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// **********************************************************************
//
// Copyright (c) 2003-2016 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.
//
// **********************************************************************
using System;
using System.Globalization;
namespace Ice
{
/// <summary>
/// This class allows a proxy to be used as the key for a hashed collection.
/// The GetHashCode, Equals, and Compare methods are based on the object identity
/// of the proxy.
/// </summary>
public class ProxyIdentityKey : System.Collections.IEqualityComparer, System.Collections.IComparer
{
/// <summary>
/// Computes a hash value based on the object identity of the proxy.
/// </summary>
/// <param name="obj">The proxy whose hash value to compute.</param>
/// <returns>The hash value for the proxy based on the identity.</returns>
public int GetHashCode(object obj)
{
int h = 5381;
IceInternal.HashUtil.hashAdd(ref h, ((Ice.ObjectPrx)obj).ice_getIdentity());
return h;
}
/// Compares two proxies for equality.
/// <param name="obj1">A proxy to compare.</param>
/// <param name="obj2">A proxy to compare.</param>
/// <returns>True if the passed proxies have the same object
/// identity; false, otherwise.</returns>
public new bool Equals(object obj1, object obj2)
{
try
{
return Compare(obj1, obj2) == 0;
}
catch(System.Exception)
{
return false;
}
}
/// Compares two proxies using the object identity for comparison.
/// <param name="obj1">A proxy to compare.</param>
/// <param name="obj2">A proxy to compare.</param>
/// <returns>< 0 if obj1 is less than obj2; > 0 if obj1 is greater than obj2;
/// 0, otherwise.</returns>
public int Compare(object obj1, object obj2)
{
Ice.ObjectPrx proxy1 = obj1 as Ice.ObjectPrx;
if(obj1 != null && proxy1 == null)
{
throw new System.ArgumentException("Argument must be derived from Ice.ObjectPrx", "obj1");
}
Ice.ObjectPrx proxy2 = obj2 as Ice.ObjectPrx;
if(obj2 != null && proxy2 == null)
{
throw new System.ArgumentException("Argument must be derived from Ice.ObjectPrx", "obj2");
}
return Ice.Util.proxyIdentityCompare(proxy1, proxy2);
}
}
/// <summary>
/// This class allows a proxy to be used as the key for a hashed collection.
/// The GetHashCode, Equals, and Compare methods are based on the object identity and
/// the facet of the proxy.
/// </summary>
public class ProxyIdentityFacetKey : System.Collections.IEqualityComparer, System.Collections.IComparer
{
/// <summary>
/// Computes a hash value based on the object identity and facet of the proxy.
/// </summary>
/// <param name="obj">The proxy whose hash value to compute.</param>
/// <returns>The hash value for the proxy based on the identity and facet.</returns>
public int GetHashCode(object obj)
{
Ice.ObjectPrx o = (Ice.ObjectPrx)obj;
Ice.Identity identity = o.ice_getIdentity();
string facet = o.ice_getFacet();
int h = 5381;
IceInternal.HashUtil.hashAdd(ref h, identity);
IceInternal.HashUtil.hashAdd(ref h, facet);
return h;
}
/// Compares two proxies for equality.
/// <param name="obj1">A proxy to compare.</param>
/// <param name="obj2">A proxy to compare.</param>
/// <returns>True if the passed proxies have the same object
/// identity and facet; false, otherwise.</returns>
public new bool Equals(object obj1, object obj2)
{
try
{
return Compare(obj1, obj2) == 0;
}
catch(System.Exception)
{
return false;
}
}
/// Compares two proxies using the object identity and facet for comparison.
/// <param name="obj1">A proxy to compare.</param>
/// <param name="obj2">A proxy to compare.</param>
/// <returns>< 0 if obj1 is less than obj2; > 0 if obj1 is greater than obj2;
/// 0, otherwise.</returns>
public int Compare(object obj1, object obj2)
{
Ice.ObjectPrx proxy1 = obj1 as Ice.ObjectPrx;
if(obj1 != null && proxy1 == null)
{
throw new System.ArgumentException("Argument must be derived from Ice.ObjectPrx", "obj1");
}
Ice.ObjectPrx proxy2 = obj2 as Ice.ObjectPrx;
if(obj2 != null && proxy2 == null)
{
throw new System.ArgumentException("Argument must be derived from Ice.ObjectPrx", "obj2");
}
return Ice.Util.proxyIdentityAndFacetCompare(proxy1, proxy2);
}
}
}
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