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OpenL Constraint Programming engine

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package org.openl.ie.constrainer;

///////////////////////////////////////////////////////////////////////////////
/*
 * Copyright Exigen Group 1998, 1999, 2000
 * 320 Amboy Ave., Metuchen, NJ, 08840, USA, www.exigengroup.com
 *
 * The copyright to the computer program(s) herein
 * is the property of Exigen Group, USA. All rights reserved.
 * The program(s) may be used and/or copied only with
 * the written permission of Exigen Group
 * or in accordance with the terms and conditions
 * stipulated in the agreement/contract under which
 * the program(s) have been supplied.
 */
///////////////////////////////////////////////////////////////////////////////
/**
 * A generic implementation of a ConstrainerObject interface.
 */
public class ConstrainerObjectImpl implements ConstrainerObject {
    protected final Constrainer _constrainer;
    private Object _object;
    protected String _name;

    public ConstrainerObjectImpl(Constrainer c) {
        this(c, "");
    }

    /**
     * Constructor with a given constrainer and name.
     */
    public ConstrainerObjectImpl(Constrainer c, String name) {
        _constrainer = c;
        _object = null;
        if (c.showInternalNames()) {
            _name = name;
        } else {
            _name = "";
        }
    }

    /**
     * This method aborts the program execution. It prints the "msg" and displays the stack trace. Used to display
     * "impossible" errors.
     */
    public void abort(String msg) {
        Constrainer.abort(msg);
    }

    @Override
    final public Constrainer constrainer() {
        return _constrainer;
    }

    @Override
    final public String name() {
        return _name;
    }

    @Override
    public void name(String name) {
        _name = name;
    }

    @Override
    public Object object() {
        return _object;
    }

    @Override
    public void object(Object o) {
        _object = o;
    }

    /**
     * Sets name and manages symbolic context for this object.
     */
    protected void symbolicName(String name) {
        // String oldName = _name;
        _name = name;
        // try
        // {
        // constrainer().symbolicContext().renameVar(oldName,name,this);
        // }
        // catch(Exception e)
        // {
        // constrainer().out().println(e.getMessage());
        // }
    }

    /**
     * Returns a String representation of this object.
     *
     * @return a String representation of this object.
     */
    @Override
    public String toString() {
        return _name;
    }
} // ~ConstrainerObjectImpl