##// END OF EJS Templates
small refactoring, cleanup.
cin -
r30:2fad2d1f4b03 default
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@@ -38,14 +38,14 namespace Implab.Fx
38 return anim;
38 return anim;
39 }
39 }
40
40
41 public static Promise<T> CloseFadeOut<T>(this T ctl) where T : Form
41 public static IPromise<T> CloseFadeOut<T>(this T ctl) where T : Form
42 {
42 {
43 var anim = ctl.AnimateTransparency(0);
43 var anim = ctl.AnimateTransparency(0);
44
44
45 return anim.Play().DispatchToControl(ctl).Then(frm => frm.Close());
45 return anim.Play().DispatchToControl(ctl).Then(frm => frm.Close());
46 }
46 }
47
47
48 public static Promise<T> OverlayFadeIn<T>(this Form that, T overlay) where T : Form
48 public static IPromise<T> OverlayFadeIn<T>(this Form that, T overlay) where T : Form
49 {
49 {
50 if (that == null)
50 if (that == null)
51 throw new ArgumentNullException("that");
51 throw new ArgumentNullException("that");
@@ -255,7 +255,7 namespace Implab.Test {
255
255
256 var t = Environment.TickCount;
256 var t = Environment.TickCount;
257 var res = args
257 var res = args
258 .ChainedMap2(
258 .ChainedMap(
259 x => pool.Invoke(
259 x => pool.Invoke(
260 () => Math.Sin(x * x)
260 () => Math.Sin(x * x)
261 ),
261 ),
@@ -105,7 +105,7 namespace Implab.Parallels {
105 }
105 }
106 }
106 }
107
107
108 public static Promise<TDst[]> ParallelMap<TSrc, TDst> (this TSrc[] source, Func<TSrc,TDst> transform, int threads) {
108 public static IPromise<TDst[]> ParallelMap<TSrc, TDst> (this TSrc[] source, Func<TSrc,TDst> transform, int threads) {
109 if (source == null)
109 if (source == null)
110 throw new ArgumentNullException("source");
110 throw new ArgumentNullException("source");
111 if (transform == null)
111 if (transform == null)
@@ -115,7 +115,7 namespace Implab.Parallels {
115 return mapper.Promise;
115 return mapper.Promise;
116 }
116 }
117
117
118 public static Promise<int> ParallelForEach<TSrc>(this TSrc[] source, Action<TSrc> action, int threads) {
118 public static IPromise<int> ParallelForEach<TSrc>(this TSrc[] source, Action<TSrc> action, int threads) {
119 if (source == null)
119 if (source == null)
120 throw new ArgumentNullException("source");
120 throw new ArgumentNullException("source");
121 if (action == null)
121 if (action == null)
@@ -136,6 +136,7 namespace Implab.Parallels {
136 var promise = new Promise<TDst[]>();
136 var promise = new Promise<TDst[]>();
137 var res = new TDst[source.Length];
137 var res = new TDst[source.Length];
138 var pending = source.Length;
138 var pending = source.Length;
139
139 var semaphore = new Semaphore(threads, threads);
140 var semaphore = new Semaphore(threads, threads);
140
141
141 AsyncPool.InvokeNewThread(() => {
142 AsyncPool.InvokeNewThread(() => {
@@ -143,19 +143,25 namespace Implab.Parallels {
143 // anyway it may take some time for the thread to start
143 // anyway it may take some time for the thread to start
144 // we will ensure that at least one thread is running
144 // we will ensure that at least one thread is running
145
145
146 EnsurePoolIsAlive();
147 } else {
148 // if there is no sleeping threads in the pool
149 if (!StartWorker()) {
150 // we haven't started a new thread, but the current can be on the way to terminate and it can't process the queue
151 // send it a signal to spin again
152 SignalThread();
153 EnsurePoolIsAlive();
154 }
155 }
156 }
157
158 private void EnsurePoolIsAlive() {
146 if (AllocateThreadSlot(1)) {
159 if (AllocateThreadSlot(1)) {
147 // if there were no threads in the pool
160 // if there were no threads in the pool
148 var worker = new Thread(this.Worker);
161 var worker = new Thread(this.Worker);
149 worker.IsBackground = true;
162 worker.IsBackground = true;
150 worker.Start();
163 worker.Start();
151 }
164 }
152 } else {
153 // if there is no sleeping threads in the pool
154 if (!StartWorker())
155 // we haven't started a new thread, but the current can be on the way and it can't process the queue
156 // send it a signal to spin again
157 SignalThread();
158 }
159 }
165 }
160
166
161 private bool Suspend() {
167 private bool Suspend() {
@@ -177,12 +183,9 namespace Implab.Parallels {
177 // in case at the moment the last thread was being released
183 // in case at the moment the last thread was being released
178 // a new task was added to the queue, we need to try
184 // a new task was added to the queue, we need to try
179 // to revoke the thread to avoid the situation when the task is left unprocessed
185 // to revoke the thread to avoid the situation when the task is left unprocessed
180 if (last && Sleep(0)) { // Sleep(0) will fetch pending task or will return false
186 if (last && FetchSignalOrWait(0)) { // FetchSignalOrWait(0) will fetch pending task or will return false
181 if (AllocateThreadSlot(1))
187 SignalThread(); // since FetchSignalOrWait(0) has fetched the signal we need to reschedule it
182 return true; // spin again...
188 return AllocateThreadSlot(1); // ensure that at least one thread is alive
183 else
184 SignalThread(); // since Sleep(0) has fetched the signal we neet to reschedule it
185
186 }
189 }
187
190
188 return false;
191 return false;
@@ -11,7 +11,7 namespace Implab {
11 public delegate T ErrorHandler<out T>(Exception e);
11 public delegate T ErrorHandler<out T>(Exception e);
12 public delegate void ResultHandler<in T>(T result);
12 public delegate void ResultHandler<in T>(T result);
13 public delegate TNew ResultMapper<in TSrc, out TNew>(TSrc result);
13 public delegate TNew ResultMapper<in TSrc, out TNew>(TSrc result);
14 public delegate Promise<TNew> ChainedOperation<in TSrc,TNew>(TSrc result);
14 public delegate IPromise<TNew> ChainedOperation<in TSrc,TNew>(TSrc result);
15
15
16 /// <summary>
16 /// <summary>
17 /// Класс для асинхронного получения результатов. Так называемое "обещание".
17 /// Класс для асинхронного получения результатов. Так называемое "обещание".
@@ -610,7 +610,7 namespace Implab {
610 /// <param name="promises">Список обещаний. Если список пустой, то результирующее обещание возвращается уже выполненным.</param>
610 /// <param name="promises">Список обещаний. Если список пустой, то результирующее обещание возвращается уже выполненным.</param>
611 /// <returns>Обещание объединяющее в себе результат переданных обещаний.</returns>
611 /// <returns>Обещание объединяющее в себе результат переданных обещаний.</returns>
612 /// <exception cref="ArgumentNullException"><paramref name="promises"/> не может быть null</exception>
612 /// <exception cref="ArgumentNullException"><paramref name="promises"/> не может быть null</exception>
613 public static Promise<T[]> CreateComposite(IList<Promise<T>> promises) {
613 public static IPromise<T[]> CreateComposite(IList<IPromise<T>> promises) {
614 if (promises == null)
614 if (promises == null)
615 throw new ArgumentNullException();
615 throw new ArgumentNullException();
616
616
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