/*
 * Copyright (C) 2020 The zfoo Authors
 * 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 com.zfoo.net.router.attachment;

import java.util.HashMap;
import java.util.Map;

/**
 * @author godotg
 */
public enum AttachmentType {

    /**
     * synchronous or asynchronous attachment
     */
    SIGNAL_PACKET(SignalAttachment.class),

    /**
     * gateway attachment
     */
    GATEWAY_PACKET(GatewayAttachment.class),

    /**
     * udp attachment
     */
    UDP_PACKET(UdpAttachment.class),


    /**
     * http attachment
     */
    HTTP_PACKET(HttpAttachment.class),

    /**
     * not used attachment
     */
    NO_ANSWER_PACKET(NoAnswerAttachment.class),


    ;


    public static final Map<Class<?>, AttachmentType> map = new HashMap<>();

    static {
        for (var packetType : AttachmentType.values()) {
            map.put(packetType.clazz, packetType);
        }
    }

    private final Class<?> clazz;

    AttachmentType(Class<?> clazz) {
        this.clazz = clazz;
    }

    public static boolean isAttachmentClass(Class<?> attachmentClass) {
        return map.containsKey(attachmentClass);
    }

}
