Package net.sf.jasperreports.engine.base

Class JRBaseExpression

java.lang.Object

net.sf.jasperreports.engine.base.JRBaseExpression

All Implemented Interfaces:

Serializable, Cloneable, JRCloneable, JRExpression

Direct Known Subclasses:

JRDesignExpression

public class JRBaseExpression
extends Object
implements JRExpression, Serializable

Author:

Teodor Danciu (teodord@users.sourceforge.net)

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field	Description
protected int	id
protected ExpressionTypeEnum	type

Fields inherited from interface net.sf.jasperreports.engine.JRExpression

EVALUATION_DEFAULT, EVALUATION_ESTIMATED, EVALUATION_OLD, ID_INTERPRETED, NOT_USED_ID

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	JRBaseExpression()
protected	JRBaseExpression(JRExpression expression, JRBaseObjectFactory factory)	Creates a copy of an expression.
protected	JRBaseExpression(JRExpression expression, JRBaseObjectFactory factory, Integer expressionId)	Creates a copy of an expression.

Method Summary

Modifier and Type	Method	Description
Object	clone()
protected String	escapeTextChunk(String text)
JRExpressionChunk[]	getChunks()
int	getId()
String	getText()
ExpressionTypeEnum	getType()
void	regenerateId()

Methods inherited from class java.lang.Object

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

Methods inherited from interface net.sf.jasperreports.engine.JRExpression

isInterpreted

Field Detail

id

protected int id

type

protected ExpressionTypeEnum type

Constructor Detail

JRBaseExpression

protected JRBaseExpression()

JRBaseExpression

protected JRBaseExpression(JRExpression expression,
                           JRBaseObjectFactory factory,
                           Integer expressionId)

Creates a copy of an expression.

Parameters:

expression - the original expression

factory - the base object factory

expressionId - if not null, the created expression will use it as ID instead of the original expressions's ID

JRBaseExpression

protected JRBaseExpression(JRExpression expression,
                           JRBaseObjectFactory factory)

Creates a copy of an expression.

Parameters:

expression - the original expression

factory - the base object factory

Method Detail

regenerateId

public void regenerateId()

getId

public int getId()

Specified by:

getId in interface JRExpression

getType

public ExpressionTypeEnum getType()

Specified by:

getType in interface JRExpression

getChunks

public JRExpressionChunk[] getChunks()

Specified by:

getChunks in interface JRExpression

getText

public String getText()

Specified by:

getText in interface JRExpression

escapeTextChunk

protected String escapeTextChunk(String text)

clone

public Object clone()

Specified by:

clone in interface JRCloneable

Overrides:

clone in class Object