/* ================================================================
 * JSQLParser : java based sql parser 
 * ================================================================
 *
 * Project Info:  http://jsqlparser.sourceforge.net
 * Project Lead:  Leonardo Francalanci (leoonardoo@yahoo.it);
 *
 * (C) Copyright 2004, by Leonardo Francalanci
 *
 * This library 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 library 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 Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License along with this
 * library; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
 * Boston, MA 02111-1307, USA.
 */
package net.sf.jsqlparser.statement.select;

import net.sf.jsqlparser.expression.Expression;
import net.sf.jsqlparser.expression.ExpressionVisitor;
import net.sf.jsqlparser.expression.operators.relational.ItemsList;
import net.sf.jsqlparser.expression.operators.relational.ItemsListVisitor;

/**
 * A subselect followed by an optional alias.
 */
public class SubSelect implements FromItem, Expression, ItemsList {

    private SelectBody selectBody;
    private Alias alias;
    private String commentBeginBracket;
    private String commentEndBracket;
    private boolean replace = false;

    @Override
    public void accept(FromItemVisitor fromItemVisitor) {
        fromItemVisitor.visit(this);
    }

    public SelectBody getSelectBody() {
        return selectBody;
    }

    public void setSelectBody(SelectBody body) {
        selectBody = body;
    }

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

    @Override
    public Alias getAlias() {
        return alias;
    }

    public String getAliasName() {
        return alias != null ? alias.getName() : "";
    }

    @Override
    public void setAlias(Alias aValue) {
        alias = aValue;
    }

    @Override
    public void accept(ItemsListVisitor itemsListVisitor) {
        itemsListVisitor.visit(this);
    }

    @Override
    public String toString() {
        return (getCommentBeginBracket() != null ? getCommentBeginBracket() + " " : "") + (isReplace() ? "" : "(") + selectBody + (getCommentEndBracket() != null ? " " + getCommentEndBracket() : "") + (isReplace() ? "" : ")") + (alias != null ? " " + alias : "");
    }

    /**
     * @return the commentBeginBracket
     */
    public String getCommentBeginBracket() {
        return commentBeginBracket;
    }

    /**
     * @param commentBeginBracket the commentBeginBracket to set
     */
    public void setCommentBeginBracket(String commentBeginBracket) {
        this.commentBeginBracket = commentBeginBracket;
    }

    /**
     * @return the commentEndBracket
     */
    public String getCommentEndBracket() {
        return commentEndBracket;
    }

    /**
     * @param commentEndBracket the commentEndBracket to set
     */
    public void setCommentEndBracket(String commentEndBracket) {
        this.commentEndBracket = commentEndBracket;
    }

    /**
     * @return the replace
     */
    public boolean isReplace() {
        return replace;
    }

    /**
     * @param replace the replace to set
     */
    public void setReplace(boolean replace) {
        this.replace = replace;
    }
}
