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/*
 * #%L
 * JSQLParser library
 * %%
 * Copyright (C) 2004 - 2014 JSQLParser
 * %%
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as
 * published by the Free Software Foundation, either version 2.1 of the
 * License, or (at your option) any later version.
 * 
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Lesser Public License for more details.
 * 
 * You should have received a copy of the GNU General Lesser Public
 * License along with this program.  If not, see
 * .
 * #L%
 */
package net.sf.jsqlparser.expression.operators.relational;

import net.sf.jsqlparser.expression.BinaryExpression;
import net.sf.jsqlparser.expression.ExpressionVisitor;

public class RegExpMySQLOperator extends BinaryExpression {

    private RegExpMatchOperatorType operatorType;
    private boolean useRLike = false;

    public RegExpMySQLOperator(RegExpMatchOperatorType operatorType) {
        if (operatorType == null) {
            throw new NullPointerException();
        }
        this.operatorType = operatorType;
    }

    public RegExpMatchOperatorType getOperatorType() {
        return operatorType;
    }

    public boolean isUseRLike() {
        return useRLike;
    }

    public RegExpMySQLOperator useRLike() {
        useRLike = true;
        return this;
    }

    @Override
    public void accept(ExpressionVisitor expressionVisitor) {
        expressionVisitor.visit(this);
    }

    @Override
    public String getStringExpression() {
        return (useRLike ? "RLIKE" : "REGEXP")
                + (operatorType == RegExpMatchOperatorType.MATCH_CASESENSITIVE ? " BINARY" : "");
    }
}