net.sf.jsqlparser.expression.operators.relational.ExistsExpression Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of jsqlparser

JSqlParser parses an SQL statement and translate it into a hierarchy of Java classes. The generated hierarchy can be navigated using the Visitor Pattern.

There is a newer version: 0.9.6.1

Show newest version

/*
 * #%L
 * JSQLParser library
 * %%
 * Copyright (C) 2004 - 2013 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.Expression;
import net.sf.jsqlparser.expression.ExpressionVisitor;

public class ExistsExpression implements Expression {

	private Expression rightExpression;
	private boolean not = false;

	public Expression getRightExpression() {
		return rightExpression;
	}

	public void setRightExpression(Expression expression) {
		rightExpression = expression;
	}

	public boolean isNot() {
		return not;
	}

	public void setNot(boolean b) {
		not = b;
	}

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

	public String getStringExpression() {
		return (not ? "NOT " : "") + "EXISTS";
	}

	@Override
	public String toString() {
		return getStringExpression() + " " + rightExpression.toString();
	}
}