org.pentaho.reporting.libraries.formula.lvalues

Class PrefixTerm

java.lang.Object

org.pentaho.reporting.libraries.formula.lvalues.AbstractLValue

org.pentaho.reporting.libraries.formula.lvalues.PrefixTerm

All Implemented Interfaces:

Serializable, Cloneable, LValue

public class PrefixTerm
extends AbstractLValue

Creation-Date: 02.11.2006, 10:20:27

Author:

Thomas Morgner

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
PrefixTerm(PrefixOperator operator, LValue value)

Method Summary

Modifier and Type	Method and Description
Object	clone()
TypeValuePair	evaluate()
LValue[]	getChildValues() Returns any dependent lvalues (parameters and operands, mostly).
PrefixOperator	getOperator()
LValue	getValue()
boolean	isConstant() Checks whether the LValue is constant.
String	toString()

Methods inherited from class org.pentaho.reporting.libraries.formula.lvalues.AbstractLValue

getContext, getParsePosition, getValueType, initialize, setParsePosition

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

PrefixTerm

public PrefixTerm(PrefixOperator operator,
                  LValue value)

Method Detail

getOperator

public PrefixOperator getOperator()

getValue

public LValue getValue()

evaluate

public TypeValuePair evaluate()
                       throws EvaluationException

Throws:

EvaluationException

toString

public String toString()

Overrides:

toString in class Object

getChildValues

public LValue[] getChildValues()

Returns any dependent lvalues (parameters and operands, mostly).

Specified by:

getChildValues in interface LValue

Overrides:

getChildValues in class AbstractLValue

Returns:

isConstant

public boolean isConstant()

Checks whether the LValue is constant. Constant lvalues always return the same value.

Returns:

clone

public Object clone()
             throws CloneNotSupportedException

Specified by:

clone in interface LValue

Overrides:

clone in class AbstractLValue

Throws:

CloneNotSupportedException