##// END OF EJS Templates
Bound promise to CancellationToken...
Bound promise to CancellationToken Added new states to ExecutionSate enum. Added Safe.Guard() method to handle cleanup of the result of the promise

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r209:a867536c68fc v2
r209:a867536c68fc v2
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Safe.cs
132 lines | 4.4 KiB | text/x-csharp | CSharpLexer
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Text.RegularExpressions;
using System.Diagnostics;
using System.Collections;
namespace Implab
{
public static class Safe
{
public static void ArgumentAssert(bool condition, string paramName) {
if (!condition)
throw new ArgumentException("The parameter is invalid", paramName);
}
public static void ArgumentMatch(string value, string paramName, Regex rx) {
if (rx == null)
throw new ArgumentNullException("rx");
if (!rx.IsMatch(value))
throw new ArgumentException(String.Format("The prameter value must match {0}", rx), paramName);
}
public static void ArgumentNotEmpty(string value, string paramName) {
if (String.IsNullOrEmpty(value))
throw new ArgumentException("The parameter can't be empty", paramName);
}
public static void ArgumentNotEmpty<T>(T[] value, string paramName) {
if (value == null || value.Length == 0)
throw new ArgumentException("The array must be not emty", paramName);
}
public static void ArgumentNotNull(object value, string paramName) {
if (value == null)
throw new ArgumentNullException(paramName);
}
public static void ArgumentInRange(int value, int min, int max, string paramName) {
if (value < min || value > max)
throw new ArgumentOutOfRangeException(paramName);
}
public static void ArgumentOfType(object value, Type type, string paramName) {
if (!type.IsInstanceOfType(value))
throw new ArgumentException(String.Format("The parameter must be of type {0}", type), paramName);
}
public static void Dispose(params IDisposable[] objects) {
foreach (var d in objects)
if (d != null)
d.Dispose();
}
public static void Dispose(params object[] objects) {
foreach (var obj in objects) {
var d = obj as IDisposable;
if (d != null)
d.Dispose();
}
}
public static void Dispose(IEnumerable<IDisposable> objects) {
foreach (var d in objects)
if (d != null)
d.Dispose();
}
public static void Dispose(object obj) {
var d = obj as IDisposable;
if (d != null)
d.Dispose();
}
public static void DispatchEvent<T>(this EventHandler<T> handler, object sender, T args) {
if (handler != null)
handler(sender, args);
}
public static void DispatchEvent(this EventHandler handler, object sender, EventArgs args) {
if (handler != null)
handler(sender, args);
}
[DebuggerStepThrough]
public static IPromise<T> Run<T>(Func<T> action) {
ArgumentNotNull(action, "action");
try {
return Promise<T>.FromResult(action());
} catch (Exception err) {
return Promise<T>.FromException(err);
}
}
[DebuggerStepThrough]
public static IPromise Run(Action action) {
ArgumentNotNull(action, "action");
try {
action();
return Promise.Success;
} catch (Exception err) {
return new FailedPromise(err);
}
}
[DebuggerStepThrough]
public static IPromise Run(Func<IPromise> action) {
ArgumentNotNull(action, "action");
try {
return action() ?? new FailedPromise(new Exception("The action returned null"));
} catch (Exception err) {
return new FailedPromise(err);
}
}
[DebuggerStepThrough]
public static IPromise<T> Run<T>(Func<IPromise<T>> action) {
ArgumentNotNull(action, "action");
try {
return action() ?? Promise<T>.FromException(new Exception("The action returned null"));
} catch (Exception err) {
return Promise<T>.FromException(err);
}
}
}
}