net.sf.eBus.client.sysmessages.McastSubscribeMessage Maven / Gradle / Ivy

Go to download
Show more of this group Show more artifacts with this name
Show all versions of core Show documentation
The newest version!
//
// Copyright 2020 Charles W. Rapp
//
// 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 net.sf.eBus.client.sysmessages;

import java.io.Serializable;
import net.sf.eBus.messages.ESystemMessage;

/**
 * A {@code EMulticastSubscriber} multicasts this message after
 * joining the multicast group. The purpose is to request that
 * existing {@code EMulticastPublisher}(s) transmit their
 * currently supported message keys and the message key feed
 * state. These responses are sent directly to the multicast
 * subscriber and not multicast.
 * 
 * This message has no fields.
 * 
 *
 * @author Charles W. Rapp
 */

public final class McastSubscribeMessage
    extends ESystemMessage
    implements Serializable
{
//---------------------------------------------------------------
// Member data.
//

    //-----------------------------------------------------------
    // Constants.
    //

    /**
     * Serialization version identifier.
     */
    private static final long serialVersionUID = 0x050500L;

//---------------------------------------------------------------
// Member methods.
//

    //-----------------------------------------------------------
    // Constructors.
    //

    /**
     * Creates a new multicast subscribe message based on the
     * builder configuration.
     * @param builder contains message configuration.
     */
    public McastSubscribeMessage(final Builder builder)
    {
        super (builder);
    } // end of McastSubscribeMessage(Builder)

    //
    // end of Constructors.
    //-----------------------------------------------------------

    /**
     * Returns a new instance of {@code McastSubscribeMessage}
     * builder.
     * @return message builder instance.
     */
    public static Builder builder()
    {
        return (new Builder());
    } // end of builder()

//---------------------------------------------------------------
// Inner classes.
//

    public static final class Builder
        extends ESystemMessage.Builder
    {
    //-----------------------------------------------------------
    // Member data.
    //

    //-----------------------------------------------------------
    // Member methods.
    //

        //-------------------------------------------------------
        // Constructors.
        //

        private Builder()
        {
            super (McastSubscribeMessage.class);
        } // end of Builder()

        //
        // end of Constructors.
        //-------------------------------------------------------

        //-------------------------------------------------------
        // Builder Method Overrides.
        //

        @Override
        protected McastSubscribeMessage buildImpl()
        {
            return (new McastSubscribeMessage(this));
        } // end of buildImpl()

        //
        // end of Builder Method Overrides.
        //-------------------------------------------------------
    } // end of class Builder
} // end of class McastSubscribeMessage