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Cloners now offer their methods as static members for easy access in non-service oriented applications; began implementing the expression tree cloner

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git-svn-id: file:///srv/devel/repo-conversion/nusu@228 d2e56fa2-650e-0410-a79f-9358c0239efd
This commit is contained in:
Markus Ewald 2012-02-03 14:49:31 +00:00
parent 961f56157e
commit 976b1ddba5
8 changed files with 323 additions and 43 deletions
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72
Source/Cloning/ExpressionTreeCloner.cs
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@ -18,15 +18,13 @@ License along with this library
*/
#endregion
#if !(XBOX360 || WINDOWS_PHONE)
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Collections.Concurrent;
namespace Nuclex.Support.Cloning {
#if false
/// <summary>An action that takes its arguments as references to a structure</summary>
/// <typeparam name="TFirst">Type of the first argument to the method</typeparam>
/// <typeparam name="TSecond">Type of the second argument to the method</typeparam>
@ -40,7 +38,13 @@ namespace Nuclex.Support.Cloning {
/// Cloning factory which uses expression trees to improve performance when cloning
/// is a high-frequency action.
/// </summary>
public class ExpressionTreeCloneFactory : ICloneFactory {
public class ExpressionTreeCloner : ICloneFactory {
/// <summary>Initializes the static members of the expression tree cloner</summary>
static ExpressionTreeCloner() {
shallowCloners = new ConcurrentDictionary<Type, Func<object, object>>();
deepCloners = new ConcurrentDictionary<Type, Func<object, object>>();
}
/// <summary>
/// Creates a deep clone of the specified object, also creating clones of all
@ -52,9 +56,10 @@ namespace Nuclex.Support.Cloning {
/// Whether to clone the object based on its properties only
/// </param>
/// <returns>A deep clone of the provided object</returns>
public TCloned DeepClone<TCloned>(TCloned objectToClone, bool usePropertyBasedClone)
where TCloned : new() {
throw new NotImplementedException();
public static TCloned DeepClone<TCloned>(
TCloned objectToClone, bool usePropertyBasedClone
) {
throw new NotImplementedException("Not implemented yet");
}
/// <summary>
@ -66,11 +71,44 @@ namespace Nuclex.Support.Cloning {
/// Whether to clone the object based on its properties only
/// </param>
/// <returns>A shallow clone of the provided object</returns>
public TCloned ShallowClone<TCloned>(TCloned objectToClone, bool usePropertyBasedClone)
where TCloned : new() {
throw new NotImplementedException();
public static TCloned ShallowClone<TCloned>(
TCloned objectToClone, bool usePropertyBasedClone
) {
throw new NotImplementedException("Not implemented yet");
}
/// <summary>
/// Creates a deep clone of the specified object, also creating clones of all
/// child objects being referenced
/// </summary>
/// <typeparam name="TCloned">Type of the object that will be cloned</typeparam>
/// <param name="objectToClone">Object that will be cloned</param>
/// <param name="usePropertyBasedClone">
/// Whether to clone the object based on its properties only
/// </param>
/// <returns>A deep clone of the provided object</returns>
TCloned ICloneFactory.DeepClone<TCloned>(
TCloned objectToClone, bool usePropertyBasedClone
) {
return ExpressionTreeCloner.DeepClone<TCloned>(objectToClone, usePropertyBasedClone);
}
/// <summary>
/// Creates a shallow clone of the specified object, reusing any referenced objects
/// </summary>
/// <typeparam name="TCloned">Type of the object that will be cloned</typeparam>
/// <param name="objectToClone">Object that will be cloned</param>
/// <param name="usePropertyBasedClone">
/// Whether to clone the object based on its properties only
/// </param>
/// <returns>A shallow clone of the provided object</returns>
TCloned ICloneFactory.ShallowClone<TCloned>(
TCloned objectToClone, bool usePropertyBasedClone
) {
return ExpressionTreeCloner.ShallowClone<TCloned>(objectToClone, usePropertyBasedClone);
}
#if false
/// <summary>
/// Transfers the state of one object into another, creating clones of referenced objects
/// </summary>
@ -145,9 +183,15 @@ namespace Nuclex.Support.Cloning {
where TCloned : class, new() {
throw new NotImplementedException();
}
#endif
/// <summary>Compiled cloners that perform shallow clone operations</summary>
private static ConcurrentDictionary<Type, Func<object, object>> shallowCloners;
/// <summary>Compiled cloners that perform deep clone operations</summary>
private static ConcurrentDictionary<Type, Func<object, object>> deepCloners;
}
#endif
} // namespace Nuclex.Support.Cloning
#endif // !(XBOX360 || WINDOWS_PHONE)