001package org.clafer.ir;
002
003import org.clafer.common.Check;
004
005/**
006 *
007 * @author jimmy
008 */
009public class IrCard extends IrAbstractInt {
010
011    private final IrSetExpr set;
012
013    IrCard(IrSetExpr set, IrDomain domain) {
014        super(domain);
015        this.set = Check.notNull(set);
016        if (!IrUtil.isSubsetOf(domain, set.getCard())) {
017            throw new IllegalArgumentException();
018        }
019    }
020
021    public IrSetExpr getSet() {
022        return set;
023    }
024
025    @Override
026    public <A, B> B accept(IrIntExprVisitor<A, B> visitor, A a) {
027        return visitor.visit(this, a);
028    }
029
030    @Override
031    public boolean equals(Object obj) {
032        if (obj instanceof IrCard) {
033            IrCard other = (IrCard) obj;
034            return set.equals(other.set) && super.equals(other);
035        }
036        return false;
037    }
038
039    @Override
040    public int hashCode() {
041        return 31 * set.hashCode();
042    }
043
044    @Override
045    public String toString() {
046        return "|" + set + "|";
047    }
048}