jet.datasource
Interface JRSecurityHierarchicalDataSource

All Superinterfaces:

JRHierarchicalDataSource

public interface JRSecurityHierarchicalDataSource
extends JRHierarchicalDataSource

A JRSecurityHierarchicalDataSource provides data for JReport for generating reports. JRHierarchicalDataSource class is developed by user of JReport, and it can provide data from flat file, non-relational database, or application data. The data returned by this class is in JRHierarchicalDataset object, so user need create JRHierarchicalDataset instance and JReport will use the instance to fetch data. User can also creating their own JRHierarchicalDataset class.

Method Summary

JRHierarchicalDataset

getHierarchicalDataset(SecurityContext sc, java.lang.String param) Gets the data in JRSecurityHierarchicalDataset according to security context and parameters.

Methods inherited from interface jet.datasource.JRHierarchicalDataSource

getHierarchicalDataset, releaseHierarchicalDataset, setUsedFields

Method Detail

getHierarchicalDataset

JRHierarchicalDataset getHierarchicalDataset(SecurityContext sc,
                                             java.lang.String param)
                                             throws JRUserDataSourceException

Gets the data in JRSecurityHierarchicalDataset according to security context and parameters.

Parameters:

sc - A SecurityContext object, which is implemented by the user

param - The parameter that the user wants to use for HDS

Returns:

The JRHierarchicalDataset object

Throws:

JRUserDataSourceException - if a data access error occurs