org.algernon.aam.opcode
Class DirectInstance

java.lang.Object
  org.jatha.dynatype.StandardLispValue
      org.algernon.aam.Opcode
          org.algernon.aam.opcode.DirectInstance

All Implemented Interfaces:

Comparable, LispValue

public class DirectInstance

extends Opcode

This opcode confirms or retrieves the direct instances of a class. Forms:

   (:DIRECT-INSTANCE People ?x)        -- retrieve all instances
   (:DIRECT-INSTANCE People ?x :INCLUSIVE)   -- retrieve all instances, including the class
   (:DIRECT-INSTANCE People "Fred")    -- Confirm a relation
   (:DIRECT-INSTANCE People "Fred" ?x) -- Confirm a relation and bind a variable.
 

User: hewett Date: Dec 31, 2002 Time: 1:05:26 PM

Field Summary

Fields inherited from class org.algernon.aam.Opcode

f_algy, m_name, m_numberOfArguments

Fields inherited from class org.jatha.dynatype.StandardLispValue

f_lisp

Constructor Summary

DirectInstance(Algernon algy, String name, int numArguments)

Method Summary

void	execute(Processor processor, AlgernonKBSet kbSet) Executes the DirectInstance opcode.

Methods inherited from class org.algernon.aam.Opcode

argumentToClass, argumentToClass, argumentToFacet, argumentToFacet, argumentToFrame, argumentToFrame, argumentToInstance, argumentToInstance, argumentToInstance, argumentToRelation, argumentToRelation, getName, getNumberOfArguments, setName, setNumberOfArguments, toString

Methods inherited from class org.jatha.dynatype.StandardLispValue

abs, acos, add, adjustSpecialCount, append, apply, apropos_print, asin, assoc, atan, atan2, atom, basic_atom, basic_bignump, basic_consp, basic_constantp, basic_floatp, basic_foreignp, basic_functionp, basic_integerp, basic_keywordp, basic_length, basic_listp, basic_macrop, basic_null, basic_numberp, basic_stringp, basic_symbolp, bignump, boundp, butlast, car, cdr, ceiling, characterp, clrhash, compareTo, concatenate, consp, constantp, contains, copy_list, copy, cos, cot, csc, degreesToRadians, divide, eighth, elt, elt, eq, eql, equal, equalNumeric, factorial, fboundp, fifth, first, floatp, floor, fourth, funcall, functionp, get_specialCount, gethash, gethash, getLisp, greaterThan, greaterThanOrEqual, hash_table_count, hash_table_rehash_size, hash_table_rehash_threshold, hash_table_size, hash_table_test, hashtablep, integerp, internal_getName, internal_prin1_as_cdr, internal_prin1, internal_princ_as_cdr, internal_princ, internal_print_as_cdr, internal_print, iterator, keywordp, last, length, lessThan, lessThanOrEqual, lisp_null, list, listp, max, member, min, multiply, nconc, negate, neql, ninth, nreverse, nstringCapitalize, nstringDowncase, nstringUpcase, numberp, pop, position, prin1, princ, print, push, radiansToDegrees, rassoc, reciprocal, remhash, remove, rest, reverse, rplaca, rplacd, sec, second, set_special, setf_gethash, setf_symbol_function, setf_symbol_plist, setf_symbol_value, setLisp, setPackage, setq, seventh, sin, sixth, specialP, sqrt, string, stringCapitalize, stringDowncase, stringEndsWith, stringEq, stringEqual, stringGreaterP, stringGreaterThan, stringGreaterThanOrEqual, stringLeftTrim, stringLeftTrim, stringLessP, stringLessThan, stringLessThanOrEqual, stringNeq, stringNotGreaterP, stringNotLessP, stringp, stringRightTrim, stringRightTrim, stringStartsWith, stringTrim, stringTrim, stringUpcase, subst, substring, substring, subtract, symbol_function, symbol_name, symbol_package, symbol_plist, symbol_value, symbolp, tan, tenth, third, toCollection, toJava, toJava, toString, toStringAsCdr_internal, toStringAsCdr, toStringShort, toStringShort, toStringSimple, type_of, typep, zerop

Methods inherited from class java.lang.Object

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

Constructor Detail

DirectInstance

public DirectInstance(Algernon algy,
                      String name,
                      int numArguments)

Method Detail

execute

public void execute(Processor processor,
                    AlgernonKBSet kbSet)
             throws AlgernonDataException

Executes the DirectInstance opcode.

   (:DIRECT-INSTANCE frame ?var)
   (:DIRECT-INSTANCE frame1 frame2)
 

Overrides:

execute in class Opcode

Throws:

AlgernonDataException