net.sf.jasperreports.engine
Interface JRExpression

All Known Implementing Classes:

JRBaseExpression, JRDesignExpression

public interface JRExpression

Version:

$Id: JRExpression.java,v 1.12 2005/08/22 15:44:50 ionutned Exp $

Author:

Teodor Danciu (teodord@users.sourceforge.net)

Field Summary

static byte	EVALUATION_DEFAULT
static byte	EVALUATION_ESTIMATED
static byte	EVALUATION_OLD
static byte	EVALUATION_TIME_BAND The element will be evaluated at band end.
static byte	EVALUATION_TIME_COLUMN A constant specifying that an expression should be evaluated after each column is filled.
static byte	EVALUATION_TIME_GROUP A constant specifying that an expression should be evaluated after each group break.
static byte	EVALUATION_TIME_NOW A constant specifying that an expression should be evaluated at the exact moment in the filling process when it is encountered.
static byte	EVALUATION_TIME_PAGE A constant specifying that an expression should be evaluated after each page is filled.
static byte	EVALUATION_TIME_REPORT A constant specifying that an expression should be evaluated at the end of the filling process.

Method Summary

JRExpressionChunk[]	getChunks()
int	getId()
java.lang.String	getText()
java.lang.Class	getValueClass() Returns the expression return value class.
java.lang.String	getValueClassName() Returns the expression return value class.

Field Detail

EVALUATION_TIME_NOW

static final byte EVALUATION_TIME_NOW

A constant specifying that an expression should be evaluated at the exact moment in the filling process when it is encountered.

See Also:

Constant Field Values

EVALUATION_TIME_REPORT

static final byte EVALUATION_TIME_REPORT

A constant specifying that an expression should be evaluated at the end of the filling process.

See Also:

Constant Field Values

EVALUATION_TIME_PAGE

static final byte EVALUATION_TIME_PAGE

A constant specifying that an expression should be evaluated after each page is filled.

See Also:

Constant Field Values

EVALUATION_TIME_COLUMN

static final byte EVALUATION_TIME_COLUMN

A constant specifying that an expression should be evaluated after each column is filled.

See Also:

Constant Field Values

EVALUATION_TIME_GROUP

static final byte EVALUATION_TIME_GROUP

A constant specifying that an expression should be evaluated after each group break.

See Also:

Constant Field Values

EVALUATION_TIME_BAND

static final byte EVALUATION_TIME_BAND

The element will be evaluated at band end.

See Also:

Constant Field Values

EVALUATION_OLD

static final byte EVALUATION_OLD

See Also:

Constant Field Values

EVALUATION_ESTIMATED

static final byte EVALUATION_ESTIMATED

See Also:

Constant Field Values

EVALUATION_DEFAULT

static final byte EVALUATION_DEFAULT

See Also:

Constant Field Values

Method Detail

getValueClass

java.lang.Class getValueClass()

Returns the expression return value class.

getValueClassName

java.lang.String getValueClassName()

Returns the expression return value class.

getId

int getId()

getChunks

JRExpressionChunk[] getChunks()

getText

java.lang.String getText()