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using System;
using System.Collections;
using System.Collections.Generic;
using System.Linq;
namespace SharpCifs.Util.Sharpen
{
public abstract class AbstractMap<T, TU> : IDictionary<T, TU>
{
public virtual void Clear ()
{
EntrySet ().Clear ();
}
public virtual bool ContainsKey (object name)
{
return EntrySet ().Any (p => p.Key.Equals ((T)name));
}
public abstract ICollection<KeyValuePair<T, TU>> EntrySet ();
public virtual TU Get (object key)
{
return EntrySet ().Where (p => p.Key.Equals (key)).Select (p => p.Value).FirstOrDefault ();
}
protected virtual IEnumerator<KeyValuePair<T, TU>> InternalGetEnumerator ()
{
return EntrySet ().GetEnumerator ();
}
public virtual bool IsEmpty ()
{
return !EntrySet ().Any ();
}
public virtual TU Put (T key, TU value)
{
throw new NotSupportedException ();
}
public virtual TU Remove (object key)
{
Iterator<TU> iterator = EntrySet () as Iterator<TU>;
if (iterator == null) {
throw new NotSupportedException ();
}
while (iterator.HasNext ()) {
TU local = iterator.Next ();
if (local.Equals ((T)key)) {
iterator.Remove ();
return local;
}
}
return default(TU);
}
void ICollection<KeyValuePair<T, TU>>.Add (KeyValuePair<T, TU> item)
{
Put (item.Key, item.Value);
}
bool ICollection<KeyValuePair<T, TU>>.Contains (KeyValuePair<T, TU> item)
{
throw new NotImplementedException ();
}
void ICollection<KeyValuePair<T, TU>>.CopyTo (KeyValuePair<T, TU>[] array, int arrayIndex)
{
EntrySet ().CopyTo (array, arrayIndex);
}
bool ICollection<KeyValuePair<T, TU>>.Remove (KeyValuePair<T, TU> item)
{
Remove (item.Key);
return true;
}
void IDictionary<T, TU>.Add (T key, TU value)
{
Put (key, value);
}
bool IDictionary<T, TU>.ContainsKey (T key)
{
return ContainsKey (key);
}
bool IDictionary<T, TU>.Remove (T key)
{
if (ContainsKey (key)) {
Remove (key);
return true;
}
return false;
}
bool IDictionary<T, TU>.TryGetValue (T key, out TU value)
{
if (ContainsKey (key)) {
value = Get (key);
return true;
}
value = default(TU);
return false;
}
IEnumerator<KeyValuePair<T, TU>> IEnumerable<KeyValuePair<T, TU>>.GetEnumerator ()
{
return InternalGetEnumerator ();
}
IEnumerator IEnumerable.GetEnumerator ()
{
return InternalGetEnumerator ();
}
public virtual int Count {
get { return EntrySet ().Count; }
}
public TU this[T key] {
get { return Get (key); }
set { Put (key, value); }
}
public virtual IEnumerable<T> Keys {
get { return EntrySet ().Select (p => p.Key); }
}
int ICollection<KeyValuePair<T, TU>>.Count {
get { return Count; }
}
bool ICollection<KeyValuePair<T, TU>>.IsReadOnly {
get { return false; }
}
ICollection<T> IDictionary<T, TU>.Keys {
get { return Keys.ToList (); }
}
ICollection<TU> IDictionary<T, TU>.Values {
get { return Values.ToList (); }
}
public virtual IEnumerable<TU> Values {
get { return EntrySet ().Select (p => p.Value); }
}
}
}
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