Package com.aquima.interactions.expressions.functions.date

Class AbstractDatePartFunction

java.lang.Object

com.aquima.interactions.expressions.functions.date.AbstractDatePartFunction

All Implemented Interfaces:

IFunction, Serializable

Direct Known Subclasses:

Day, Hour, Minute, Month, Second, Year

public abstract class AbstractDatePartFunction
extends Object
implements IFunction

Abstract base class for functions that returns a part/unit of a date(time) value.

Since:

7.1

Author:

Jon van Leuven

See Also:

Serialized Form

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	AbstractDatePartFunction(DataType type)

Method Summary

Modifier and Type	Method	Description
Type	determineResultType(ISemanticNode... arguments)	This method is used to determine the result type of the function using the type information of the parameters that will be passed to the function.
IValue	evaluate(IArgumentList arguments)	This method should execute the function using the supplied arguments.
IArgumentType[]	getArguments()	This method returns an array containing the definitions of the arguments the function expects.
abstract String	getName()	This method returns the name of the function.
protected abstract IntegerValue	getPart(DateValue date)
boolean	isDeprecated()	This method returns a boolean indicating that the function is deprecated and should no longer be used.

Methods inherited from class java.lang.Object

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

Constructor Detail

AbstractDatePartFunction

protected AbstractDatePartFunction(DataType type)

Method Detail

getName

public abstract String getName()

Description copied from interface: IFunction

This method returns the name of the function.

Specified by:

getName in interface IFunction

Returns:

the name of the function.

getPart

protected abstract IntegerValue getPart(DateValue date)

evaluate

public IValue evaluate(IArgumentList arguments)

Description copied from interface: IFunction

This method should execute the function using the supplied arguments.

Specified by:

evaluate in interface IFunction

Parameters:

arguments - The arguments for the function.

Returns:

The result of the function.

getArguments

public IArgumentType[] getArguments()

Description copied from interface: IFunction

This method returns an array containing the definitions of the arguments the function expects. When the function does not accept any arguments at all, an empty array should be returned.

Specified by:

getArguments in interface IFunction

Returns:

Array containing the definitions of the parameters.

determineResultType

public Type determineResultType(ISemanticNode... arguments)

Description copied from interface: IFunction

This method is used to determine the result type of the function using the type information of the parameters that will be passed to the function.

Specified by:

determineResultType in interface IFunction

Parameters:

arguments - The type information of the parameters.

Returns:

The result type of the function.

isDeprecated

public boolean isDeprecated()

Description copied from interface: IFunction

This method returns a boolean indicating that the function is deprecated and should no longer be used. Functions that are not deprecated should return the value false.

Specified by:

isDeprecated in interface IFunction

Returns:

A message indicating that the function is deprecated.