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package uk.ac.manchester.cs.factplusplusad;
import org.semanticweb.owlapi.model.OWLClass;
import org.semanticweb.owlapi.model.OWLClassExpression;
import org.semanticweb.owlapi.model.OWLDataAllValuesFrom;
import org.semanticweb.owlapi.model.OWLDataExactCardinality;
import org.semanticweb.owlapi.model.OWLDataMaxCardinality;
import org.semanticweb.owlapi.model.OWLDataMinCardinality;
import org.semanticweb.owlapi.model.OWLDataProperty;
import org.semanticweb.owlapi.model.OWLDataSomeValuesFrom;
import org.semanticweb.owlapi.model.OWLEntity;
import org.semanticweb.owlapi.model.OWLObject;
import org.semanticweb.owlapi.model.OWLObjectAllValuesFrom;
import org.semanticweb.owlapi.model.OWLObjectExactCardinality;
import org.semanticweb.owlapi.model.OWLObjectMaxCardinality;
import org.semanticweb.owlapi.model.OWLObjectMinCardinality;
import org.semanticweb.owlapi.model.OWLObjectProperty;
import org.semanticweb.owlapi.model.OWLObjectSomeValuesFrom;
import org.semanticweb.owlapi.model.OWLObjectVisitor;
import org.semanticweb.owlapi.model.OWLPropertyExpression;
import org.semanticweb.owlapi.model.OWLPropertyRange;
abstract class CardinalityEvaluatorBase extends SigAccessor implements OWLObjectVisitor {
UpperBoundDirectEvaluator ubd;
LowerBoundDirectEvaluator lbd;
UpperBoundComplementEvaluator ubc;
LowerBoundComplementEvaluator lbc;
/**
* keep the value here
*/
int value = 0;
/**
* init c'tor
*
* @param s signature
*/
CardinalityEvaluatorBase(Signature s) {
super(s);
}
/**
* return minimal of the two Upper Bounds
*
* @param uv1 values to compare
* @param uv2 values to compare
* @return min value
*/
int minUpperValue(int uv1, int uv2) {
// noUpperValue is a maximal element
if (uv1 == noUpperValue()) {
return uv2;
}
if (uv2 == noUpperValue()) {
return uv1;
}
// now return the smallest value, with anyUpperValue being
// the smallest and deal with automatically
return Math.min(uv1, uv2);
}
/**
* @return special value for concepts that are not in C[C}^{<= n}
*/
int noUpperValue() {
return -1;
}
/**
* @return special value for concepts that are in C[C]^{<= n} for all n
*/
int anyUpperValue() {
return 0;
}
/**
* @param condition condition to test
* @return all or none values depending on the condition
*/
int getAllNoneUpper(boolean condition) {
return condition ? anyUpperValue() : noUpperValue();
}
/**
* @return special value for concepts that are not in C[C]^{>= n}
*/
int noLowerValue() {
return 0;
}
/**
* @return special value for concepts that are in C[C]^{>= n} for all n
*/
int anyLowerValue() {
return -1;
}
/**
* @param condition condition to test
* @return 1 or none values depending on the condition
*/
int getOneNoneLower(boolean condition) {
return condition ? 1 : noLowerValue();
}
/**
* @return special value for concepts that are in C^{<= n} for all n
*/
int getAllValue() {
return 0;
}
/**
* @return special value for concepts that are not in C^{<= n}
*/
int getNoneValue() {
return -1;
}
int getUpperBoundDirect(OWLObject expr) {
return ubd.getValue(expr);
}
int getUpperBoundComplement(OWLObject expr) {
return ubc.getValue(expr);
}
int getLowerBoundDirect(OWLObject expr) {
return lbd.getValue(expr);
}
int getLowerBoundComplement(OWLObject expr) {
return lbc.getValue(expr);
}
/**
* Main method to use.
*
* @param expr expression
* @return value
*/
int getValue(OWLObject expr) {
expr.accept(this);
return value;
}
/**
* @param v value to test
* @param m upper limit
* @return true if given upper VALUE is less than M
*/
boolean isUpperLT(int v, int m) {
if (v == noUpperValue()) {
return false;
}
return v == anyUpperValue() || v < m;
}
/**
* @param v value to test
* @param m upper limit
* @return true if given upper VALUE is less than or equal to M
*/
boolean isUpperLE(int v, int m) {
return isUpperLT(v, m + 1);
}
/**
* @param v value to test
* @param m upper limit
* @return true if given lower VALUE is greater than or equal to M
*/
boolean isLowerGE(int v, int m) {
if (v == noLowerValue()) {
return false;
}
return v == anyLowerValue() || v >= m;
}
/**
* @param v value to test
* @param m upper limit
* @return true if given upper VALUE is greater than M
*/
boolean isLowerGT(int v, int m) {
return isLowerGE(v, m + 1);
}
boolean isBotEquivalent(OWLObject expr) {
return isUpperLE(getUpperBoundDirect(expr), 0);
}
boolean isTopEquivalent(OWLObject expr) {
return isUpperLE(getUpperBoundComplement(expr), 0);
}
abstract int getEntityValue(OWLEntity entity);
abstract int getForallValue(OWLPropertyExpression r, OWLPropertyRange c);
abstract int getMinValue(int m, OWLPropertyExpression r, OWLPropertyRange c);
abstract int getMaxValue(int m, OWLPropertyExpression r, OWLPropertyRange c);
abstract int getExactValue(int m, OWLPropertyExpression r, OWLPropertyRange c);
void setEvaluators(UpperBoundDirectEvaluator pUD, LowerBoundDirectEvaluator pLD,
UpperBoundComplementEvaluator pUC,
LowerBoundComplementEvaluator pLC) {
ubd = pUD;
lbd = pLD;
ubc = pUC;
lbc = pLC;
assert ubd == this || lbd == this || ubc == this || lbc == this;
}
int getUpperBoundDirect(OWLClassExpression expr) {
return getUpperBoundDirect(expr);
}
int getUpperBoundComplement(OWLClassExpression expr) {
return getUpperBoundComplement(expr);
}
int getLowerBoundDirect(OWLClassExpression expr) {
return getLowerBoundDirect(expr);
}
int getLowerBoundComplement(OWLClassExpression expr) {
return getLowerBoundComplement(expr);
}
// concept expressions
@Override
public void visit(OWLClass expr) {
value = getEntityValue(expr);
}
@Override
public void visit(OWLObjectSomeValuesFrom expr) {
value = getMinValue(1, expr.getProperty(), expr.getFiller());
}
@Override
public void visit(OWLObjectAllValuesFrom expr) {
value = getForallValue(expr.getProperty(), expr.getFiller());
}
@Override
public void visit(OWLObjectMinCardinality expr) {
value = getMinValue(expr.getCardinality(), expr.getProperty(), expr.getFiller());
}
@Override
public void visit(OWLObjectMaxCardinality expr) {
value = getMaxValue(expr.getCardinality(), expr.getProperty(), expr.getFiller());
}
@Override
public void visit(OWLObjectExactCardinality expr) {
value = getExactValue(expr.getCardinality(), expr.getProperty(), expr.getFiller());
}
@Override
public void visit(OWLDataSomeValuesFrom expr) {
value = getMinValue(1, expr.getProperty(), expr.getFiller());
}
@Override
public void visit(OWLDataAllValuesFrom expr) {
value = getForallValue(expr.getProperty(), expr.getFiller());
}
@Override
public void visit(OWLDataMinCardinality expr) {
value = getMinValue(expr.getCardinality(), expr.getProperty(), expr.getFiller());
}
@Override
public void visit(OWLDataMaxCardinality expr) {
value = getMaxValue(expr.getCardinality(), expr.getProperty(), expr.getFiller());
}
@Override
public void visit(OWLDataExactCardinality expr) {
value = getExactValue(expr.getCardinality(), expr.getProperty(), expr.getFiller());
}
// object role expressions
@Override
public void visit(OWLObjectProperty p) {
value = getEntityValue(p);
}
// data role expressions
@Override
public void visit(OWLDataProperty expr) {
value = getEntityValue(expr);
}
}
