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System wide materializer (#27491)

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Introduces a materializer started through an extension and then an implicit
conversion for Scala turning an implicitly available ActorSystem into a
materializer. The Java APIs has been ammended with run-methods accepting
an ActorSystem.
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Johan Andrén 2019-08-23 18:19:27 +02:00 • committed by GitHub
parent 77d1d33dbc
commit 45c826a218
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196 changed files with 1148 additions and 1129 deletions
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19
akka-docs/src/test/java/jdocs/persistence/PersistenceQueryDocTest.java
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@ -33,7 +33,6 @@ import java.util.concurrent.TimeUnit;
public class PersistenceQueryDocTest {
final ActorSystem system = ActorSystem.create();
final ActorMaterializer mat = ActorMaterializer.create(system);
public
// #advanced-journal-query-types
@ -217,8 +216,7 @@ public class PersistenceQueryDocTest {
readJournal.eventsByPersistenceId("user-1337", 0, Long.MAX_VALUE);
// materialize stream, consuming events
ActorMaterializer mat = ActorMaterializer.create(system);
source.runForeach(event -> System.out.println("Event: " + event), mat);
source.runForeach(event -> System.out.println("Event: " + event), system);
// #basic-usage
}
@ -261,7 +259,6 @@ public class PersistenceQueryDocTest {
void demonstrateEventsByTag() {
final ActorSystem system = ActorSystem.create();
final ActorMaterializer mat = ActorMaterializer.create(system);
final MyJavadslReadJournal readJournal =
PersistenceQuery.get(system)
@ -284,7 +281,7 @@ public class PersistenceQueryDocTest {
acc.add(e);
return acc;
},
mat);
system);
// start another query, from the known offset
Source<EventEnvelope, NotUsed> blue = readJournal.eventsByTag("blue", new Sequence(10));
@ -293,7 +290,6 @@ public class PersistenceQueryDocTest {
void demonstrateMaterializedQueryValues() {
final ActorSystem system = ActorSystem.create();
final ActorMaterializer mat = ActorMaterializer.create(system);
final MyJavadslReadJournal readJournal =
PersistenceQuery.get(system)
@ -326,7 +322,7 @@ public class PersistenceQueryDocTest {
System.out.println("Event payload: " + event.payload);
return event.payload;
})
.runWith(Sink.ignore(), mat);
.runWith(Sink.ignore(), system);
// #advanced-journal-query-usage
}
@ -339,7 +335,6 @@ public class PersistenceQueryDocTest {
void demonstrateWritingIntoDifferentStore() {
final ActorSystem system = ActorSystem.create();
final ActorMaterializer mat = ActorMaterializer.create(system);
final MyJavadslReadJournal readJournal =
PersistenceQuery.get(system)
@ -355,7 +350,7 @@ public class PersistenceQueryDocTest {
.eventsByPersistenceId("user-1337", 0L, Long.MAX_VALUE)
.map(envelope -> envelope.event())
.grouped(20) // batch inserts into groups of 20
.runWith(Sink.fromSubscriber(dbBatchWriter), mat); // write batches to read-side database
.runWith(Sink.fromSubscriber(dbBatchWriter), system); // write batches to read-side database
// #projection-into-different-store-rs
}
@ -372,7 +367,6 @@ public class PersistenceQueryDocTest {
void demonstrateWritingIntoDifferentStoreWithMapAsync() {
final ActorSystem system = ActorSystem.create();
final ActorMaterializer mat = ActorMaterializer.create(system);
final MyJavadslReadJournal readJournal =
PersistenceQuery.get(system)
@ -385,7 +379,7 @@ public class PersistenceQueryDocTest {
readJournal
.eventsByTag("bid", new Sequence(0L))
.mapAsync(1, store::save)
.runWith(Sink.ignore(), mat);
.runWith(Sink.ignore(), system);
// #projection-into-different-store-simple
}
@ -415,7 +409,6 @@ public class PersistenceQueryDocTest {
void demonstrateWritingIntoDifferentStoreWithResumableProjections() throws Exception {
final ActorSystem system = ActorSystem.create();
final ActorMaterializer mat = ActorMaterializer.create(system);
final MyJavadslReadJournal readJournal =
PersistenceQuery.get(system)
@ -442,7 +435,7 @@ public class PersistenceQueryDocTest {
return f.thenApplyAsync(in -> envelope.offset(), system.dispatcher());
})
.mapAsync(1, offset -> bidProjection.saveProgress(offset))
.runWith(Sink.ignore(), mat);
.runWith(Sink.ignore(), system);
}
// #projection-into-different-store-actor-run