ExpressionWrapper.java

/*
** Module   : ExpressionWrapper.java
** Abstract : simple interface adapter for converting an Accessor into a
**            Resolvable
**
** Copyright (c) 2006-2017, Golden Code Development Corporation.
**
** -#- -I- --Date-- -T- --JPRM-- ----------------Description-----------------
** 001 GES 20061120 NEW   @31296 Created initial version. Convenience adapter
**                               for creating a Resolvable from an Accessor.
*/
/*
** 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.
** 
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*/

package com.goldencode.p2j.util;

/**
 * A convenience adapter class to create a {@link Resolvable} runtime
 * expression from an instance of an {@link Accessor}.
 */
public class ExpressionWrapper
extends GenericExpression
{
   /** The instance being exposed as an expression. */
   private Accessor wrappee = null;
   
   /**
    * Creates an instance based on the given object.
    *
    * @param    wrappee
    *           The delegated variable reference that must be exposed as an
    *           expression.
    */
   public ExpressionWrapper(Accessor wrappee)
   {
      this.wrappee = wrappee;
   }
   
   /**
    * Resolve this object to its current runtime value.
    *
    * @return  Resolved value.
    */
   public BaseDataType resolve()
   {
      return wrappee.get();
   }
}