/**
 * This file is part of Client, licensed under the MIT License (MIT).
 *
 * Copyright (c) 2013 Spoutcraft <http://spoutcraft.org/>
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */
package org.spoutcraft.client.networking.message;

import java.util.EnumSet;

import com.flowpowered.networking.Message;

public abstract class ChannelMessage implements Message {
    private final EnumSet<Channel> read = EnumSet.noneOf(Channel.class);

    public void setChannelRead(Channel c) {
        read.add(c);
    }

    public boolean isChannelRead(Channel c) {
        return read.contains(c);
    }
}

enum Channel {
    UNIVERSE,
    INTERFACE,
}


/**
 * This file is part of Client, licensed under the MIT License (MIT).
 *
 * Copyright (c) 2013 Spoutcraft <http://spoutcraft.org/>
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */
package org.spoutcraft.client.networking.message;

import com.flowpowered.networking.Message;

public abstract class ChannelMessage implements Message {
    private short read;

    public void setChannelRead(Channel channel) {
        read |= channel.getMask();
    }

    public boolean isChannelRead(Channel channel) {
        return (read & channel.getMask()) == channel.getMask();
    }

    public static enum Channel {
        UNIVERSE((short) 1),
        INTERFACE((short) 2);
        private final short mask;

        private Channel(short mask) {
            this.mask = mask;
        }

        public short getMask() {
            return mask;
        }
    }
}


Use bit mask instead of EnumSet for storing the channel that read the message in ChannelMessage