org.pentaho.reporting.libraries.formula.function.text

Class LeftFunction

java.lang.Object

org.pentaho.reporting.libraries.formula.function.text.LeftFunction

All Implemented Interfaces:

Serializable, Function

public class LeftFunction
extends Object
implements Function

This function returns a selected number of text characters from the left.
This function depends on MidFunction.

Author:

Cedric Pronzato

See Also:

MidFunction, Serialized Form

Constructor Summary

Constructors

Constructor and Description
LeftFunction()

Method Summary

Modifier and Type	Method and Description
TypeValuePair	evaluate(FormulaContext context, ParameterCallback parameters)
String	getCanonicalName()

Methods inherited from class java.lang.Object

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

Constructor Detail

LeftFunction

public LeftFunction()

Method Detail

evaluate

public TypeValuePair evaluate(FormulaContext context,
                              ParameterCallback parameters)
                       throws EvaluationException

Specified by:

evaluate in interface Function

Throws:

EvaluationException

getCanonicalName

public String getCanonicalName()

Specified by:

getCanonicalName in interface Function