org.jage.property.functions
Class MaxFunction

java.lang.Object
  org.jage.property.Property
      org.jage.property.functions.PropertyFunction
          org.jage.property.functions.NumericFunction
              org.jage.property.functions.MaxFunction

public class MaxFunction
extends NumericFunction

Maximum property function.

Author:

Tomek

Constructor Summary

MaxFunction(String functionName, String argumentsPattern, double defaultValue)
Constructor.

Method Summary

protected Object	computeValue(List<FunctionArgument> arguments) Computes function's value.
protected Class<?>	getReturnType() Returns Double.class.

Methods inherited from class org.jage.property.functions.NumericFunction

getArgumentValue

Methods inherited from class org.jage.property.functions.PropertyFunction

getMetaProperty, getValue, setArgumentsResolver, setValue

Methods inherited from class org.jage.property.Property

addMonitor, getMonitoringStrategy, getSimpleProperty, initializeMonitoringStrategy, notifyMonitors, notifyMonitors, objectDeleted, removeMonitor, toString

Methods inherited from class java.lang.Object

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

Constructor Detail

MaxFunction

public MaxFunction(String functionName,
                   String argumentsPattern,
                   double defaultValue)

Constructor.

Parameters:

functionName - name of the function.

argumentsPattern - pattern for arguments.

defaultValue - default value of function, returned when no arguments are passed to it.

Method Detail

computeValue

protected Object computeValue(List<FunctionArgument> arguments)
                       throws InvalidFunctionArgumentException

Computes function's value. It returns the greatest argument, or default value, if not arguments were given.

Specified by:

computeValue in class PropertyFunction

Parameters:

arguments - arguments for the function.

Returns:

value of the function.

Throws:

InvalidFunctionArgumentException - one of arguments is not valid.

getReturnType

protected Class<?> getReturnType()

Returns Double.class.

Specified by:

getReturnType in class PropertyFunction

Returns:

class for function's return value.