001package org.clafer.ir;
002
003import java.util.Arrays;
004import org.clafer.common.Check;
005
006/**
007 *
008 * @author jimmy
009 */
010public class IrSortStrings extends IrAbstractBool implements IrBoolExpr {
011
012    private final IrIntExpr[][] strings;
013    private final boolean strict;
014
015    IrSortStrings(IrIntExpr[][] strings, boolean strict, IrBoolDomain domain) {
016        super(domain);
017        this.strings = Check.noNullsNotEmpty(strings);
018        this.strict = strict;
019    }
020
021    public IrIntExpr[][] getStrings() {
022        return strings;
023    }
024
025    public boolean isStrict() {
026        return strict;
027    }
028
029    @Override
030    public IrBoolExpr negate() {
031        return new IrNot(this, getDomain().invert());
032    }
033
034    @Override
035    public boolean isNegative() {
036        return false;
037    }
038
039    @Override
040    public <A, B> B accept(IrBoolExprVisitor<A, B> visitor, A a) {
041        return visitor.visit(this, a);
042    }
043
044    @Override
045    public <A, B> B accept(IrIntExprVisitor<A, B> visitor, A a) {
046        return visitor.visit(this, a);
047    }
048
049    @Override
050    public boolean equals(Object obj) {
051        if (obj instanceof IrSortStrings) {
052            IrSortStrings other = (IrSortStrings) obj;
053            return Arrays.deepEquals(strings, other.strings) && strict == other.strict;
054        }
055        return false;
056    }
057
058    @Override
059    public int hashCode() {
060        return Arrays.deepHashCode(strings) ^ (strict ? 1 : 0);
061    }
062}