org.pentaho.reporting.libraries.formula.function.information
Class CountFunction

java.lang.Object
  org.pentaho.reporting.libraries.formula.function.information.CountFunction

All Implemented Interfaces:

java.io.Serializable, Function

public class CountFunction
extends java.lang.Object
implements Function

This function counts the numbers in the list of NumberSequences provided. Only numbers in references are counted; all other types are ignored. Errors are not propagated.

Author:

Cedric Pronzato

See Also:

Serialized Form

Constructor Summary

CountFunction()

Method Summary

TypeValuePair	evaluate(FormulaContext context, ParameterCallback parameters)
java.lang.String	getCanonicalName()

Methods inherited from class java.lang.Object

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

Constructor Detail

CountFunction

public CountFunction()

Method Detail

getCanonicalName

public java.lang.String getCanonicalName()

Specified by:

getCanonicalName in interface Function

evaluate

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

Specified by:

evaluate in interface Function

Throws:

EvaluationException