/*
 * Copyright 2004 Sun Microsystems, Inc.  All Rights Reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.  Sun designates this
 * particular file as subject to the "Classpath" exception as provided
 * by Sun in the LICENSE file that accompanied this code.
 *
 * This code 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
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
 * CA 95054 USA or visit www.sun.com if you need additional information or
 * have any questions.
 */

package sun.tools.jstat;

/**
 * An Expression subclass that describes the variable operands of an
 * expression. Objects of this type are always leaves of an expression tree.
 *
 * @author Brian Doherty
 * @since 1.5
 */
public class Identifier extends Expression {

    private String name;
    private Object value;

    public Identifier(String name) {
        super();
        this.name = name;
    }

    public String getName() {
        return name;
    }

    public void setValue(Object value) {
        this.value = value;
    }

    public Object getValue() {
        return value;
    }

    public boolean isResolved() {
        return value != null;
    }

    public String toString() {
        return name;
    }
}
