com.hp.hpl.jena.reasoner.rulesys.builtins
Class TableAll

java.lang.Object
  extended by com.hp.hpl.jena.reasoner.rulesys.builtins.BaseBuiltin
      extended by com.hp.hpl.jena.reasoner.rulesys.builtins.TableAll
All Implemented Interfaces:
Builtin

public class TableAll
extends BaseBuiltin

Arrange that all backchaining goals should be tabled (aka memoized) by the LP engine.

Version:
$Revision: 1.9 $ on $Date: 2008/01/02 12:06:21 $
Author:
Dave Reynolds

Field Summary
 
Fields inherited from class com.hp.hpl.jena.reasoner.rulesys.builtins.BaseBuiltin
BASE_URI
 
Constructor Summary
TableAll()
           
 
Method Summary
 java.lang.String getName()
          Return a name for this builtin, normally this will be the name of the functor that will be used to invoke it.
 void headAction(Node[] args, int length, RuleContext context)
          This method is invoked when the builtin is called in a rule body.
 
Methods inherited from class com.hp.hpl.jena.reasoner.rulesys.builtins.BaseBuiltin
bodyCall, checkArgs, getArg, getArgLength, getURI, isMonotonic, isSafe
 
Methods inherited from class java.lang.Object
equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

TableAll

public TableAll()
Method Detail

getName

public java.lang.String getName()
Return a name for this builtin, normally this will be the name of the functor that will be used to invoke it.


headAction

public void headAction(Node[] args,
                       int length,
                       RuleContext context)
This method is invoked when the builtin is called in a rule body.

Specified by:
headAction in interface Builtin
Overrides:
headAction in class BaseBuiltin
Parameters:
args - the array of argument values for the builtin, this is an array of Nodes, some of which may be Node_RuleVariables.
length - the length of the argument list, may be less than the length of the args array for some rule engines
context - an execution context giving access to other relevant data


Copyright � 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008 Hewlett-Packard Development Company, LP