Package net.sf.jasperreports.engine.query

Class JRSqlEqualClause

java.lang.Object

net.sf.jasperreports.engine.query.JRSqlAbstractEqualClause

net.sf.jasperreports.engine.query.JRSqlEqualClause

All Implemented Interfaces:

JRClauseFunction

public class JRSqlEqualClause
extends JRSqlAbstractEqualClause

SQL "EQUAL" clause function.

Author:

Sanda Zaharia (shertage@users.sourceforge.net)

See Also:

• JRSqlAbstractEqualClause.apply(JRClauseTokens, JRQueryClauseContext)

Field Summary

Fields

Modifier and Type	Field	Description
protected static final String	OPERATOR_EQUAL
protected static final String	OPERATOR_IS_NULL
protected static final JRSqlEqualClause	singleton

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

EXCEPTION_MESSAGE_KEY_QUERY_EQUAL_CLAUSE_DB_COLUMN_TOKEN_MISSING, EXCEPTION_MESSAGE_KEY_QUERY_EQUAL_CLAUSE_PARAMETER_TOKEN_MISSING, POSITION_DB_COLUMN, POSITION_PARAMETER

Fields inherited from interface net.sf.jasperreports.engine.query.JRClauseFunction

CLAUSE_FALSISM, CLAUSE_TRUISM

Constructor Summary

Constructors

Constructor	Description
JRSqlEqualClause()

Method Summary

Modifier and Type	Method	Description
protected void	handleEqualOperator(StringBuffer sbuffer, String param, JRQueryClauseContext queryContext)
static JRSqlEqualClause	instance()	Returns the singleton function instance.

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

apply, finalizeClause

Methods inherited from class java.lang.Object

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

Field Details

OPERATOR_EQUAL

protected static final String OPERATOR_EQUAL

See Also:

• Constant Field Values

OPERATOR_IS_NULL

protected static final String OPERATOR_IS_NULL

See Also:

• Constant Field Values

singleton

protected static final JRSqlEqualClause singleton

Constructor Details

JRSqlEqualClause

public JRSqlEqualClause()

Method Details

instance

public static JRSqlEqualClause instance()

Returns the singleton function instance.

Returns:

the singleton function instance

handleEqualOperator

protected void handleEqualOperator(StringBuffer sbuffer,
 String param,
 JRQueryClauseContext queryContext)

Specified by:

handleEqualOperator in class JRSqlAbstractEqualClause