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Update Persistence Snapshot documentation (#22419)

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* Update Persistence Snapshot documentation (#22233)

* Use copy of ExampleState as it is mutable
This commit is contained in:
Richard Imaoka 2017-03-14 21:30:32 +09:00 • committed by Patrik Nordwall
parent e77c3c3e8a
commit ea9617aa25
4 changed files with 31 additions and 16 deletions
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12
akka-docs/rst/java/code/docs/persistence/LambdaPersistenceDocTest.java
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@ -234,13 +234,14 @@ public class LambdaPersistenceDocTest {
static Object o4 = new Object() {
class MyPersistentActor extends AbstractPersistentActor {
private void updateState(String evt){}
//#save-snapshot
private Object state;
private int snapShotInterval = 1000;
@Override public Receive createReceive() {
return receiveBuilder().
match(String.class, s -> s.equals("snap"),
s -> saveSnapshot(state)).
match(SaveSnapshotSuccess.class, ss -> {
SnapshotMetadata metadata = ss.metadata();
// ...
@ -248,6 +249,13 @@ public class LambdaPersistenceDocTest {
match(SaveSnapshotFailure.class, sf -> {
SnapshotMetadata metadata = sf.metadata();
// ...
}).
match(String.class, cmd -> {
persist( "evt-" + cmd, e -> {
updateState(e);
if (lastSequenceNr() % snapShotInterval == 0 && lastSequenceNr() != 0)
saveSnapshot(state);
});
}).build();
}
//#save-snapshot