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/*
 * Copyright 2016 Carlos Ballesteros Velasco
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package java.lang;

import java.io.Serializable;

public abstract class Enum> implements Comparable, Serializable {
    private final String name;

    public final String name() {
        return name;
    }

    private final int ordinal;

    public final int ordinal() {
        return ordinal;
    }

    protected Enum(String name, int ordinal) {
        this.name = name;
        this.ordinal = ordinal;
    }

    public String toString() {
        return name;
    }

    public final boolean equals(Object other) {
        return this == other;
    }

    public final int hashCode() {
        return super.hashCode();
    }

    protected final Object clone() throws CloneNotSupportedException {
        throw new CloneNotSupportedException();
    }

    public final int compareTo(E o) {
        Enum other = (Enum) o;
        Enum self = this;
        if (self.getClass() != other.getClass() && self.getDeclaringClass() != other.getDeclaringClass()) {
            throw new ClassCastException();
        }
        return self.ordinal - other.ordinal;
    }

    public final Class getDeclaringClass() {
        Class clazz = getClass();
        Class zuper = clazz.getSuperclass();
        return (zuper == Enum.class) ? (Class) clazz : (Class) zuper;
    }

    native public static > T valueOf(Class enumType, String name);

    /*
    public static > T valueOf(Class enumType, String name) {
        T result = enumType.enumConstantDirectory().get(name);
        if (result != null) return result;
        if (name == null) throw new NullPointerException("Name is null");
        throw new IllegalArgumentException("No enum constant " + enumType.getCanonicalName() + "." + name);
    }
    */

    protected final void finalize() {
    }
}