ua.gradsoft.termware.set
Class AbstractSetTerm

java.lang.Object
  ua.gradsoft.termware.Term
      ua.gradsoft.termware.AbstractComplexTerm
          ua.gradsoft.termware.set.AbstractSetTerm

All Implemented Interfaces:

Serializable, Cloneable

Direct Known Subclasses:

SetTerm

public abstract class AbstractSetTerm
extends AbstractComplexTerm

set term, - subterms are elements of set, ordered in our natural order

See Also:

Serialized Form

Field Summary

Fields inherited from class ua.gradsoft.termware.AbstractComplexTerm

emptyFv_

Constructor Summary

AbstractSetTerm()

Method Summary

PartialOrderingResult	concreteOrder(Term x, Substitution s) compare for 'more concrete' relation.
abstract Term	createSame(Term[] newBody) create term, with same name but new body.
int	findBoundUnifyIndex(Term t, Substitution s) return first index, which matched term t or throw MatchingFailure.
int	findSubtermBoundEqualsTo(Term t)
abstract int	getArity() get arity of term.
String	getName() get name of term.
Object	getNameIndex() get name index in bounded symbol table or sust string, if name in symbol table does not exists.
abstract Term	getSubtermAt(int i) get i-th subterm.
abstract int	index(Term t)
abstract int	indirectionLevel() level of indirection - abstract set term can be setTerm or chain of SetTermWithoutElmenent
abstract void	insert(Term t)
abstract boolean	isEmpty()
abstract void	setSubtermAt(int i, Term t) set i-th subterm.
abstract boolean	substInside(Substitution s) apply substitution s to current term.
Term	termClone() do 'deep-clone' of object.

Methods inherited from class ua.gradsoft.termware.AbstractComplexTerm

boundEquals, boundUnify, clone, emptyFv, findSubtermIndexBoundEqualsTo, freeEquals, freeUnify, getBigDecimal, getBigInteger, getBoolean, getByte, getChar, getDouble, getFloat, getInt, getJavaObject, getLong, getNumber, getPatternName, getPatternNameIndex, getPrimaryType0, getShort, getString, getTerm, getXIndex, isAtom, isBigDecimal, isBigInteger, isBoolean, isByte, isChar, isComplexTerm, isDouble, isFloat, isInt, isJavaObject, isLong, isNil, isNumber, isShort, isString, isX, maxFv, minFv, normalizeFv, print, recheckEmptyFv, resetFV, shiftFv, subst, termCompare

Methods inherited from class ua.gradsoft.termware.Term

containsSubtermBoundEqualsTo, getAsBigDecimal, getAsBigInteger, getAsBoolean, getAsByte, getAsChar, getAsDouble, getAsFloat, getAsInt, getAsJavaObject, getAsLong, getAsNumber, getAsShort, getAsString, getPrimaryType1, print, println, println

Methods inherited from class java.lang.Object

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

Constructor Detail

AbstractSetTerm

public AbstractSetTerm()

Method Detail

createSame

public abstract Term createSame(Term[] newBody)
                         throws TermWareException

Description copied from class: Term

create term, with same name but new body. If this term have arity 0, or other than original - throws exception.

Specified by:

createSame in class AbstractComplexTerm

Throws:

TermWareException

getName

public final String getName()

Description copied from class: AbstractComplexTerm

get name of term. (i. e. functional symbold)

Specified by:

getName in class AbstractComplexTerm

Returns:

name

getNameIndex

public final Object getNameIndex()

Description copied from class: AbstractComplexTerm

get name index in bounded symbol table or sust string, if name in symbol table does not exists.

Specified by:

getNameIndex in class AbstractComplexTerm

getArity

public abstract int getArity()

Description copied from class: AbstractComplexTerm

get arity of term.

Specified by:

getArity in class AbstractComplexTerm

Returns:

arity of term

getSubtermAt

public abstract Term getSubtermAt(int i)

Description copied from class: AbstractComplexTerm

get i-th subterm.

Specified by:

getSubtermAt in class AbstractComplexTerm

Parameters:

i - - index of subterm to get.

Returns:

subterm, which located by index i

setSubtermAt

public abstract void setSubtermAt(int i,
                                  Term t)
                           throws TermWareException

Description copied from class: AbstractComplexTerm

set i-th subterm.

Specified by:

setSubtermAt in class AbstractComplexTerm

Parameters:

i - - indext of subterm to set.

t - - subterm to set.

Throws:

TermWareException

substInside

public abstract boolean substInside(Substitution s)
                             throws TermWareException

apply substitution s to current term.

Overrides:

substInside in class AbstractComplexTerm

Returns:

true, if substitution change term, otherwise false

Throws:

TermWareException

termClone

public Term termClone()
               throws TermWareException

Description copied from class: AbstractComplexTerm

do 'deep-clone' of object. i. e. after calling termClone we sure, that call of setSubtermAt() in any subtree of deepClone of original term does not affect original term.

Specified by:

termClone in class AbstractComplexTerm

Throws:

TermWareException

findSubtermBoundEqualsTo

public int findSubtermBoundEqualsTo(Term t)
                             throws TermWareException

Throws:

TermWareException

findBoundUnifyIndex

public int findBoundUnifyIndex(Term t,
                               Substitution s)
                        throws TermWareException

return first index, which matched term t or throw MatchingFailure.

Throws:

TermWareException

concreteOrder

public PartialOrderingResult concreteOrder(Term x,
                                           Substitution s)
                                    throws TermWareException

Description copied from class: Term

compare for 'more concrete' relation. i. e. x.<(concrete)<(y) means, that for each substitution of free variables sx exists substituion sy : x[sx] = y[sy] .
Substitution s store previously matched variables.

Specified by:

concreteOrder in class Term

Throws:

TermWareException

insert

public abstract void insert(Term t)
                     throws TermWareException

Throws:

TermWareException

isEmpty

public abstract boolean isEmpty()

index

public abstract int index(Term t)
                   throws TermWareException

Throws:

TermWareException

indirectionLevel

public abstract int indirectionLevel()

level of indirection - abstract set term can be setTerm or chain of SetTermWithoutElmenent