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// ==++==
//
// Copyright (c) Microsoft Corporation. All rights reserved.
//
// ==--==
/*============================================================
**
** Class: SerializationFieldInfo
**
**
** Purpose: Provides a methods of representing imaginary fields
** which are unique to serialization. In this case, what we're
** representing is the private members of parent classes. We
** aggregate the RuntimeFieldInfo associated with this member
** and return a managled form of the name. The name that we
** return is .parentname.fieldname
**
**
============================================================*/
namespace System.Runtime.Serialization {
using System;
using System.Reflection;
using System.Globalization;
using System.Diagnostics.Contracts;
using System.Threading;
#if FEATURE_REMOTING
using System.Runtime.Remoting.Metadata;
#endif //FEATURE_REMOTING
internal sealed class SerializationFieldInfo : FieldInfo {
internal const String FakeNameSeparatorString = "+";
private RuntimeFieldInfo m_field;
private String m_serializationName;
public override Module Module { get { return m_field.Module; } }
public override int MetadataToken { get { return m_field.MetadataToken; } }
internal SerializationFieldInfo(RuntimeFieldInfo field, String namePrefix) {
Contract.Assert(field!=null, "[SerializationFieldInfo.ctor]field!=null");
Contract.Assert(namePrefix!=null, "[SerializationFieldInfo.ctor]namePrefix!=null");
m_field = field;
m_serializationName = String.Concat(namePrefix, FakeNameSeparatorString, m_field.Name);
}
//
// MemberInfo methods
//
public override String Name {
get {
return m_serializationName;
}
}
public override Type DeclaringType {
get {
return m_field.DeclaringType;
}
}
public override Type ReflectedType {
get {
return m_field.ReflectedType;
}
}
public override Object[] GetCustomAttributes(bool inherit) {
return m_field.GetCustomAttributes(inherit);
}
public override Object[] GetCustomAttributes(Type attributeType, bool inherit) {
return m_field.GetCustomAttributes(attributeType, inherit);
}
public override bool IsDefined(Type attributeType, bool inherit) {
return m_field.IsDefined(attributeType, inherit);
}
//
// FieldInfo methods
//
public override Type FieldType {
get {
return m_field.FieldType;
}
}
public override Object GetValue(Object obj) {
return m_field.GetValue(obj);
}
[System.Security.SecurityCritical]
internal Object InternalGetValue(Object obj) {
RtFieldInfo field = m_field as RtFieldInfo;
if (field != null)
{
field.CheckConsistency(obj);
return field.UnsafeGetValue(obj);
}
else
return m_field.GetValue(obj);
}
public override void SetValue(Object obj, Object value, BindingFlags invokeAttr, Binder binder, CultureInfo culture) {
m_field.SetValue(obj, value, invokeAttr, binder, culture);
}
[System.Security.SecurityCritical]
internal void InternalSetValue(Object obj, Object value, BindingFlags invokeAttr, Binder binder, CultureInfo culture) {
RtFieldInfo field = m_field as RtFieldInfo;
if (field != null)
{
field.CheckConsistency(obj);
field.UnsafeSetValue(obj, value, invokeAttr, binder, culture);
}
else
m_field.SetValue(obj, value, invokeAttr, binder, culture);
}
internal RuntimeFieldInfo FieldInfo {
get {
return m_field;
}
}
public override RuntimeFieldHandle FieldHandle {
get {
return m_field.FieldHandle;
}
}
public override FieldAttributes Attributes {
get {
return m_field.Attributes;
}
}
#if FEATURE_REMOTING
#region Legacy Remoting Cache
private RemotingFieldCachedData m_cachedData;
internal RemotingFieldCachedData RemotingCache
{
get
{
// This grabs an internal copy of m_cachedData and uses
// that instead of looking at m_cachedData directly because
// the cache may get cleared asynchronously. This prevents
// us from having to take a lock.
RemotingFieldCachedData cache = m_cachedData;
if (cache == null)
{
cache = new RemotingFieldCachedData(this);
RemotingFieldCachedData ret = Interlocked.CompareExchange(ref m_cachedData, cache, null);
if (ret != null)
cache = ret;
}
return cache;
}
}
#endregion
#endif //FEATURE_REMOTING
}
}
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