com.caplin.charting

Interface ChartDataProvider

public interface ChartDataProvider

The interface that must be implemented to retrieve the chart data.

Method Summary

Methods

Modifier and Type	Method and Description
void	requestChartData(ChartDataRequest request) This call indicates that a request for chart data has been received.

Method Detail

requestChartData

void requestChartData(ChartDataRequest request)

This call indicates that a request for chart data has been received. The ChartDataProvider should retrieve the data according to the criteria, (which can be retrieved from the request by calling request.getCriteria()) and pass it back to the requester by calling sendDataResponse on the request.

If this request is invalid, the ChartDataProvider should call sendErrorResponse on the request.

Parameters:

request - the request for the data, consisting of the parameters that can be got with request.getCriteria, and methods to respond to the request with data or an error.