org.pentaho.reporting.libraries.formula.typing.sequence

Class DefaultNumberSequence

java.lang.Object

org.pentaho.reporting.libraries.formula.typing.sequence.AnySequence

org.pentaho.reporting.libraries.formula.typing.sequence.DefaultNumberSequence

All Implemented Interfaces:

NumberSequence, Sequence

public class DefaultNumberSequence
extends AnySequence
implements NumberSequence

Author:

Cedric Pronzato

Constructor Summary

Constructors

Constructor and Description
DefaultNumberSequence(AnySequence anySequence)
DefaultNumberSequence(ArrayCallback array, FormulaContext context) Number sequence bounded to an array.
DefaultNumberSequence(FormulaContext context) Empty number sequence.
DefaultNumberSequence(LValue n, FormulaContext context) Number sequence bounded to only one number item.

Method Summary

Modifier and Type	Method and Description
protected boolean	isValidNext(LValue o)
Number	nextNumber()

Methods inherited from class org.pentaho.reporting.libraries.formula.typing.sequence.AnySequence

getArray, getColumnCursor, getContext, getRowCursor, getSingle, hasNext, next, nextRawValue

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.pentaho.reporting.libraries.formula.typing.Sequence

hasNext, next, nextRawValue

Constructor Detail

DefaultNumberSequence

public DefaultNumberSequence(FormulaContext context)

Empty number sequence.

DefaultNumberSequence

public DefaultNumberSequence(LValue n,
                             FormulaContext context)

Number sequence bounded to only one number item.

Parameters:

n - A number

DefaultNumberSequence

public DefaultNumberSequence(ArrayCallback array,
                             FormulaContext context)

Number sequence bounded to an array.

Parameters:

array -

DefaultNumberSequence

public DefaultNumberSequence(AnySequence anySequence)

Method Detail

isValidNext

protected boolean isValidNext(LValue o)
                       throws EvaluationException

Overrides:

isValidNext in class AnySequence

Throws:

EvaluationException

nextNumber

public Number nextNumber()
                  throws EvaluationException

Specified by:

nextNumber in interface NumberSequence

Throws:

EvaluationException