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Add recover example to akka-docs (#25468) (#28004)

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* Add recover example to akka-docs (#25468)

* Apply scalafmtAll (#25468)
This commit is contained in:
Lim Chee Hau 2019-11-26 10:55:26 +01:00 • committed by Arnout Engelen
parent f3eb1772ea
commit 2ee63f5386
4 changed files with 46 additions and 14 deletions
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16
akka-docs/src/test/java/jdocs/stream/FlowErrorDocTest.java
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@ -142,10 +142,15 @@ public class FlowErrorDocTest extends AbstractJavaTest {
Source.from(Arrays.asList(0, 1, 2, 3, 4, 5, 6))
.map(
n -> {
if (n < 5) return n.toString();
else throw new RuntimeException("Boom!");
// assuming `4` and `5` are unexpected values that could throw exception
if (Arrays.asList(4, 5).contains(n))
throw new RuntimeException(String.format("Boom! Bad value found: %s", n));
else return n.toString();
})
.recover(new PFBuilder().match(RuntimeException.class, ex -> "stream truncated").build())
.recover(
new PFBuilder<Throwable, String>()
.match(RuntimeException.class, Throwable::getMessage)
.build())
.runForeach(System.out::println, system);
// #recover
@ -155,9 +160,8 @@ public class FlowErrorDocTest extends AbstractJavaTest {
0
1
2
3
4
stream truncated
3 // last element before failure
Boom! Bad value found: 4 // first element on failure
//#recover-output
*/
}