Package com.vaadin.flow.component.ai.chart

Class ChartRenderer

java.lang.Object

com.vaadin.flow.component.ai.chart.ChartRenderer

All Implemented Interfaces:

Serializable

public final class ChartRenderer
extends Object
implements Serializable

Stateless utility for rendering chart data from SQL queries. Encapsulates the query-execution-to-drawChart pipeline so that different controllers (standalone chart, dashboard) share the same rendering logic.

Author:

Vaadin Ltd

See Also:

• Serialized Form

Method Summary

Modifier and Type	Method	Description
static void	renderChart(com.vaadin.flow.component.charts.Chart chart, DatabaseProvider databaseProvider, DataConverter dataConverter, List<String> queries, String configJson)	Renders a chart by executing queries, converting results to series, and applying configuration.

Methods inherited from class java.lang.Object

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

Method Details

renderChart

public static void renderChart(com.vaadin.flow.component.charts.Chart chart,
 DatabaseProvider databaseProvider,
 DataConverter dataConverter,
 List<String> queries,
 String configJson)

Renders a chart by executing queries, converting results to series, and applying configuration.

Parameters:

chart - the chart to render, not null

databaseProvider - the database provider for query execution, not null

dataConverter - the data converter for transforming query results, not null

queries - the SQL queries to execute (one per series), not null

configJson - the chart configuration JSON, or null to keep current