// **********************************************************************
//
// Copyright (c) 2003-2008 ZeroC, Inc. All rights reserved.
//
// This copy of Ice is licensed to you under the terms described in the
// ICE_LICENSE file included in this distribution.
//
// **********************************************************************

package Ice;

//
// This class wraps a proxy and supplies the necessary methods to allow
// it to be used as a key in a hashed collection. The proxy's identity
// and facet are used in comparisons.
//
public class ProxyIdentityFacetKey
{
    public
    ProxyIdentityFacetKey(Ice.ObjectPrx proxy)
    {
        _proxy = proxy;

        //
        // Cache the identity and facet, and compute the hash code.
        //
        _identity = proxy.ice_getIdentity();
        _facet = proxy.ice_getFacet();
        int h = _identity.hashCode();
        h = 5 * h + _facet.hashCode();
        _hashCode = h;
    }

    public int
    hashCode()
    {
        return _hashCode;
    }

    public boolean
    equals(java.lang.Object obj)
    {
        if(this == obj)
        {
            return true;
        }

        if(obj instanceof ProxyIdentityFacetKey)
        {
            ProxyIdentityFacetKey other = (ProxyIdentityFacetKey)obj;
            return (_hashCode == other._hashCode) && _identity.equals(other._identity) && _facet.equals(other._facet);
        }

        return false;
    }

    public Ice.ObjectPrx
    getProxy()
    {
        return _proxy;
    }

    final private Ice.ObjectPrx _proxy;
    final private Ice.Identity _identity;
    final private String _facet;
    final private int _hashCode;
}