package org.opendaylight.controller.cluster.raft.utils;
import akka.dispatch.Futures;
-import akka.japi.Option;
import akka.persistence.SelectedSnapshot;
import akka.persistence.SnapshotMetadata;
import akka.persistence.SnapshotSelectionCriteria;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
+import java.util.Optional;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.TimeUnit;
}
@Override
- public Future<Option<SelectedSnapshot>> doLoadAsync(String persistenceId,
+ public Future<Optional<SelectedSnapshot>> doLoadAsync(String persistenceId,
SnapshotSelectionCriteria snapshotSelectionCriteria) {
List<StoredSnapshot> snapshotList = snapshots.get(persistenceId);
if(snapshotList == null){
- return Futures.successful(Option.<SelectedSnapshot>none());
+ return Futures.successful(Optional.<SelectedSnapshot>empty());
}
synchronized(snapshotList) {
for(int i = snapshotList.size() - 1; i >= 0; i--) {
StoredSnapshot snapshot = snapshotList.get(i);
if(matches(snapshot, snapshotSelectionCriteria)) {
- return Futures.successful(Option.some(new SelectedSnapshot(snapshot.metadata,
+ return Futures.successful(Optional.of(new SelectedSnapshot(snapshot.metadata,
snapshot.data)));
}
}
}
- return Futures.successful(Option.<SelectedSnapshot>none());
+ return Futures.successful(Optional.<SelectedSnapshot>empty());
}
private static boolean matches(StoredSnapshot snapshot, SnapshotSelectionCriteria criteria) {
}
@Override
- public void onSaved(SnapshotMetadata snapshotMetadata) throws Exception {
- }
+ public Future<Void> doDeleteAsync(SnapshotMetadata metadata) {
+ List<StoredSnapshot> snapshotList = snapshots.get(metadata.persistenceId());
- @Override
- public void doDelete(SnapshotMetadata snapshotMetadata) throws Exception {
- List<StoredSnapshot> snapshotList = snapshots.get(snapshotMetadata.persistenceId());
-
- if(snapshotList == null){
- return;
- }
-
- synchronized (snapshotList) {
- for(int i=0;i<snapshotList.size(); i++){
- StoredSnapshot snapshot = snapshotList.get(i);
- if(snapshotMetadata.equals(snapshot.metadata)){
- snapshotList.remove(i);
- break;
+ if (snapshotList != null) {
+ synchronized (snapshotList) {
+ for(int i=0;i<snapshotList.size(); i++){
+ StoredSnapshot snapshot = snapshotList.get(i);
+ if(metadata.equals(snapshot.metadata)){
+ snapshotList.remove(i);
+ break;
+ }
}
}
}
+
+ return Futures.successful(null);
}
@Override
- public void doDelete(String persistentId, SnapshotSelectionCriteria snapshotSelectionCriteria)
- throws Exception {
- LOG.trace("doDelete: persistentId {}: maxSequenceNr: {}: maxTimestamp {}", persistentId,
- snapshotSelectionCriteria.maxSequenceNr(), snapshotSelectionCriteria.maxTimestamp());
+ public Future<Void> doDeleteAsync(String persistenceId, SnapshotSelectionCriteria criteria) {
+ LOG.trace("doDelete: persistentId {}: maxSequenceNr: {}: maxTimestamp {}", persistenceId,
+ criteria.maxSequenceNr(), criteria.maxTimestamp());
- List<StoredSnapshot> snapshotList = snapshots.get(persistentId);
+ List<StoredSnapshot> snapshotList = snapshots.get(persistenceId);
if(snapshotList != null){
synchronized (snapshotList) {
Iterator<StoredSnapshot> iter = snapshotList.iterator();
while(iter.hasNext()) {
StoredSnapshot s = iter.next();
- if(matches(s, snapshotSelectionCriteria)) {
+ if(matches(s, criteria)) {
LOG.trace("Deleting snapshot for sequenceNr: {}, timestamp: {}: {}",
s.metadata.sequenceNr(), s.metadata.timestamp(), s.data);
}
}
- CountDownLatch latch = snapshotDeletedLatches.get(persistentId);
+ CountDownLatch latch = snapshotDeletedLatches.get(persistenceId);
if(latch != null) {
latch.countDown();
}
+
+ return Futures.successful(null);
}
private static class StoredSnapshot {