/*******************************************************************************
 * Copyright (c) 2017 Politecnico di Torino and others.
 *
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Apache License, Version 2.0
 * which accompanies this distribution, and is available at
 * http://www.apache.org/licenses/LICENSE-2.0
 *******************************************************************************/

package mcnet.components;

import com.microsoft.z3.Context;
import com.microsoft.z3.DatatypeExpr;

/** Represents a generic network object.
 *
 */
public abstract class NetworkObject extends Core{

	public NetworkObject(Context ctx,Object[]... args) {
		super(ctx,args);
	}

	protected DatatypeExpr z3Node;
	protected boolean isEndHost;
	/**
	 * Get a reference to the z3 node this class wraps around
	 * @return
	 */
	abstract public DatatypeExpr getZ3Node();

	public String toString(){
	        return z3Node.toString();
	}

	//There is probably an error: z3Node.hashCode = 0 because AST.hashCode() has always hash=0
	/*public int hashCode(){
		return z3Node.hashCode();
	}*/

	/**
	 * A simple way to determine the set of endhosts
	 * @return
	 */
	public boolean isEndHost(){
	    return isEndHost;
	}

	/**
	 * Wrap methods to set policy
	 * @param policy
	 * @throws UnsupportedOperationException
	 */
	void setPolicy (Object policy) throws UnsupportedOperationException{
	     throw new UnsupportedOperationException();
	}
}