Package jason.stdlib

Class df_deregister

java.lang.Object

jason.asSemantics.DefaultInternalAction

jason.stdlib.df_register

jason.stdlib.df_deregister

All Implemented Interfaces:

InternalAction, Serializable

@Manual(literal=".df_deregister(service[,type])",
        hint="removes the agent in the Directory Facilitator as a provider of the service and, optionally, the type",
        argsHint={"the service the agent is registered","the type of the service [optional]"},
        argsType={"literal","string"},
        examples={".df_deregister(\"sell(book)\"): deregister the agent as a book seller",".df_deregister(\"expert(stocks)\",\"finantial-consultant\"): deregister the agent as an expert in stocks of type \"finantial-consultant\""},
        seeAlso={"jason.stdlib.df_register","jason.stdlib.df_search","jason.stdlib.df_subscribe"})
public class df_deregister
extends df_register

Internal action: .df_deregister(S [,T]).

Description: removes the agent in the Directory Facilitator as a provider of service S of type T (see FIPA specification). An optional second argument can be used to define the type of the service.

Parameters:

• - service (literal): the service the agent is registered.
• - type (string -- optional): the type of the service.

Examples:

• .df_deregister("sell(book)"): deregister the agent as a book seller.

See Also:

• df_register
• df_search
• df_subscribe
• Serialized Form

Constructor Summary

Constructors

Constructor	Description
df_deregister()

Method Summary

Modifier and Type	Method	Description
static InternalAction	create()
Object	execute(TransitionSystem ts, Unifier un, Term[] args)	Executes the internal action.
int	getMaxArgs()
int	getMinArgs()

Methods inherited from class jason.stdlib.df_register

getService, getType

Methods inherited from class jason.asSemantics.DefaultInternalAction

canBeUsedInContext, checkArguments, destroy, prepareArguments, suspendIntention

Methods inherited from class java.lang.Object

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

Constructor Details

df_deregister

public df_deregister()

Method Details

create

public static InternalAction create()

getMinArgs

public int getMinArgs()

Overrides:

getMinArgs in class df_register

getMaxArgs

public int getMaxArgs()

Overrides:

getMaxArgs in class df_register

execute

public Object execute(TransitionSystem ts,
 Unifier un,
 Term[] args)
               throws Exception

Description copied from interface: InternalAction

Executes the internal action. It should return a Boolean or an Iterator. A true boolean return means that the IA was successfully executed. An Iterator result means that there is more than one answer for this IA (e.g. see member internal action).

Specified by:

execute in interface InternalAction

Overrides:

execute in class df_register

Throws:

Exception