org.pentaho.reporting.libraries.formula.function.math

Class AverageFunctionDescription

java.lang.Object

org.pentaho.reporting.libraries.formula.function.AbstractFunctionDescription

org.pentaho.reporting.libraries.formula.function.math.AverageFunctionDescription

All Implemented Interfaces:

Serializable, FunctionDescription

public class AverageFunctionDescription
extends AbstractFunctionDescription

Describes AverageFunction function.

Author:

Cedric Pronzato

See Also:

AverageFunction, Serialized Form

Constructor Summary

Constructors

Constructor and Description
AverageFunctionDescription()

Method Summary

Modifier and Type	Method and Description
FunctionCategory	getCategory()
int	getParameterCount()
Type	getParameterType(int position) Returns the parameter type at the given position using the function metadata.
Type	getValueType()
boolean	isInfiniteParameterCount()
boolean	isParameterMandatory(int position) Defines, whether the parameter at the given position is mandatory.

Methods inherited from class org.pentaho.reporting.libraries.formula.function.AbstractFunctionDescription

getCanonicalName, getDefaultValue, getDescription, getDisplayName, getParameterDescription, getParameterDisplayName, isDeprecated, isExperimental, isVolatile

Methods inherited from class java.lang.Object

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

Constructor Detail

AverageFunctionDescription

public AverageFunctionDescription()

Method Detail

getValueType

public Type getValueType()

getParameterCount

public int getParameterCount()

isInfiniteParameterCount

public boolean isInfiniteParameterCount()

Specified by:

isInfiniteParameterCount in interface FunctionDescription

Overrides:

isInfiniteParameterCount in class AbstractFunctionDescription

getParameterType

public Type getParameterType(int position)

Description copied from interface: FunctionDescription

Returns the parameter type at the given position using the function metadata. The first parameter is at the position 0;

Parameters:

position - The parameter index.

Returns:

The parameter type.

isParameterMandatory

public boolean isParameterMandatory(int position)

Defines, whether the parameter at the given position is mandatory. A mandatory parameter must be filled in, while optional parameters need not to be filled in.

Returns:

getCategory

public FunctionCategory getCategory()