net.sf.jasperreports.engine.query

Interface JRQueryClauseContext

public interface JRQueryClauseContext

A query clause handling context, as seen from a clause function.

Author:

Lucian Chirita (lucianc@users.sourceforge.net)

Method Summary

Modifier and Type	Method and Description
void	addQueryMultiParameters(String parameterName, int count) Records a multi-valued query parameter.
void	addQueryMultiParameters(String parameterName, int count, boolean ignoreNulls) Records a multi-valued query parameter with null values to be ignored.
void	addQueryParameter(Class<?> type, Object value) Records a query parameter based on a provided value.
void	addQueryParameter(String parameterName) Records a query parameter.
String	getCanonicalQueryLanguage() Returns a canonical query language for this query execution.
JasperReportsContext	getJasperReportsContext() Returns the JasperReportsContext associated with the current query execution.
JRValueParameter	getValueParameter(String parameterName) Return a value parameter from the report parameters map.
StringBuffer	queryBuffer() Returns the query text buffer.

Method Detail

queryBuffer

StringBuffer queryBuffer()

Returns the query text buffer.

Returns:

the query text buffer

getValueParameter

JRValueParameter getValueParameter(String parameterName)

Return a value parameter from the report parameters map.

Parameters:

parameterName - the parameter name

Returns:

the parameter

addQueryParameter

void addQueryParameter(String parameterName)

Records a query parameter.

Parameters:

parameterName - the parameter name

addQueryMultiParameters

void addQueryMultiParameters(String parameterName,
                             int count)

Records a multi-valued query parameter.

Parameters:

parameterName - the parameter name

count - the value count

addQueryMultiParameters

void addQueryMultiParameters(String parameterName,
                             int count,
                             boolean ignoreNulls)

Records a multi-valued query parameter with null values to be ignored.

Parameters:

parameterName - the parameter name

count - the value count

ignoreNulls - flag that indicates whether the null values should be ignored

addQueryParameter

void addQueryParameter(Class<?> type,
                       Object value)

Records a query parameter based on a provided value.

Parameters:

type - the parameter type if specified

value - the parameter value

getJasperReportsContext

JasperReportsContext getJasperReportsContext()

Returns the JasperReportsContext associated with the current query execution.

Returns:

the current JasperReportsContext

getCanonicalQueryLanguage

String getCanonicalQueryLanguage()

Returns a canonical query language for this query execution.

The canonical language is used to retrieve extensions for the query executer.

Returns:

the canonical query language