X-Git-Url: https://git.opendaylight.org/gerrit/gitweb?a=blobdiff_plain;f=opendaylight%2Fmd-sal%2Fsal-distributed-datastore%2Fsrc%2Fmain%2Fjava%2Forg%2Fopendaylight%2Fcontroller%2Fcluster%2Fdatastore%2FAbstractFrontendHistory.java;h=c1d2db309410dd831a31b3ec4845f02534749c9b;hb=27b168d3ca3807123b4877f1ad0662b2610f393d;hp=f6dee7ce7b32705a333fbf7f5cc23f5eb410a5ef;hpb=5e7cf2452ef634dc934a3ea5a2dd95059fbab68c;p=controller.git

diff --git a/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/AbstractFrontendHistory.java b/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/AbstractFrontendHistory.java
index f6dee7ce7b..c1d2db3094 100644
--- a/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/AbstractFrontendHistory.java
+++ b/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/AbstractFrontendHistory.java
@@ -21,6 +21,7 @@ import org.opendaylight.controller.cluster.access.commands.AbstractReadTransacti
 import org.opendaylight.controller.cluster.access.commands.ClosedTransactionException;
 import org.opendaylight.controller.cluster.access.commands.CommitLocalTransactionRequest;
 import org.opendaylight.controller.cluster.access.commands.DeadTransactionException;
+import org.opendaylight.controller.cluster.access.commands.IncrementTransactionSequenceRequest;
 import org.opendaylight.controller.cluster.access.commands.LocalHistorySuccess;
 import org.opendaylight.controller.cluster.access.commands.OutOfOrderRequestException;
 import org.opendaylight.controller.cluster.access.commands.TransactionPurgeRequest;
@@ -44,7 +45,6 @@ import org.slf4j.LoggerFactory;
  */
 abstract class AbstractFrontendHistory implements Identifiable<LocalHistoryIdentifier> {
     private static final Logger LOG = LoggerFactory.getLogger(AbstractFrontendHistory.class);
-    private static final OutOfOrderRequestException UNSEQUENCED_START = new OutOfOrderRequestException(0);
 
     private final Map<TransactionIdentifier, FrontendTransaction> transactions = new HashMap<>();
     private final RangeSet<UnsignedLong> purgedTransactions;
@@ -70,7 +70,7 @@ abstract class AbstractFrontendHistory implements Identifiable<LocalHistoryIdent
     }
 
     final long readTime() {
-        return tree.ticker().read();
+        return tree.readTime();
     }
 
     final @Nullable TransactionSuccess<?> handleTransactionRequest(final TransactionRequest<?> request,
@@ -94,7 +94,7 @@ abstract class AbstractFrontendHistory implements Identifiable<LocalHistoryIdent
                         closedTransactions = ImmutableMap.of();
                     }
 
-                    purgedTransactions.add(Range.singleton(ul));
+                    purgedTransactions.add(Range.closedOpen(ul, UnsignedLong.ONE.plus(ul)));
                     LOG.debug("{}: finished purging inherited transaction {}", persistenceId(), id);
                     envelope.sendSuccess(new TransactionPurgeResponse(id, request.getSequence()), readTime() - now);
                 });
@@ -107,12 +107,12 @@ abstract class AbstractFrontendHistory implements Identifiable<LocalHistoryIdent
                 // purged transactions in one go. If it does, we warn about the situation and
                 LOG.warn("{}: transaction {} not tracked in {}, but not present in active transactions", persistenceId,
                     id, purgedTransactions);
-                purgedTransactions.add(Range.singleton(ul));
+                purgedTransactions.add(Range.closedOpen(ul, UnsignedLong.ONE.plus(ul)));
                 return new TransactionPurgeResponse(id, request.getSequence());
             }
 
             tree.purgeTransaction(id, () -> {
-                purgedTransactions.add(Range.singleton(ul));
+                purgedTransactions.add(Range.closedOpen(ul, UnsignedLong.ONE.plus(ul)));
                 transactions.remove(id);
                 LOG.debug("{}: finished purging transaction {}", persistenceId(), id);
                 envelope.sendSuccess(new TransactionPurgeResponse(id, request.getSequence()), readTime() - now);
@@ -136,13 +136,13 @@ abstract class AbstractFrontendHistory implements Identifiable<LocalHistoryIdent
         if (tx == null) {
             // The transaction does not exist and we are about to create it, check sequence number
             if (request.getSequence() != 0) {
-                LOG.debug("{}: no transaction state present, unexpected request {}", persistenceId(), request);
-                throw UNSEQUENCED_START;
+                LOG.warn("{}: no transaction state present, unexpected request {}", persistenceId(), request);
+                throw new OutOfOrderRequestException(0);
             }
 
             tx = createTransaction(request, id);
             transactions.put(id, tx);
-        } else {
+        } else if (!(request instanceof IncrementTransactionSequenceRequest)) {
             final Optional<TransactionSuccess<?>> maybeReplay = tx.replaySequence(request.getSequence());
             if (maybeReplay.isPresent()) {
                 final TransactionSuccess<?> replay = maybeReplay.get();
@@ -154,32 +154,40 @@ abstract class AbstractFrontendHistory implements Identifiable<LocalHistoryIdent
         return tx.handleRequest(request, envelope, now);
     }
 
-    void destroy(final long sequence, final RequestEnvelope envelope, final long now) {
+    final void destroy(final long sequence, final RequestEnvelope envelope, final long now) {
         LOG.debug("{}: closing history {}", persistenceId(), getIdentifier());
         tree.closeTransactionChain(getIdentifier(),
             () -> envelope.sendSuccess(new LocalHistorySuccess(getIdentifier(), sequence), readTime() - now));
     }
 
-    void purge(final long sequence, final RequestEnvelope envelope, final long now) {
+    final void purge(final long sequence, final RequestEnvelope envelope, final long now) {
         LOG.debug("{}: purging history {}", persistenceId(), getIdentifier());
         tree.purgeTransactionChain(getIdentifier(),
             () -> envelope.sendSuccess(new LocalHistorySuccess(getIdentifier(), sequence), readTime() - now));
     }
 
+    final void retire() {
+        transactions.values().forEach(FrontendTransaction::retire);
+        tree.removeTransactionChain(getIdentifier());
+    }
+
     private FrontendTransaction createTransaction(final TransactionRequest<?> request, final TransactionIdentifier id)
             throws RequestException {
         if (request instanceof CommitLocalTransactionRequest) {
             LOG.debug("{}: allocating new ready transaction {}", persistenceId(), id);
+            tree.getStats().incrementReadWriteTransactionCount();
             return createReadyTransaction(id, ((CommitLocalTransactionRequest) request).getModification());
         }
         if (request instanceof AbstractReadTransactionRequest) {
             if (((AbstractReadTransactionRequest<?>) request).isSnapshotOnly()) {
-                LOG.debug("{}: allocatint new open snapshot {}", persistenceId(), id);
+                LOG.debug("{}: allocating new open snapshot {}", persistenceId(), id);
+                tree.getStats().incrementReadOnlyTransactionCount();
                 return createOpenSnapshot(id);
             }
         }
 
         LOG.debug("{}: allocating new open transaction {}", persistenceId(), id);
+        tree.getStats().incrementReadWriteTransactionCount();
         return createOpenTransaction(id);
     }