/*

 * Copyright (c) 2014, 2015, Oracle and/or its affiliates. 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.  Oracle designates this

 * particular file as subject to the "Classpath" exception as provided

 * by Oracle 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

 * or visit www.oracle.com if you need additional information or have any

 * questions.

 */

package com.sun.tools.sjavac.pubapi;

import java.io.Serializable;

import java.util.Optional;

import java.util.Set;

import javax.lang.model.element.Modifier;

public class PubVar implements Serializable {

    private static final long serialVersionUID = 5806536061153374575L;

    public final Set<Modifier> modifiers;

    public final TypeDesc type;

    public final String identifier;

    private final String constValue;

    public PubVar(Set<Modifier> modifiers,

                  TypeDesc type,

                  String identifier,

                  String constValue) {

        this.modifiers = modifiers;

        this.type = type;

        this.identifier = identifier;

        this.constValue = constValue;

    }

    public String getIdentifier() {

        return identifier;

    }

    @Override

    public boolean equals(Object obj) {

        if (getClass() != obj.getClass())

            return false;

        PubVar other = (PubVar) obj;

        return modifiers.equals(other.modifiers)

            && type.equals(other.type)

            && identifier.equals(other.identifier)

            && getConstValue().equals(other.getConstValue());

    }

    @Override

    public int hashCode() {

        return modifiers.hashCode()

             ^ type.hashCode()

             ^ identifier.hashCode()

             ^ getConstValue().hashCode();

    }

    public String toString() {

        return String.format("%s[modifiers: %s, type: %s, identifier: %s, constValue: %s]",

                             getClass().getSimpleName(),

                             modifiers,

                             type,

                             identifier,

                             constValue);

    }

    public Optional<String> getConstValue() {

        return Optional.ofNullable(constValue);

    }

}