content: /* ================================================================
   * 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();
  	}
  }
  