7e86dac542
+ per plugin scoped adapters + could be swapped during runtime +per EventAdapter now has manifest and is configurable ai la serializers + json examples in docs + including "completely manual" example in case one wants to add metadata TO the persisted event + better error reporting when misconfigured bindings + manifest is handled by in memory plugin - did not check if it works with LevelDB plugin yet > TODO: json example uses Gson, as that's simplest to do, can we use +per allows 1:n adapters, multiple adapters can be bound to 1 class
32 lines
No EOL
727 B
Java
32 lines
No EOL
727 B
Java
/*
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* Copyright (C) 2015 Typesafe Inc. <http://www.typesafe.com>
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*/
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package docs.persistence;
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import akka.persistence.journal.EventAdapter;
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import akka.persistence.journal.EventSeq;
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public class PersistenceEventAdapterDocTest {
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@SuppressWarnings("unused")
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static
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//#identity-event-adapter
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class MyEventAdapter extends EventAdapter {
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@Override
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public String manifest(Object event) {
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return ""; // if no manifest needed, return ""
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}
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@Override
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public Object toJournal(Object event) {
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return event; // identity
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}
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@Override
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public EventSeq fromJournal(Object event, String manifest) {
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return EventSeq.single(event); // identity
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}
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}
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//#identity-event-adapter
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} |