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

import org.litesoft.GWT.eventbus.client.*;
import org.litesoft.commonfoundation.problems.*;
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";
        }
    }
}