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//------------------------------------------------------------
// Copyright (c) Microsoft Corporation. All rights reserved.
//------------------------------------------------------------
namespace System.ServiceModel
{
using System.Collections;
using System.Collections.Generic;
[Serializable]
class SerializableReadOnlyDictionary<K, V> : IDictionary<K, V>
{
static IDictionary<K, V> empty;
IDictionary<K, V> dictionary;
public SerializableReadOnlyDictionary(IDictionary<K, V> dictionary) : this(dictionary, true)
{
}
public SerializableReadOnlyDictionary(IDictionary<K, V> dictionary, bool makeCopy)
{
if (makeCopy)
{
this.dictionary = new Dictionary<K, V>(dictionary);
}
else
{
this.dictionary = dictionary;
}
}
public SerializableReadOnlyDictionary(params KeyValuePair<K, V>[] entries)
{
this.dictionary = new Dictionary<K, V>(entries.Length);
foreach (KeyValuePair<K, V> pair in entries)
{
this.dictionary.Add(pair);
}
}
public static IDictionary<K, V> Empty
{
get
{
if (empty == null)
{
empty = new SerializableReadOnlyDictionary<K, V>(new Dictionary<K, V>(0), false);
}
return empty;
}
}
public int Count
{
get { return this.dictionary.Count; }
}
public bool IsReadOnly
{
get { return true; }
}
public ICollection<K> Keys
{
get { return this.dictionary.Keys; }
}
public ICollection<V> Values
{
get { return this.dictionary.Values; }
}
public V this[K key]
{
get
{
return this.dictionary[key];
}
set
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new InvalidOperationException(SR.GetString(SR.ObjectIsReadOnly)));
}
}
public void Add(K key, V value)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new InvalidOperationException(SR.GetString(SR.ObjectIsReadOnly)));
}
public void Add(KeyValuePair<K, V> item)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new InvalidOperationException(SR.GetString(SR.ObjectIsReadOnly)));
}
public void Clear()
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new InvalidOperationException(SR.GetString(SR.ObjectIsReadOnly)));
}
public bool Contains(KeyValuePair<K, V> item)
{
return this.dictionary.Contains(item);
}
public bool ContainsKey(K key)
{
return this.dictionary.ContainsKey(key);
}
public void CopyTo(KeyValuePair<K, V>[] array, int arrayIndex)
{
this.dictionary.CopyTo(array, arrayIndex);
}
public IEnumerator<KeyValuePair<K, V>> GetEnumerator()
{
return this.dictionary.GetEnumerator();
}
IEnumerator IEnumerable.GetEnumerator()
{
return this.GetEnumerator();
}
public bool Remove(K key)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new InvalidOperationException(SR.GetString(SR.ObjectIsReadOnly)));
}
public bool Remove(KeyValuePair<K, V> item)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new InvalidOperationException(SR.GetString(SR.ObjectIsReadOnly)));
}
public bool TryGetValue(K key, out V value)
{
return this.dictionary.TryGetValue(key, out value);
}
}
}
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