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package org.nakedobjects.nos.remote.command;

import java.io.Serializable;

import org.nakedobjects.noa.security.Session;
import org.nakedobjects.noa.util.ByteDecoder;
import org.nakedobjects.noa.util.ByteEncoder;


public abstract class AbstractRequest implements Request, Serializable {
    private static int nextId = 0;
    protected transient Object response;
    private final int id;
    protected final Session session;

    public AbstractRequest(final Session session) {
        this.session = session;
        id = nextId++;
    }
    
    public AbstractRequest(final ByteDecoder decoder) {
        id = decoder.getInt();
        session = (Session) decoder.getObject();
    }

    public final void encode(final ByteEncoder encoder) {
        encoder.add(id);
        encoder.add(session);
        doEncode(encoder);
    }
    
    protected abstract void doEncode(ByteEncoder encoder);

    public final void setResponse(final Object response) {
        this.response = response;
    }

    public Object getResponse() {
        return response;
    }

    public Session getSession() {
        return session;
    }
    
    public int getId() {
        return id;
    }
}
// Copyright (c) Naked Objects Group Ltd.