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!per #3652 Custom snapshot and persistent message serialization

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- Protobuf serializer for Persistent message
- Configurable serializer for Persistent message's payload
- Configurable serializer for snapshots
This commit is contained in:
Martin Krasser 2013-10-09 13:11:53 +02:00
parent 6f89d346ec
commit 2a30399a29
35 changed files with 4049 additions and 390 deletions
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159
akka-docs/rst/java/code/docs/persistence/PersistencePluginDocTest.java
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@ -1,3 +1,7 @@
/**
* Copyright (C) 2009-2013 Typesafe Inc. <http://www.typesafe.com>
*/
package docs.persistence;
//#plugin-imports
@ -10,132 +14,45 @@ import akka.persistence.snapshot.japi.*;
//#plugin-imports
public class PersistencePluginDocTest {
static Object o1 = new Object() {
abstract class MySnapshotStore extends SnapshotStore {
//#snapshot-store-plugin-api
/**
* Plugin Java API.
*
* Asynchronously loads a snapshot.
*
* @param processorId processor id.
* @param criteria selection criteria for loading.
*/
public abstract Future<Option<SelectedSnapshot>> doLoadAsync(String processorId, SnapshotSelectionCriteria criteria);
/**
* Plugin Java API.
*
* Asynchronously saves a snapshot.
*
* @param metadata snapshot metadata.
* @param snapshot snapshot.
*/
public abstract Future<Void> doSaveAsync(SnapshotMetadata metadata, Object snapshot);
/**
* Plugin Java API.
*
* Called after successful saving of a snapshot.
*
* @param metadata snapshot metadata.
*/
public abstract void onSaved(SnapshotMetadata metadata) throws Exception;
/**
* Plugin Java API.
*
* Deletes the snapshot identified by `metadata`.
*
* @param metadata snapshot metadata.
*/
public abstract void doDelete(SnapshotMetadata metadata) throws Exception;
//#snapshot-store-plugin-api
class MySnapshotStore extends SnapshotStore {
@Override
public Future<Option<SelectedSnapshot>> doLoadAsync(String processorId, SnapshotSelectionCriteria criteria) {
return null;
}
abstract class MySyncWriteJournal extends SyncWriteJournal {
//#sync-write-plugin-api
/**
* Plugin Java API.
*
* Synchronously writes a `persistent` message to the journal.
*/
@Override
public abstract void doWrite(PersistentImpl persistent) throws Exception;
/**
* Plugin Java API.
*
* Synchronously marks a `persistent` message as deleted.
*/
@Override
public abstract void doDelete(PersistentImpl persistent) throws Exception;
/**
* Plugin Java API.
*
* Synchronously writes a delivery confirmation to the journal.
*/
@Override
public abstract void doConfirm(String processorId, long sequenceNr, String channelId) throws Exception;
//#sync-write-plugin-api
@Override
public Future<Void> doSaveAsync(SnapshotMetadata metadata, Object snapshot) {
return null;
}
abstract class MyAsyncWriteJournal extends AsyncWriteJournal {
//#async-write-plugin-api
/**
* Plugin Java API.
*
* Asynchronously writes a `persistent` message to the journal.
*/
@Override
public abstract Future<Void> doWriteAsync(PersistentImpl persistent);
/**
* Plugin Java API.
*
* Asynchronously marks a `persistent` message as deleted.
*/
@Override
public abstract Future<Void> doDeleteAsync(PersistentImpl persistent);
/**
* Plugin Java API.
*
* Asynchronously writes a delivery confirmation to the journal.
*/
@Override
public abstract Future<Void> doConfirmAsync(String processorId, long sequenceNr, String channelId);
//#async-write-plugin-api
@Override
public void onSaved(SnapshotMetadata metadata) throws Exception {
}
abstract class MyAsyncReplay extends AsyncReplay {
//#async-replay-plugin-api
/**
* Plugin Java API.
*
* Asynchronously replays persistent messages. Implementations replay a message
* by calling `replayCallback`. The returned future must be completed when all
* messages (matching the sequence number bounds) have been replayed. The future
* `Long` value must be the highest stored sequence number in the journal for the
* specified processor. The future must be completed with a failure if any of
* the persistent messages could not be replayed.
*
* The `replayCallback` must also be called with messages that have been marked
* as deleted. In this case a replayed message's `deleted` field must be set to
* `true`.
*
* The channel ids of delivery confirmations that are available for a replayed
* message must be contained in that message's `confirms` sequence.
*
* @param processorId processor id.
* @param fromSequenceNr sequence number where replay should start.
* @param toSequenceNr sequence number where replay should end (inclusive).
* @param replayCallback called to replay a single message.
*/
@Override
public abstract Future<Long> doReplayAsync(String processorId, long fromSequenceNr, long toSequenceNr, Procedure<PersistentImpl> replayCallback);
//#async-replay-plugin-api
@Override
public void doDelete(SnapshotMetadata metadata) throws Exception {
}
};
}
class MyAsyncJournal extends AsyncWriteJournal {
@Override
public Future<Long> doReplayAsync(String processorId, long fromSequenceNr, long toSequenceNr, Procedure<PersistentImpl> replayCallback) {
return null;
}
@Override
public Future<Void> doWriteAsync(PersistentImpl persistent) {
return null;
}
@Override
public Future<Void> doDeleteAsync(PersistentImpl persistent) {
return null;
}
@Override
public Future<Void> doConfirmAsync(String processorId, long sequenceNr, String channelId) {
return null;
}
}
}