PromiseFuncReaction`1.cs
75 lines
| 2.6 KiB
| text/x-csharp
|
CSharpLexer
/ Implab / PromiseFuncReaction`1.cs
cin
|
r247 | using System; | |
using System.Diagnostics; | |||
namespace Implab { | |||
class PromiseFuncReaction<TRet> : PromiseReaction { | |||
readonly Action m_fulfilled; | |||
readonly Action<Exception> m_rejected; | |||
readonly Deferred<TRet> m_next; | |||
public PromiseFuncReaction(Func<TRet> fulfilled, Func<Exception, TRet> rejected, Deferred<TRet> next, IDispatcher dispatcher) : base(dispatcher) { | |||
if (fulfilled != null) | |||
m_fulfilled = () => { next.Resolve(fulfilled()); }; | |||
if (rejected != null) | |||
m_rejected = (e) => { next.Resolve(rejected(e)); }; | |||
m_next = next; | |||
} | |||
public PromiseFuncReaction(Func<IPromise<TRet>> fulfilled, Func<Exception, IPromise<TRet>> rejected, Deferred<TRet> next, IDispatcher dispatcher) : base(dispatcher) { | |||
if (fulfilled != null) | |||
m_fulfilled = () => { next.Resolve(fulfilled()); }; | |||
if (rejected != null) | |||
m_rejected = (e) => { next.Resolve(rejected(e)); }; | |||
m_next = next; | |||
} | |||
public PromiseFuncReaction(Func<TRet> fulfilled, Func<Exception, IPromise<TRet>> rejected, Deferred<TRet> next, IDispatcher dispatcher) : base(dispatcher) { | |||
if (fulfilled != null) | |||
m_fulfilled = () => { next.Resolve(fulfilled()); }; | |||
if (rejected != null) | |||
m_rejected = (e) => { next.Resolve(rejected(e)); }; | |||
m_next = next; | |||
} | |||
public PromiseFuncReaction(Func<IPromise<TRet>> fulfilled, Func<Exception, TRet> rejected, Deferred<TRet> next, IDispatcher dispatcher) : base(dispatcher) { | |||
if (fulfilled != null) | |||
m_fulfilled = () => { next.Resolve(fulfilled()); }; | |||
if (rejected != null) | |||
m_rejected = (e) => { next.Resolve(rejected(e)); }; | |||
m_next = next; | |||
} | |||
protected override bool HasFulfilHandler => m_fulfilled != null; | |||
protected override bool HasRejectHandler => m_rejected != null; | |||
protected override void DefaultReject(Exception reason) { | |||
m_next.Reject(reason); | |||
} | |||
protected override void DefaultResolve() { | |||
throw new NotImplementedException(); | |||
} | |||
protected override void RejectImpl(Exception reason) { | |||
try { | |||
m_rejected(reason); | |||
} catch (Exception e){ | |||
m_next.Reject(e); | |||
} | |||
} | |||
protected override void ResolveImpl() { | |||
try { | |||
m_fulfilled(); | |||
} catch (Exception e){ | |||
m_next.Reject(e); | |||
} | |||
} | |||
} | |||
} |