BUG-4964: Bump to akka-2.4.1
[controller.git] / opendaylight / md-sal / sal-akka-raft / src / test / java / org / opendaylight / controller / cluster / raft / utils / InMemorySnapshotStore.java
index 130c707e3a1f06d6b2c51b112eb4ba316e69d0ae..a7e751c23e4de0abd8ab2b1b337c6261401e65b9 100644 (file)
@@ -9,7 +9,6 @@
 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;
@@ -21,6 +20,7 @@ import java.util.Collections;
 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;
@@ -39,6 +39,7 @@ public class InMemorySnapshotStore extends SnapshotStore {
 
     private static Map<String, List<StoredSnapshot>> snapshots = new ConcurrentHashMap<>();
     private static final Map<String, CountDownLatch> snapshotSavedLatches = new ConcurrentHashMap<>();
+    private static final Map<String, CountDownLatch> snapshotDeletedLatches = new ConcurrentHashMap<>();
 
     public static void addSnapshot(String persistentId, Object snapshot) {
         List<StoredSnapshot> snapshotList = snapshots.get(persistentId);
@@ -82,6 +83,10 @@ public class InMemorySnapshotStore extends SnapshotStore {
         snapshotSavedLatches.put(persistenceId, new CountDownLatch(1));
     }
 
+    public static void addSnapshotDeletedLatch(String persistenceId) {
+        snapshotDeletedLatches.put(persistenceId, new CountDownLatch(1));
+    }
+
     public static <T> T waitForSavedSnapshot(String persistenceId, Class<T> type) {
         if(!Uninterruptibles.awaitUninterruptibly(snapshotSavedLatches.get(persistenceId), 5, TimeUnit.SECONDS)) {
             throw new AssertionError("Snapshot was not saved");
@@ -90,28 +95,34 @@ public class InMemorySnapshotStore extends SnapshotStore {
         return getSnapshots(persistenceId, type).get(0);
     }
 
+    public static void waitForDeletedSnapshot(String persistenceId) {
+        if(!Uninterruptibles.awaitUninterruptibly(snapshotDeletedLatches.get(persistenceId), 5, TimeUnit.SECONDS)) {
+            throw new AssertionError("Snapshot was not deleted");
+        }
+    }
+
     @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 boolean matches(StoredSnapshot snapshot, SnapshotSelectionCriteria criteria) {
+    private static boolean matches(StoredSnapshot snapshot, SnapshotSelectionCriteria criteria) {
         return snapshot.metadata.sequenceNr() <= criteria.maxSequenceNr() &&
                 snapshot.metadata.timestamp() <= criteria.maxTimestamp();
     }
@@ -120,6 +131,9 @@ public class InMemorySnapshotStore extends SnapshotStore {
     public Future<Void> doSaveAsync(SnapshotMetadata snapshotMetadata, Object o) {
         List<StoredSnapshot> snapshotList = snapshots.get(snapshotMetadata.persistenceId());
 
+        LOG.trace("doSaveAsync: persistentId {}: sequenceNr: {}: timestamp {}: {}", snapshotMetadata.persistenceId(),
+                snapshotMetadata.sequenceNr(), snapshotMetadata.timestamp(), o);
+
         if(snapshotList == null){
             snapshotList = new ArrayList<>();
             snapshots.put(snapshotMetadata.persistenceId(), snapshotList);
@@ -137,51 +151,51 @@ public class InMemorySnapshotStore extends SnapshotStore {
     }
 
     @Override
-    public void onSaved(SnapshotMetadata snapshotMetadata) throws Exception {
-    }
-
-    @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;
+    public Future<Void> doDeleteAsync(SnapshotMetadata metadata) {
+        List<StoredSnapshot> snapshotList = snapshots.get(metadata.persistenceId());
+
+        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());
-
-        List<StoredSnapshot> snapshotList = snapshots.get(persistentId);
-        if(snapshotList == null){
-            return;
-        }
+    public Future<Void> doDeleteAsync(String persistenceId, SnapshotSelectionCriteria criteria) {
+        LOG.trace("doDelete: persistentId {}: maxSequenceNr: {}: maxTimestamp {}", persistenceId,
+            criteria.maxSequenceNr(), criteria.maxTimestamp());
 
-        synchronized (snapshotList) {
-            Iterator<StoredSnapshot> iter = snapshotList.iterator();
-            while(iter.hasNext()) {
-                StoredSnapshot s = iter.next();
-                if(matches(s, snapshotSelectionCriteria)) {
-                    LOG.trace("Deleting snapshot for sequenceNr: {}, timestamp: {}",
-                            s.metadata.sequenceNr(), s.metadata.timestamp());
-
-                    iter.remove();
+        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, criteria)) {
+                        LOG.trace("Deleting snapshot for sequenceNr: {}, timestamp: {}: {}",
+                                s.metadata.sequenceNr(), s.metadata.timestamp(), s.data);
+
+                        iter.remove();
+                    }
                 }
             }
         }
+
+        CountDownLatch latch = snapshotDeletedLatches.get(persistenceId);
+        if(latch != null) {
+            latch.countDown();
+        }
+
+        return Futures.successful(null);
     }
 
     private static class StoredSnapshot {