BUG-8618: add pause/unpause mechanics for tell-based protocol

[controller.git] / opendaylight / md-sal / sal-distributed-datastore / src / main / java / org / opendaylight / controller / cluster / datastore / LeaderFrontendState.java

diff --git a/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/LeaderFrontendState.java b/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/LeaderFrontendState.java
index ba2bdb3c7bfc87ba0dcc479ec754d7ff8dd7a751..5a5e42637e6a5a4908a23dd85df8abd88589967b 100644 (file)
--- a/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/LeaderFrontendState.java
+++ b/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/LeaderFrontendState.java
@@ -10,6 +10,7 @@ package org.opendaylight.controller.cluster.datastore;
 import com.google.common.base.MoreObjects;
 import com.google.common.base.Preconditions;
 import java.util.HashMap;
+import java.util.Iterator;
 import java.util.Map;
 import javax.annotation.Nullable;
 import javax.annotation.concurrent.NotThreadSafe;
@@ -28,6 +29,7 @@ import org.opendaylight.controller.cluster.access.concepts.LocalHistoryIdentifie
 import org.opendaylight.controller.cluster.access.concepts.RequestEnvelope;
 import org.opendaylight.controller.cluster.access.concepts.RequestException;
 import org.opendaylight.controller.cluster.access.concepts.UnsupportedRequestException;
+import org.opendaylight.controller.cluster.datastore.ShardDataTreeCohort.State;
 import org.opendaylight.controller.cluster.datastore.utils.UnsignedLongRangeSet;
 import org.opendaylight.yangtools.concepts.Identifiable;
 import org.slf4j.Logger;
@@ -215,7 +217,25 @@ final class LeaderFrontendState implements Identifiable<ClientIdentifier> {
     }
 
     void retire() {
-        // FIXME: flush all state
+        // Hunt down any transactions associated with this frontend
+        final Iterator<SimpleShardDataTreeCohort> it = tree.cohortIterator();
+        while (it.hasNext()) {
+            final SimpleShardDataTreeCohort cohort = it.next();
+            if (clientId.equals(cohort.getIdentifier().getHistoryId().getClientId())) {
+                if (cohort.getState() != State.COMMIT_PENDING) {
+                    LOG.debug("{}: Retiring transaction {}", persistenceId, cohort.getIdentifier());
+                    it.remove();
+                } else {
+                    LOG.debug("{}: Transaction {} already committing, not retiring it", persistenceId,
+                        cohort.getIdentifier());
+                }
+            }
+        }
+
+        // Clear out all transaction chains
+        localHistories.values().forEach(AbstractFrontendHistory::retire);
+        localHistories.clear();
+        standaloneHistory.retire();
     }
 
     @Override