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TIdentifier.java

/*
*  Name:      TIdentifier.java
*  Author:    Rafael Jesus Alcantara Perez
*  Summary:   SQL type identifier.
*  Date:      $Date: 2003/07/29 16:47:50 $
*  Revision:  $Revision: 1.5 $
*
*  Copyright (C) 2002-2003  Rafael Jesus Alcantara Perez <rafa@dedalo-ing.com>
*
*  This program is free software; you can redistribute it and/or modify
*  it under the terms of the GNU General Public License as published by
*  the Free Software Foundation; either version 2 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 Public License for more details.
*
*  You should have received a copy of the GNU General Public License
*  along with this program; if not, write to the Free Software
*  Foundation, Inc., 59 Temple Place, Suite 330, Boston,
*  MA 02111-1307, USA.
*/

package org.uesqlc;


public class TIdentifier implements IType
{

  protected String   yValue = null;


  //
  //  C O N S T R U C T O R S
  //

  public TIdentifier() {}

  public TIdentifier (final TIdentifier ktIDENTIFIER)
  {
    if ( ktIDENTIFIER != null )
    {
      yValue = new String (ktIDENTIFIER.yValue);
    }
  }

  public TIdentifier (final String kySTRING)
  {
    if ( kySTRING != null )
    {
      yValue = new String (kySTRING);
    }
  }

  public IType set (final Object ktVALUE)
  {
    if ( ktVALUE == null )
    {
      yValue = null;
    }
    else
    {
      yValue = new String ((String) ktVALUE);
    }
    return this;
  }


  //
  //  S E L E C T O R S
  //

  public static TIdentifier _valueOf (final String kySOURCE)
  {
    return new TIdentifier (kySOURCE);
  }

  public String get()
  {

    String   yResult;

    if ( isNull() )
    {
      yResult = "null";
    }
    else
    {
      yResult = yValue.toString();
    }
    return yResult;

  }  // get()

  public boolean isNull()
  {
    return ( yValue == null );
  }

  public String toString()
  {
    return ( yValue == null ) ? null : yValue.toString();
  }

}  // class TIdentifier

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