/* ================================================================
* 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.schema;
import net.sf.jsqlparser.expression.Expression;
import net.sf.jsqlparser.expression.ExpressionVisitor;
/**
* A column. It can have the table name it belongs to.
*/
public class Column implements Expression {
private String columnName = "";
private Table table;
public Column() {
}
public Column(Table table, String columnName) {
this.table = table;
this.columnName = columnName;
}
public String getColumnName() {
return columnName;
}
public Table getTable() {
return table;
}
public void setColumnName(String string) {
columnName = string;
}
public void setTable(Table table) {
this.table = table;
}
/**
* @return the name of the column, prefixed with 'tableName' and '.'
*/
public String getWholeColumnName() {
String columnWholeName = null;
String tableWholeName = table.getWholeTableName();
if (tableWholeName != null && tableWholeName.length() != 0) {
columnWholeName = tableWholeName + "." + columnName;
} else {
columnWholeName = columnName;
}
return columnWholeName;
}
public void accept(ExpressionVisitor expressionVisitor) {
expressionVisitor.visit(this);
}
public String toString() {
return getWholeColumnName();
}
}