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Java Source Code / Java Documentation » Report » jasperreports 2.0.1 » net.sf.jasperreports.engine

Source Cross Reference

Class Diagram

Java Document (Java Doc)

net.sf.jasperreports.engine .JRQuery

All known Subclasses:   net.sf.jasperreports.engine.base .JRBaseQuery,
JRQuery
public interface JRQuery (Code)
Represents a query used for generation of report data.
Based on the query language, query executer implementations are used to retrieve the data and create a net.sf.jasperreports.engine.JRDataSource JRDataSource to be used by the filling process.
When using the default SQL connection data source, an SQL query must also be provided for JasperReports to automatically retrieve the data. For SQL queries, a very important aspect is that column names in the result set obtained from the query must match the field names defined in the report template.
author:
   Teodor Danciu (teodord@users.sourceforge.net)
version:
   $Id: JRQuery.java 1229 2006-04-19 10:27:35Z teodord $
See Also:   net.sf.jasperreports.engine.query.JRQueryExecuterFactory

Method Summary
public JRQueryChunk[] getChunks()

public String getLanguage()
     Returns the query language.
Based on the query language, a corresponding net.sf.jasperreports.engine.query.JRQueryExecuterFactory JRQueryExecuterFactory is used to create a net.sf.jasperreports.engine.query.JRQueryExecuter JRQueryExecuter instance.
public String getText()
     Returns the query string.

Method Detail
getChunks
public JRQueryChunk[] getChunks()(Code)

getLanguage
public String getLanguage()(Code)
Returns the query language.
Based on the query language, a corresponding net.sf.jasperreports.engine.query.JRQueryExecuterFactory JRQueryExecuterFactory is used to create a net.sf.jasperreports.engine.query.JRQueryExecuter JRQueryExecuter instance. The query executer is responsible for executing the query and creating a JRDataSource JRDataSource from the result. the query language

getText
public String getText()(Code)
Returns the query string.

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