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// **********************************************************************
//
// Copyright (c) 2003-2014 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 to allow it to be used the key for a hashed collection.
* The <code>hashCode</code> and <code>equals</code> methods are based on the object identity
* of the proxy.
*
* @see ProxyIdentityCompare
* @see ProxyIdentityAndFacetCompare
* @see ProxyIdentityFacetKey
*
**/
public class ProxyIdentityKey
{
/**
* Initializes this class with the passed proxy.
*
* @param proxy The proxy for this instance.
**/
public
ProxyIdentityKey(Ice.ObjectPrx proxy)
{
_proxy = proxy;
//
// Cache the identity and its hash code.
//
_identity = proxy.ice_getIdentity();
int h = 5381;
h = IceInternal.HashUtil.hashAdd(h, _identity);
_hashCode = h;
}
/**
* Computes a hash value based on the object identity of the proxy.
*
* @return The hash value.
**/
public int
hashCode()
{
return _hashCode;
}
/**
* Compares this proxy with the passed object for equality.
*
* @param obj The object to compare this proxy with.
* @return <code>true</code> if the passed object is a proxy with the same object
* identity; <code>false</code>, otherwise.
**/
public boolean
equals(java.lang.Object obj)
{
if(this == obj)
{
return true;
}
if(obj instanceof ProxyIdentityKey)
{
ProxyIdentityKey other = (ProxyIdentityKey)obj;
return (_hashCode == other._hashCode) && _identity.equals(other._identity);
}
return false;
}
public Ice.ObjectPrx
getProxy()
{
return _proxy;
}
final private Ice.ObjectPrx _proxy;
final private Ice.Identity _identity;
final private int _hashCode;
}
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