// This Source Code is in the Public Domain per: http://litesoft.org/License.txt
package org.litesoft.GWT.eventbus.client.nonpublic;

import org.litesoft.GWT.eventbus.client.*;
import org.litesoft.commonfoundation.issues.*;
import org.litesoft.logger.*;

public interface PeerSupportingEventBus
{
    String getForm(); // Client / Server / ...

    public Logger getLogger();

    int getClientIdNumber();

    void handleUnexpectedPackage( String pFrom, EventPackage pPackage );

    void handleUnexpectedProblem( String pFrom, Problem pProblem );

    void handleUnexpectedException( String pFrom, Throwable pThrowable );

    void problemFromRemotePeerService( EventPackage pProblem );

    boolean propagateFromRemotePeerService( ChannelServicePackage pFromPeer );

    boolean ping();

    public static class Null implements PeerSupportingEventBus
    {
        public static final PeerSupportingEventBus INSTANCE = new Null();

        public String getForm() // Client / Server / ...
        {
            return "Disposed";
        }

        public Logger getLogger()
        {
            return Logger.disabled();
        }

        public int getClientIdNumber()
        {
            return -1;
        }

        public void handleUnexpectedPackage( String pFrom, EventPackage pPackage )
        {
            // Whatever...
        }

        public void handleUnexpectedProblem( String pFrom, Problem pProblem )
        {
            // Whatever...
        }

        public void handleUnexpectedException( String pFrom, Throwable pThrowable )
        {
            // Whatever...
        }

        public void problemFromRemotePeerService( EventPackage pProblem )
        {
            // Whatever...
        }

        public boolean propagateFromRemotePeerService( ChannelServicePackage pFromPeer )
        {
            return false; // Indicate problem...
        }

        public boolean ping()
        {
            return false; // Indicate problem...
        }

        public String toString()
        {
            return "Null";
        }
    }
}