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This commit is contained in:
Endre Sándor Varga 2016-08-11 12:21:37 +02:00
parent caa98c0110
commit bc358f3188
8 changed files with 1562 additions and 27 deletions
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66
akka-docs/rst/java/code/docs/stream/KillSwitchDocTest.java
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@ -46,13 +46,14 @@ class KillSwitchDocTest extends AbstractJavaTest {
public void uniqueKillSwitchShutdownExample() throws Exception {
//#unique-shutdown
final Source<Integer, NotUsed> countingSrc = Source.from(new ArrayList<>(Arrays.asList(1, 2, 3, 4)))
.delay(FiniteDuration.apply(1, TimeUnit.SECONDS), DelayOverflowStrategy.backpressure());
final Source<Integer, NotUsed> countingSrc =
Source.from(new ArrayList<>(Arrays.asList(1, 2, 3, 4)))
.delay(FiniteDuration.apply(1, TimeUnit.SECONDS), DelayOverflowStrategy.backpressure());
final Sink<Integer, CompletionStage<Integer>> lastSnk = Sink.last();
final Pair<UniqueKillSwitch, CompletionStage<Integer>> stream = countingSrc
.viaMat(KillSwitches.single(), Keep.right())
.toMat(lastSnk, Keep.both()).run(mat);
.viaMat(KillSwitches.single(), Keep.right())
.toMat(lastSnk, Keep.both()).run(mat);
final UniqueKillSwitch killSwitch = stream.first();
final CompletionStage<Integer> completionStage = stream.second();
@ -60,20 +61,22 @@ class KillSwitchDocTest extends AbstractJavaTest {
doSomethingElse();
killSwitch.shutdown();
final int finalCount = completionStage.toCompletableFuture().get(1, TimeUnit.SECONDS);
final int finalCount =
completionStage.toCompletableFuture().get(1, TimeUnit.SECONDS);
assertEquals(2, finalCount);
//#unique-shutdown
}
public static void uniqueKillSwitchAbortExample() throws Exception {
//#unique-abort
final Source<Integer, NotUsed> countingSrc = Source.from(new ArrayList<>(Arrays.asList(1, 2, 3, 4)))
.delay(FiniteDuration.apply(1, TimeUnit.SECONDS), DelayOverflowStrategy.backpressure());
final Source<Integer, NotUsed> countingSrc =
Source.from(new ArrayList<>(Arrays.asList(1, 2, 3, 4)))
.delay(FiniteDuration.apply(1, TimeUnit.SECONDS), DelayOverflowStrategy.backpressure());
final Sink<Integer, CompletionStage<Integer>> lastSnk = Sink.last();
final Pair<UniqueKillSwitch, CompletionStage<Integer>> stream = countingSrc
.viaMat(KillSwitches.single(), Keep.right())
.toMat(lastSnk, Keep.both()).run(mat);
.viaMat(KillSwitches.single(), Keep.right())
.toMat(lastSnk, Keep.both()).run(mat);
final UniqueKillSwitch killSwitch = stream.first();
final CompletionStage<Integer> completionStage = stream.second();
@ -81,31 +84,36 @@ class KillSwitchDocTest extends AbstractJavaTest {
final Exception error = new Exception("boom!");
killSwitch.abort(error);
final int result = completionStage.toCompletableFuture().exceptionally(e -> -1).get(1, TimeUnit.SECONDS);
final int result =
completionStage.toCompletableFuture().exceptionally(e -> -1).get(1, TimeUnit.SECONDS);
assertEquals(-1, result);
//#unique-abort
}
public void sharedKillSwitchShutdownExample() throws Exception {
//#shared-shutdown
final Source<Integer, NotUsed> countingSrc = Source.from(new ArrayList<>(Arrays.asList(1, 2, 3, 4)))
.delay(FiniteDuration.apply(1, TimeUnit.SECONDS), DelayOverflowStrategy.backpressure());
final Source<Integer, NotUsed> countingSrc =
Source.from(new ArrayList<>(Arrays.asList(1, 2, 3, 4)))
.delay(FiniteDuration.apply(1, TimeUnit.SECONDS), DelayOverflowStrategy.backpressure());
final Sink<Integer, CompletionStage<Integer>> lastSnk = Sink.last();
final SharedKillSwitch killSwitch = KillSwitches.shared("my-kill-switch");
final CompletionStage<Integer> completionStage = countingSrc
.viaMat(killSwitch.flow(), Keep.right())
.toMat(lastSnk, Keep.right()).run(mat);
.viaMat(killSwitch.flow(), Keep.right())
.toMat(lastSnk, Keep.right()).run(mat);
final CompletionStage<Integer> completionStageDelayed = countingSrc
.delay(FiniteDuration.apply(1, TimeUnit.SECONDS), DelayOverflowStrategy.backpressure())
.viaMat(killSwitch.flow(), Keep.right())
.toMat(lastSnk, Keep.right()).run(mat);
.delay(FiniteDuration.apply(1, TimeUnit.SECONDS), DelayOverflowStrategy.backpressure())
.viaMat(killSwitch.flow(), Keep.right())
.toMat(lastSnk, Keep.right()).run(mat);
doSomethingElse();
killSwitch.shutdown();
final int finalCount = completionStage.toCompletableFuture().get(1, TimeUnit.SECONDS);
final int finalCountDelayed = completionStageDelayed.toCompletableFuture().get(1, TimeUnit.SECONDS);
final int finalCount =
completionStage.toCompletableFuture().get(1, TimeUnit.SECONDS);
final int finalCountDelayed =
completionStageDelayed.toCompletableFuture().get(1, TimeUnit.SECONDS);
assertEquals(2, finalCount);
assertEquals(1, finalCountDelayed);
//#shared-shutdown
@ -113,23 +121,27 @@ class KillSwitchDocTest extends AbstractJavaTest {
public static void sharedKillSwitchAbortExample() throws Exception {
//#shared-abort
final Source<Integer, NotUsed> countingSrc = Source.from(new ArrayList<>(Arrays.asList(1, 2, 3, 4)))
.delay(FiniteDuration.apply(1, TimeUnit.SECONDS), DelayOverflowStrategy.backpressure());
final Source<Integer, NotUsed> countingSrc =
Source.from(new ArrayList<>(Arrays.asList(1, 2, 3, 4)))
.delay(FiniteDuration.apply(1, TimeUnit.SECONDS), DelayOverflowStrategy.backpressure());
final Sink<Integer, CompletionStage<Integer>> lastSnk = Sink.last();
final SharedKillSwitch killSwitch = KillSwitches.shared("my-kill-switch");
final CompletionStage<Integer> completionStage1 = countingSrc
.viaMat(killSwitch.flow(), Keep.right())
.toMat(lastSnk, Keep.right()).run(mat);
.viaMat(killSwitch.flow(), Keep.right())
.toMat(lastSnk, Keep.right()).run(mat);
final CompletionStage<Integer> completionStage2 = countingSrc
.viaMat(killSwitch.flow(), Keep.right())
.toMat(lastSnk, Keep.right()).run(mat);
.viaMat(killSwitch.flow(), Keep.right())
.toMat(lastSnk, Keep.right()).run(mat);
final Exception error = new Exception("boom!");
killSwitch.abort(error);
final int result1 = completionStage1.toCompletableFuture().exceptionally(e -> -1).get(1, TimeUnit.SECONDS);
final int result2 = completionStage2.toCompletableFuture().exceptionally(e -> -1).get(1, TimeUnit.SECONDS);
final int result1 =
completionStage1.toCompletableFuture().exceptionally(e -> -1).get(1, TimeUnit.SECONDS);
final int result2 =
completionStage2.toCompletableFuture().exceptionally(e -> -1).get(1, TimeUnit.SECONDS);
assertEquals(-1, result1);
assertEquals(-1, result2);
//#shared-abort