net.sf.jasperreports.engine.query

Class JRSqlLessOrGreaterClause

java.lang.Object

net.sf.jasperreports.engine.query.SQLLessOrGreaterBaseClause

net.sf.jasperreports.engine.query.JRSqlLessOrGreaterClause

All Implemented Interfaces:

JRClauseFunction

public class JRSqlLessOrGreaterClause
extends SQLLessOrGreaterBaseClause

Base LESS/GREATER clause function for SQL queries.

The first token in the $X{...} syntax is the function ID token. Possible values for the LESS | GREATER clause function ID token are:

• LESS - in this case the LESS THAN operator < will be applied.
• LESS] - in this case the LESS OR EQUAL operator <= will be applied.
• GREATER - in this case the GREATER THAN operator > will be applied.
• [GREATER - in this case the GREATER OR EQUAL operator >= will be applied.

Author:

sanda zaharia (shertage@users.sourceforge.net)

Field Summary

Fields

Modifier and Type	Field and Description
protected static JRSqlLessOrGreaterClause	singleton

Fields inherited from class net.sf.jasperreports.engine.query.SQLLessOrGreaterBaseClause

CLAUSE_TRUISM, EXCEPTION_MESSAGE_KEY_QUERY_LESS_GREATER_CLAUSE_DB_COLUMN_TOKEN_MISSING, EXCEPTION_MESSAGE_KEY_QUERY_LESS_GREATER_CLAUSE_NAME_TOKEN_MISSING, EXCEPTION_MESSAGE_KEY_QUERY_LESS_GREATER_CLAUSE_PARAMETER_TOKEN_MISSING, OPERATOR_GREATER, OPERATOR_GREATER_OR_EQUAL, OPERATOR_LESS, OPERATOR_LESS_OR_EQUAL, POSITION_CLAUSE_ID, POSITION_DB_COLUMN, POSITION_PARAMETER

Constructor Summary

Constructors

Constructor and Description
JRSqlLessOrGreaterClause()

Method Summary

Methods

Modifier and Type	Method and Description
protected ClauseFunctionParameterHandler	createParameterHandler(JRQueryClauseContext queryContext, String clauseId, String parameterName)
static JRSqlLessOrGreaterClause	instance() Returns the singleton function instance.

Methods inherited from class net.sf.jasperreports.engine.query.SQLLessOrGreaterBaseClause

apply, handleLessOrGreaterOperator

Methods inherited from class java.lang.Object

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

Field Detail

singleton

protected static final JRSqlLessOrGreaterClause singleton

Constructor Detail

JRSqlLessOrGreaterClause

public JRSqlLessOrGreaterClause()

Method Detail

instance

public static JRSqlLessOrGreaterClause instance()

Returns the singleton function instance.

Returns:

the singleton function instance

createParameterHandler

protected ClauseFunctionParameterHandler createParameterHandler(JRQueryClauseContext queryContext,
                                                    String clauseId,
                                                    String parameterName)

Specified by:

createParameterHandler in class SQLLessOrGreaterBaseClause