EnumObject.java

/*
** Module   : EnumObject.java
** Abstract : Wrapper class for legacy ENUM 4GL instances which are defined as constants JVM-wide.
**
** Copyright (c) 2023, Golden Code Development Corporation.
**
** -#- -I- --Date-- ---------------------------------------Description---------------------------------------
** 001 CA  20230731 Legacy ENUM is stored in a EnumObject instance - this ensures that when they are created,
**                  no context is saved for them, as they are JVM-wide constants. 
*/

/*
** This program is free software: you can redistribute it and/or modify
** it under the terms of the GNU Affero General Public License as
** published by the Free Software Foundation, either version 3 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 Affero General Public License for more details.
**
** You may find a copy of the GNU Affero GPL version 3 at the following
** location: https://www.gnu.org/licenses/agpl-3.0.en.html
** 
** Additional terms under GNU Affero GPL version 3 section 7:
** 
**   Under Section 7 of the GNU Affero GPL version 3, the following additional
**   terms apply to the works covered under the License.  These additional terms
**   are non-permissive additional terms allowed under Section 7 of the GNU
**   Affero GPL version 3 and may not be removed by you.
** 
**   0. Attribution Requirement.
** 
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** 
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*/

package com.goldencode.p2j.util;

import com.goldencode.p2j.oo.lang.*;

/**
 * Wrapper class for all OO 4GL ENUM instance, defined as constants JVM-wide. 
 * <p>
 * These instances are the ones saved at the enum definition's <code>public static final</code> fields.
 */
public class EnumObject<T extends LegacyEnum>
extends object<T>
{
   /**
    * Initialize this object with the given reference.
    * 
    * @param    ref
    *           The reference.
    */
   public EnumObject(T ref)
   {
      super(ref);
      
      // reset the helper instance
      this.helper = null;
   }
      
   /**
    * Determines if this instance is valid (to be used).
    *
    * @return   Always <code>true</code>.
    */
   @Override
   public boolean _isValid()
   {
      return true;
   }
   
   /**
    * Reports if this instance represents the <code>unknown value</code>.
    *
    * @return   Always <code>false</code>.
    */
   @Override
   public boolean isUnknown()
   {
      return false;
   }
}