Nullable String loaderType,
 ReportLoaderFactory loaderFactory)

collectNonHorizontalBands

protected void collectNonHorizontalBands(ReportBand band,
 List<StreamingReportValidator.Violation> violations)